Linux ip-172-26-2-223 5.4.0-1018-aws #18-Ubuntu SMP Wed Jun 24 01:15:00 UTC 2020 x86_64
Apache
: 172.26.2.223 | : 3.144.143.110
Cant Read [ /etc/named.conf ]
8.1.13
www
www.github.com/MadExploits
Terminal
AUTO ROOT
Adminer
Backdoor Destroyer
Linux Exploit
Lock Shell
Lock File
Create User
CREATE RDP
PHP Mailer
BACKCONNECT
UNLOCK SHELL
HASH IDENTIFIER
CPANEL RESET
CREATE WP USER
BLACK DEFEND!
README
+ Create Folder
+ Create File
/
www /
server /
mysql /
mysql-test /
suite /
innodb /
r /
[ HOME SHELL ]
Name
Size
Permission
Action
add_foreign_key.result
1.28
KB
-rw-r--r--
alter_crash.result
4.43
KB
-rw-r--r--
alter_foreign_crash.result
751
B
-rw-r--r--
alter_kill.result
2.42
KB
-rw-r--r--
alter_missing_tablespace.resul...
1.46
KB
-rw-r--r--
alter_page_size.result
1.14
KB
-rw-r--r--
alter_rename_existing.result
5.32
KB
-rw-r--r--
alter_rename_files.result
557
B
-rw-r--r--
alter_row_format.result
1.59
KB
-rw-r--r--
alter_table_redundant.result
278
B
-rw-r--r--
alter_table_stage_progress.res...
942
B
-rw-r--r--
analyze_index.result
705
B
-rw-r--r--
analyze_table.result
538
B
-rw-r--r--
attachable_trx.result
2.48
KB
-rw-r--r--
autoinc_debug.result
2.53
KB
-rw-r--r--
blob-crash-16k.result
2.1
KB
-rw-r--r--
blob-crash-4k.result
2.1
KB
-rw-r--r--
blob-crash.result
4.59
KB
-rw-r--r--
blob-update-debug.result
489
B
-rw-r--r--
blob_page_reserve.result
3.81
KB
-rw-r--r--
blob_redo.result
1.05
KB
-rw-r--r--
buf_pool_resize_oom.result
493
B
-rw-r--r--
bulk_create_index_online.resul...
1.21
KB
-rw-r--r--
cascade_lock_wait.result
1.52
KB
-rw-r--r--
check_ibd_filesize_16k.result
1.58
KB
-rw-r--r--
check_sector_size.result
276
B
-rw-r--r--
checksum.result
331
B
-rw-r--r--
cmp_per_index.result
2.96
KB
-rw-r--r--
crc32_endianness.result
540
B
-rw-r--r--
create-index.result
283
B
-rw-r--r--
create_isl_with_direct.result
328
B
-rw-r--r--
create_table.result
1.97
KB
-rw-r--r--
create_tablespace.result
81.15
KB
-rw-r--r--
create_tablespace_16k.result
69.23
KB
-rw-r--r--
create_tablespace_32k.result
7.33
KB
-rw-r--r--
create_tablespace_4k.result
36.13
KB
-rw-r--r--
create_tablespace_64k.result
7.64
KB
-rw-r--r--
create_tablespace_8k.result
50.53
KB
-rw-r--r--
create_tablespace_debug.result
5.02
KB
-rw-r--r--
create_tablespace_notembedded....
692
B
-rw-r--r--
create_tablespace_partition.re...
33.17
KB
-rw-r--r--
create_tablespace_replication....
2.02
KB
-rw-r--r--
deadlock_detect.result
562
B
-rw-r--r--
default_row_format.result
17.56
KB
-rw-r--r--
default_row_format_16k.result
17.91
KB
-rw-r--r--
default_row_format_compatibili...
4.14
KB
-rw-r--r--
default_row_format_tablespace....
8.64
KB
-rw-r--r--
deprecate_part_in_shared_ts.re...
5.87
KB
-rw-r--r--
doublewrite.result
8.1
KB
-rw-r--r--
dropdb.result
222
B
-rw-r--r--
end_range_check.result
3.06
KB
-rw-r--r--
end_range_check_2.result
811
B
-rw-r--r--
events-merge-tmp-path.result
1.33
KB
-rw-r--r--
file_format_defaults.result
2.84
KB
-rw-r--r--
file_format_upgrade_16k.result
420
B
-rw-r--r--
flush-hang.result
1.27
KB
-rw-r--r--
foreign_key.result
9.21
KB
-rw-r--r--
fts_exec_interrupt.result
723
B
-rw-r--r--
help_verbose.result
80
B
-rw-r--r--
high_prio_trx_1.result
505
B
-rw-r--r--
high_prio_trx_2.result
581
B
-rw-r--r--
high_prio_trx_3.result
665
B
-rw-r--r--
high_prio_trx_4.result
711
B
-rw-r--r--
high_prio_trx_5.result
858
B
-rw-r--r--
high_prio_trx_6.result
775
B
-rw-r--r--
high_prio_trx_7.result
5.67
KB
-rw-r--r--
high_prio_trx_commit_crash.res...
1
KB
-rw-r--r--
high_prio_trx_debug.result
1.09
KB
-rw-r--r--
high_prio_trx_fk.result
918
B
-rw-r--r--
high_prio_trx_predicate.result
824
B
-rw-r--r--
high_prio_trx_rpl.result
1.65
KB
-rw-r--r--
i_s_files_debug.result
471
B
-rw-r--r--
ibuf_not_empty.result
969
B
-rw-r--r--
import.result
1.72
KB
-rw-r--r--
import_compress_encrypt.result
5.28
KB
-rw-r--r--
import_compress_encrypt_upgrad...
2.53
KB
-rw-r--r--
import_export_4k.result
724
B
-rw-r--r--
import_tablespace_page_corrupt...
555
B
-rw-r--r--
import_tablespace_schema_missm...
2.11
KB
-rw-r--r--
import_update_stats.result
2.86
KB
-rw-r--r--
index-online-norebuild.result
897
B
-rw-r--r--
index_length.result
1.28
KB
-rw-r--r--
index_merge_threshold.result
54.7
KB
-rw-r--r--
index_tree_operation.result
1.65
KB
-rw-r--r--
innodb-2byte-collation.result
3.28
KB
-rw-r--r--
innodb-ac-non-locking-select.r...
861
B
-rw-r--r--
innodb-alter-autoinc.result
4.27
KB
-rw-r--r--
innodb-alter-debug-wl6554.resu...
12.79
KB
-rw-r--r--
innodb-alter-debug.result
2.64
KB
-rw-r--r--
innodb-alter-nullable.result
1.52
KB
-rw-r--r--
innodb-alter-wl6554.result
3.13
KB
-rw-r--r--
innodb-alter.result
30.33
KB
-rw-r--r--
innodb-analyze.result
58
B
-rw-r--r--
innodb-autoinc-18274.result
805
B
-rw-r--r--
innodb-autoinc-44030.result
732
B
-rw-r--r--
innodb-autoinc-56228.result
847
B
-rw-r--r--
innodb-autoinc-optimize.result
321
B
-rw-r--r--
innodb-autoinc.result
41.48
KB
-rw-r--r--
innodb-blob.result
4.91
KB
-rw-r--r--
innodb-bug-14068765.result
2.81
KB
-rw-r--r--
innodb-bug-14084530.result
701
B
-rw-r--r--
innodb-bug12552164.result
1.73
KB
-rw-r--r--
innodb-bug14219515.result
244
B
-rw-r--r--
innodb-change-buffer-recovery....
1.08
KB
-rw-r--r--
innodb-consistent.result
670
B
-rw-r--r--
innodb-import-partition-rpl.re...
2.46
KB
-rw-r--r--
innodb-import-partition.result
40.01
KB
-rw-r--r--
innodb-index-debug.result
13.64
KB
-rw-r--r--
innodb-index-online-delete.res...
642
B
-rw-r--r--
innodb-index-online-fk.result
26.4
KB
-rw-r--r--
innodb-index-online-purge.resu...
1.2
KB
-rw-r--r--
innodb-index-online.result
13.35
KB
-rw-r--r--
innodb-index.result
67.62
KB
-rw-r--r--
innodb-index_ucs2.result
3.62
KB
-rw-r--r--
innodb-isolation.result
43.25
KB
-rw-r--r--
innodb-large-prefix.result
1.27
KB
-rw-r--r--
innodb-lock-inherit-read_commi...
4.18
KB
-rw-r--r--
innodb-lock.result
3.22
KB
-rw-r--r--
innodb-multiple-tablespaces.re...
14.79
KB
-rw-r--r--
innodb-read-view.result
2.73
KB
-rw-r--r--
innodb-replace-debug.result
309
B
-rw-r--r--
innodb-semi-consistent.result
1.35
KB
-rw-r--r--
innodb-status-output.result
1.3
KB
-rw-r--r--
innodb-system-table-view.resul...
9.07
KB
-rw-r--r--
innodb-table-online.result
13.11
KB
-rw-r--r--
innodb-timeout.result
953
B
-rw-r--r--
innodb-truncate-debug.result
4.46
KB
-rw-r--r--
innodb-truncate.result
2.28
KB
-rw-r--r--
innodb-ucs2.result
15.38
KB
-rw-r--r--
innodb-update-insert.result
1.1
KB
-rw-r--r--
innodb-wl5522-1.result
29.45
KB
-rw-r--r--
innodb-wl5522-debug.result
30.05
KB
-rw-r--r--
innodb-wl5522.result
20.99
KB
-rw-r--r--
innodb-wl5980-alter.result
38.86
KB
-rw-r--r--
innodb-wl5980-debug.result
1.33
KB
-rw-r--r--
innodb-wl5980-discard.result
29.2
KB
-rw-r--r--
innodb-wl5980-linux.result
9.7
KB
-rw-r--r--
innodb-wl5980-windows.result
10.07
KB
-rw-r--r--
innodb-wl6045-1.result
3.72
KB
-rw-r--r--
innodb-wl6045-linux.result
11.11
KB
-rw-r--r--
innodb-wl6445-1.result
69
KB
-rw-r--r--
innodb-wl6445-2.result
3.57
KB
-rw-r--r--
innodb-wl6445.result
1.78
KB
-rw-r--r--
innodb.result
108.76
KB
-rw-r--r--
innodb_32k.result
3.25
KB
-rw-r--r--
innodb_64k.result
3.47
KB
-rw-r--r--
innodb_autoinc_lock_mode_zero....
1.22
KB
-rw-r--r--
innodb_autoinc_reset.result
423
B
-rw-r--r--
innodb_buffer_pool_dump_pct.re...
1.49
KB
-rw-r--r--
innodb_buffer_pool_load.result
2.02
KB
-rw-r--r--
innodb_buffer_pool_load_now.re...
1.6
KB
-rw-r--r--
innodb_buffer_pool_resize.resu...
1.29
KB
-rw-r--r--
innodb_buffer_pool_resize_debu...
3.24
KB
-rw-r--r--
innodb_buffer_pool_resize_with...
1.08
KB
-rw-r--r--
innodb_bug-13628249.result
988
B
-rw-r--r--
innodb_bug11754376.result
180
B
-rw-r--r--
innodb_bug11766634.result
396
B
-rw-r--r--
innodb_bug11789106.result
404
B
-rw-r--r--
innodb_bug11933790.result
135
B
-rw-r--r--
innodb_bug12400341.result
966
B
-rw-r--r--
innodb_bug12429573.result
708
B
-rw-r--r--
innodb_bug12661768.result
524
B
-rw-r--r--
innodb_bug14006907.result
934
B
-rw-r--r--
innodb_bug14007109.result
223
B
-rw-r--r--
innodb_bug14007649.result
1.17
KB
-rw-r--r--
innodb_bug14147491.result
730
B
-rw-r--r--
innodb_bug14169459.result
1.48
KB
-rw-r--r--
innodb_bug14676111.result
1.99
KB
-rw-r--r--
innodb_bug14704286.result
1.12
KB
-rw-r--r--
innodb_bug19164038.result
1023
B
-rw-r--r--
innodb_bug21704.result
2.65
KB
-rw-r--r--
innodb_bug30113362.result
2.95
KB
-rw-r--r--
innodb_bug30423.result
3.79
KB
-rw-r--r--
innodb_bug30594501.result
317
B
-rw-r--r--
innodb_bug30919.result
17.44
KB
-rw-r--r--
innodb_bug31205266.result
798
B
-rw-r--r--
innodb_bug34053.result
35
B
-rw-r--r--
innodb_bug34300.result
439
B
-rw-r--r--
innodb_bug35220.result
35
B
-rw-r--r--
innodb_bug38231.result
35
B
-rw-r--r--
innodb_bug39438.result
35
B
-rw-r--r--
innodb_bug40360.result
274
B
-rw-r--r--
innodb_bug40565.result
311
B
-rw-r--r--
innodb_bug41904.result
195
B
-rw-r--r--
innodb_bug42101-nonzero.result
810
B
-rw-r--r--
innodb_bug42101.result
704
B
-rw-r--r--
innodb_bug42419.result
858
B
-rw-r--r--
innodb_bug44032.result
313
B
-rw-r--r--
innodb_bug44369.result
300
B
-rw-r--r--
innodb_bug44571.result
334
B
-rw-r--r--
innodb_bug45357.result
290
B
-rw-r--r--
innodb_bug46000.result
906
B
-rw-r--r--
innodb_bug46676.result
362
B
-rw-r--r--
innodb_bug47167.result
1.51
KB
-rw-r--r--
innodb_bug47621.result
777
B
-rw-r--r--
innodb_bug47622.result
748
B
-rw-r--r--
innodb_bug47777.result
612
B
-rw-r--r--
innodb_bug48024.result
592
B
-rw-r--r--
innodb_bug49164.result
913
B
-rw-r--r--
innodb_bug51378.result
2.19
KB
-rw-r--r--
innodb_bug51920.result
316
B
-rw-r--r--
innodb_bug52199.result
175
B
-rw-r--r--
innodb_bug52663.result
857
B
-rw-r--r--
innodb_bug53046.result
1016
B
-rw-r--r--
innodb_bug53290.result
771
B
-rw-r--r--
innodb_bug53592.result
1.9
KB
-rw-r--r--
innodb_bug53674.result
234
B
-rw-r--r--
innodb_bug53756.result
3.62
KB
-rw-r--r--
innodb_bug54044.result
678
B
-rw-r--r--
innodb_bug56143.result
73.71
KB
-rw-r--r--
innodb_bug56716.result
168
B
-rw-r--r--
innodb_bug56947.result
406
B
-rw-r--r--
innodb_bug57252.result
89
B
-rw-r--r--
innodb_bug57255.result
501
B
-rw-r--r--
innodb_bug57904.result
1.3
KB
-rw-r--r--
innodb_bug59307.result
483
B
-rw-r--r--
innodb_bug59410.result
529
B
-rw-r--r--
innodb_bug59641.result
927
B
-rw-r--r--
innodb_bug59733.result
822
B
-rw-r--r--
innodb_bug60049.result
258
B
-rw-r--r--
innodb_bug60196.result
2.86
KB
-rw-r--r--
innodb_bug60229.result
955
B
-rw-r--r--
innodb_bug70867.result
126
B
-rw-r--r--
innodb_bulk_create_index.resul...
29.62
KB
-rw-r--r--
innodb_bulk_create_index_debug...
11.38
KB
-rw-r--r--
innodb_bulk_create_index_flush...
1.46
KB
-rw-r--r--
innodb_bulk_create_index_repli...
5.82
KB
-rw-r--r--
innodb_bulk_create_index_small...
4.26
KB
-rw-r--r--
innodb_corrupt_bit.result
2.61
KB
-rw-r--r--
innodb_corrupt_readonly.result
1011
B
-rw-r--r--
innodb_ctype_ldml.result
27.55
KB
-rw-r--r--
innodb_deadlock_with_autoinc.r...
565
B
-rw-r--r--
innodb_file_format.result
3.11
KB
-rw-r--r--
innodb_file_limit_check.result
457
B
-rw-r--r--
innodb_force_recovery.result
3.7
KB
-rw-r--r--
innodb_fts_limit_check.result
1.04
KB
-rw-r--r--
innodb_high_prio_commit_crash....
1.13
KB
-rw-r--r--
innodb_high_prio_rpl.result
1.07
KB
-rw-r--r--
innodb_i_s_innodb_locks.result
4.89
KB
-rw-r--r--
innodb_i_s_innodb_trx.result
2.85
KB
-rw-r--r--
innodb_information_schema_buff...
2.29
KB
-rw-r--r--
innodb_io_pf.result
407
B
-rw-r--r--
innodb_lock_wait_timeout_1.res...
9.04
KB
-rw-r--r--
innodb_misc1.result
29.29
KB
-rw-r--r--
innodb_multi_update.result
1.62
KB
-rw-r--r--
innodb_mysql.result
95.87
KB
-rw-r--r--
innodb_mysql_rbk.result
629
B
-rw-r--r--
innodb_notembedded.result
637
B
-rw-r--r--
innodb_page_size_func.result
1.49
KB
-rw-r--r--
innodb_pagesize_max_recordsize...
14.37
KB
-rw-r--r--
innodb_prefix_index_check.resu...
1.14
KB
-rw-r--r--
innodb_prefix_index_restart_se...
2.69
KB
-rw-r--r--
innodb_rename_index.result
31.12
KB
-rw-r--r--
innodb_rename_index_err.result
1.81
KB
-rw-r--r--
innodb_replace.result
2.7
KB
-rw-r--r--
innodb_row_log_read.result
867
B
-rw-r--r--
innodb_stats.result
11.62
KB
-rw-r--r--
innodb_stats_auto_recalc.resul...
1.33
KB
-rw-r--r--
innodb_stats_auto_recalc_ddl.r...
1.13
KB
-rw-r--r--
innodb_stats_auto_recalc_lots....
2.07
KB
-rw-r--r--
innodb_stats_auto_recalc_on_no...
2.19
KB
-rw-r--r--
innodb_stats_create_on_corrupt...
705
B
-rw-r--r--
innodb_stats_create_table.resu...
1.1
KB
-rw-r--r--
innodb_stats_del_mark.result
2.81
KB
-rw-r--r--
innodb_stats_drop_locked.resul...
1.55
KB
-rw-r--r--
innodb_stats_external_pages.re...
880
B
-rw-r--r--
innodb_stats_fetch.result
3.35
KB
-rw-r--r--
innodb_stats_fetch_corrupted.r...
1.01
KB
-rw-r--r--
innodb_stats_fetch_nonexistent...
980
B
-rw-r--r--
innodb_stats_flag_global_off.r...
7.36
KB
-rw-r--r--
innodb_stats_flag_global_on.re...
7.36
KB
-rw-r--r--
innodb_stats_rename_table.resu...
1.48
KB
-rw-r--r--
innodb_stats_rename_table_if_e...
1.89
KB
-rw-r--r--
innodb_stats_sample_pages.resu...
1023
B
-rw-r--r--
innodb_stats_table_flag_auto_r...
2.97
KB
-rw-r--r--
innodb_stats_table_flag_sample...
4.23
KB
-rw-r--r--
innodb_sys_var_valgrind.result
2.35
KB
-rw-r--r--
innodb_tablespace.result
22.76
KB
-rw-r--r--
innodb_tablespace_zip.result
1.13
KB
-rw-r--r--
innodb_thread_concurrency_debu...
824
B
-rw-r--r--
innodb_timeout_rollback.result
570
B
-rw-r--r--
innodb_trx_weight.result
35
B
-rw-r--r--
innodb_upd_stats_if_needed_not...
466
B
-rw-r--r--
innodb_ut_format_name.result
140
B
-rw-r--r--
innodb_wl6326.result
10.95
KB
-rw-r--r--
innodb_wl6326_big.result
17.67
KB
-rw-r--r--
innodb_wl6469_1.result
1.48
KB
-rw-r--r--
innodb_wl6469_debug.result
1.63
KB
-rw-r--r--
innodb_wl6470.result
3.11
KB
-rw-r--r--
innodb_wl6470_debug.result
1.42
KB
-rw-r--r--
innodb_wl6501_crash_1.result
15.37
KB
-rw-r--r--
innodb_wl6501_crash_2.result
15.37
KB
-rw-r--r--
innodb_wl6501_crash_6.result
13.07
KB
-rw-r--r--
innodb_wl6501_crash_7.result
13.07
KB
-rw-r--r--
innodb_wl6501_crash_8.result
468
B
-rw-r--r--
innodb_wl6560_1.result
7.27
KB
-rw-r--r--
innodb_wl6560_debug.result
3.36
KB
-rw-r--r--
innodb_wl6915.result
3.99
KB
-rw-r--r--
innodb_wl6915_debug.result
2.88
KB
-rw-r--r--
innodb_wl8114.result
1.78
KB
-rw-r--r--
insert_debug.result
956
B
-rw-r--r--
iodku.result
6.34
KB
-rw-r--r--
iodku_debug.result
2.71
KB
-rw-r--r--
log_alter_table.result
521
B
-rw-r--r--
log_corruption.result
843
B
-rw-r--r--
log_file.result
4.84
KB
-rw-r--r--
log_file_name.result
1.55
KB
-rw-r--r--
log_file_name_debug.result
345
B
-rw-r--r--
log_file_size.result
1.09
KB
-rw-r--r--
log_file_size_1.result
4.85
KB
-rw-r--r--
log_file_size_checkpoint.resul...
106
B
-rw-r--r--
missing_tablespaces.result
664
B
-rw-r--r--
monitor.result
23.64
KB
-rw-r--r--
monitor_restart.result
324
B
-rw-r--r--
mysqldump_max_recordsize.resul...
8.78
KB
-rw-r--r--
optimizer_temporary_table.resu...
114.72
KB
-rw-r--r--
page_reorganize.result
638
B
-rw-r--r--
partition-blob.result
1.53
KB
-rw-r--r--
partition-upgrade.result
33.24
KB
-rw-r--r--
partition.result
39.54
KB
-rw-r--r--
readahead.result
398
B
-rw-r--r--
readonly.result
713
B
-rw-r--r--
records_in_range.result
35.31
KB
-rw-r--r--
redo_log_during_checkpoint.res...
827
B
-rw-r--r--
rename_table.result
890
B
-rw-r--r--
row_format_redundant.result
1.71
KB
-rw-r--r--
sp_temp_table.result
5.72
KB
-rw-r--r--
stored_fk.result
3.52
KB
-rw-r--r--
strict_checksum.result
1.02
KB
-rw-r--r--
strict_mode.result
3.54
KB
-rw-r--r--
sys_tablestats.result
571
B
-rw-r--r--
table_compress.result
25.4
KB
-rw-r--r--
table_encrypt_1.result
6.82
KB
-rw-r--r--
table_encrypt_2.result
3.44
KB
-rw-r--r--
table_encrypt_3.result
66.48
KB
-rw-r--r--
table_encrypt_4.result
3.64
KB
-rw-r--r--
table_encrypt_5.result
56.6
KB
-rw-r--r--
table_encrypt_debug.result
3.22
KB
-rw-r--r--
table_encrypt_fts.result
1.7
KB
-rw-r--r--
table_encrypt_kill.result
7.59
KB
-rw-r--r--
table_encryption.result
3.42
KB
-rw-r--r--
tablespace_crash.result
8.16
KB
-rw-r--r--
tablespace_embedded.result
6.89
KB
-rw-r--r--
tablespace_embedded_windows.re...
6.93
KB
-rw-r--r--
tablespace_per_table.result
21.6
KB
-rw-r--r--
tablespace_per_table_not_windo...
9.11
KB
-rw-r--r--
tablespace_per_table_windows.r...
3.12
KB
-rw-r--r--
tablespace_portability.result
24.68
KB
-rw-r--r--
tablespace_portability_windows...
24.41
KB
-rw-r--r--
timestamp.result
790
B
-rw-r--r--
tinytext-groupby.result
1.33
KB
-rw-r--r--
tmpdir.result
1.8
KB
-rw-r--r--
trx_id_future.result
329
B
-rw-r--r--
undo.result
850
B
-rw-r--r--
update-cascade.result
8.04
KB
-rw-r--r--
update_time.result
1.62
KB
-rw-r--r--
update_time_wl6658.result
8.08
KB
-rw-r--r--
virtual_basic.result
53.55
KB
-rw-r--r--
virtual_blob.result
359
B
-rw-r--r--
virtual_debug.result
53.92
KB
-rw-r--r--
virtual_debug_purge.result
3.98
KB
-rw-r--r--
virtual_fk.result
28.34
KB
-rw-r--r--
virtual_fk_restart.result
1.48
KB
-rw-r--r--
virtual_index.result
7.71
KB
-rw-r--r--
virtual_purge.result
3.95
KB
-rw-r--r--
virtual_stats.result
4.84
KB
-rw-r--r--
xa_prepare_lock_release.result
1.21
KB
-rw-r--r--
xa_recovery.result
381
B
-rw-r--r--
xa_recovery_debug.result
528
B
-rw-r--r--
Delete
Unzip
Zip
${this.title}
Close
Code Editor : index_merge_threshold.result
CREATE TABLE tab(a BIGINT PRIMARY KEY,c1 TINYTEXT,c2 TEXT,c3 MEDIUMTEXT, c4 TINYBLOB,c5 BLOB,c6 MEDIUMBLOB,c7 LONGBLOB) ENGINE=InnoDB; CREATE INDEX index1 ON tab(c1(255)) COMMENT 'Check index level merge MERGE_THRESHOLD=51'; Warnings: Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. CREATE INDEX index2 ON tab(c2(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=-1'; Warnings: Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. CREATE INDEX index3 ON tab(c3(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=20'; Warnings: Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. CREATE INDEX index4 ON tab(c4(255)) COMMENT 'Check index level merge MERGE_THRESHOLD=25'; Warnings: Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. CREATE INDEX index5 ON tab(c5(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=30'; Warnings: Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. CREATE INDEX index6 ON tab(c6(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=35'; Warnings: Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. CREATE INDEX index7 ON tab(c7(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=40'; Warnings: Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. SHOW CREATE TABLE tab; Table Create Table tab CREATE TABLE `tab` ( `a` bigint(20) NOT NULL, `c1` tinytext, `c2` text, `c3` mediumtext, `c4` tinyblob, `c5` blob, `c6` mediumblob, `c7` longblob, PRIMARY KEY (`a`), KEY `index1` (`c1`(255)) COMMENT 'Check index level merge MERGE_THRESHOLD=51', KEY `index2` (`c2`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=-1', KEY `index3` (`c3`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=20', KEY `index4` (`c4`(255)) COMMENT 'Check index level merge MERGE_THRESHOLD=25', KEY `index5` (`c5`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=30', KEY `index6` (`c6`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=35', KEY `index7` (`c7`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=40' ) ENGINE=InnoDB DEFAULT CHARSET=latin1 SELECT t.NAME as TABLE_NAME, i.NAME as INDEX_NAME, i.MERGE_THRESHOLD FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES t, INFORMATION_SCHEMA.INNODB_SYS_INDEXES i WHERE t.TABLE_ID = i.TABLE_ID AND t.NAME = 'test/tab'; TABLE_NAME INDEX_NAME MERGE_THRESHOLD test/tab PRIMARY 50 test/tab index1 50 test/tab index2 50 test/tab index3 20 test/tab index4 25 test/tab index5 30 test/tab index6 35 test/tab index7 40 ALTER TABLE tab comment='MERGE_THRESHOLD=49'; Warnings: Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. SHOW CREATE TABLE tab; Table Create Table tab CREATE TABLE `tab` ( `a` bigint(20) NOT NULL, `c1` tinytext, `c2` text, `c3` mediumtext, `c4` tinyblob, `c5` blob, `c6` mediumblob, `c7` longblob, PRIMARY KEY (`a`), KEY `index1` (`c1`(255)) COMMENT 'Check index level merge MERGE_THRESHOLD=51', KEY `index2` (`c2`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=-1', KEY `index3` (`c3`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=20', KEY `index4` (`c4`(255)) COMMENT 'Check index level merge MERGE_THRESHOLD=25', KEY `index5` (`c5`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=30', KEY `index6` (`c6`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=35', KEY `index7` (`c7`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=40' ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COMMENT='MERGE_THRESHOLD=49' SELECT t.NAME as TABLE_NAME, i.NAME as INDEX_NAME, i.MERGE_THRESHOLD FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES t, INFORMATION_SCHEMA.INNODB_SYS_INDEXES i WHERE t.TABLE_ID = i.TABLE_ID AND t.NAME = 'test/tab'; TABLE_NAME INDEX_NAME MERGE_THRESHOLD test/tab PRIMARY 49 test/tab index1 49 test/tab index2 49 test/tab index3 20 test/tab index4 25 test/tab index5 30 test/tab index6 35 test/tab index7 40 ALTER TABLE tab MODIFY COLUMN c7 VARCHAR(2048) ; Warnings: Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. SHOW CREATE TABLE tab; Table Create Table tab CREATE TABLE `tab` ( `a` bigint(20) NOT NULL, `c1` tinytext, `c2` text, `c3` mediumtext, `c4` tinyblob, `c5` blob, `c6` mediumblob, `c7` varchar(2048) DEFAULT NULL, PRIMARY KEY (`a`), KEY `index1` (`c1`(255)) COMMENT 'Check index level merge MERGE_THRESHOLD=51', KEY `index2` (`c2`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=-1', KEY `index3` (`c3`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=20', KEY `index4` (`c4`(255)) COMMENT 'Check index level merge MERGE_THRESHOLD=25', KEY `index5` (`c5`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=30', KEY `index6` (`c6`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=35', KEY `index7` (`c7`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=40' ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COMMENT='MERGE_THRESHOLD=49' SELECT t.NAME as TABLE_NAME, i.NAME as INDEX_NAME, i.MERGE_THRESHOLD FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES t, INFORMATION_SCHEMA.INNODB_SYS_INDEXES i WHERE t.TABLE_ID = i.TABLE_ID AND t.NAME = 'test/tab'; TABLE_NAME INDEX_NAME MERGE_THRESHOLD test/tab PRIMARY 49 test/tab index1 49 test/tab index2 49 test/tab index3 20 test/tab index4 25 test/tab index5 30 test/tab index6 35 test/tab index7 40 ALTER TABLE tab ADD INDEX index8 (c7(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=45'; Warnings: Warning 1831 Duplicate index 'index8' defined on the table 'test.tab'. This is deprecated and will be disallowed in a future release. Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. Warning 1478 InnoDB: Invalid value for MERGE_THRESHOLD in the CREATE TABLE statement. The value is ignored. SHOW CREATE TABLE tab; Table Create Table tab CREATE TABLE `tab` ( `a` bigint(20) NOT NULL, `c1` tinytext, `c2` text, `c3` mediumtext, `c4` tinyblob, `c5` blob, `c6` mediumblob, `c7` varchar(2048) DEFAULT NULL, PRIMARY KEY (`a`), KEY `index1` (`c1`(255)) COMMENT 'Check index level merge MERGE_THRESHOLD=51', KEY `index2` (`c2`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=-1', KEY `index3` (`c3`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=20', KEY `index4` (`c4`(255)) COMMENT 'Check index level merge MERGE_THRESHOLD=25', KEY `index5` (`c5`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=30', KEY `index6` (`c6`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=35', KEY `index7` (`c7`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=40', KEY `index8` (`c7`(750)) COMMENT 'Check index level merge MERGE_THRESHOLD=45' ) ENGINE=InnoDB DEFAULT CHARSET=latin1 COMMENT='MERGE_THRESHOLD=49' SELECT t.NAME as TABLE_NAME, i.NAME as INDEX_NAME, i.MERGE_THRESHOLD FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES t, INFORMATION_SCHEMA.INNODB_SYS_INDEXES i WHERE t.TABLE_ID = i.TABLE_ID AND t.NAME = 'test/tab'; TABLE_NAME INDEX_NAME MERGE_THRESHOLD test/tab PRIMARY 49 test/tab index1 49 test/tab index2 49 test/tab index3 20 test/tab index4 25 test/tab index5 30 test/tab index6 35 test/tab index7 40 test/tab index8 45 DROP TABLE tab; # # behavior for deleting records # # test to confirm behavior (MERGE_THRESHOLD=50 (default)) CREATE TABLE tab1 (a bigint primary key, b varchar(2048)) engine=InnoDB; # check MERGE_THRESHOLD select t.NAME as TABLE_NAME, i.NAME as INDEX_NAME, i.MERGE_THRESHOLD from INFORMATION_SCHEMA.INNODB_SYS_TABLES t, INFORMATION_SCHEMA.INNODB_SYS_INDEXES i where t.TABLE_ID = i.TABLE_ID and t.NAME like 'test/tab1%'; TABLE_NAME INDEX_NAME MERGE_THRESHOLD test/tab1 PRIMARY 50 insert into tab1 values (1, repeat('a',2048)); insert into tab1 values (2, repeat('a',2048)); insert into tab1 values (3, repeat('a',2048)); insert into tab1 values (8, repeat('a',2048)); insert into tab1 values (9, repeat('a',2048)); insert into tab1 values (10, repeat('a',2048)); insert into tab1 values (11, repeat('a',2048)); insert into tab1 values (12, repeat('a',2048)); insert into tab1 values (4, repeat('a',2048)); insert into tab1 values (5, repeat('a',2048)); insert into tab1 values (6, repeat('a',2048)); insert into tab1 values (7, repeat('a',2048)); insert into tab1 values (13, repeat('a',2048)); insert into tab1 values (14, repeat('a',2048)); select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 2 4 7 5 7 set global innodb_purge_stop_now=ON; delete from tab1 where a = 12; delete from tab1 where a = 13; delete from tab1 where a = 14; delete from tab1 where a = 5; delete from tab1 where a = 6; delete from tab1 where a = 7; set global innodb_purge_run_now=ON; # check page merge happens (nothing is expected) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 2 4 4 5 4 set global innodb_purge_stop_now=ON; delete from tab1 where a = 11; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=50 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 1 index_page_merge_successful 1 set global innodb_purge_stop_now=ON; delete from tab1 where a = 10; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=35 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 2 index_page_merge_successful 2 set global innodb_purge_stop_now=ON; delete from tab1 where a = 9; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=25 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 2 index_page_merge_successful 2 DROP TABLE tab1; # test to confirm behavior (MERGE_THRESHOLD=35) CREATE TABLE tab1 (a bigint primary key, b varchar(2048)) engine=InnoDB COMMENT='MERGE_THRESHOLD=35'; # check MERGE_THRESHOLD select t.NAME as TABLE_NAME, i.NAME as INDEX_NAME, i.MERGE_THRESHOLD from INFORMATION_SCHEMA.INNODB_SYS_TABLES t, INFORMATION_SCHEMA.INNODB_SYS_INDEXES i where t.TABLE_ID = i.TABLE_ID and t.NAME like 'test/tab1%'; TABLE_NAME INDEX_NAME MERGE_THRESHOLD test/tab1 PRIMARY 35 insert into tab1 values (1, repeat('a',2048)); insert into tab1 values (2, repeat('a',2048)); insert into tab1 values (3, repeat('a',2048)); insert into tab1 values (8, repeat('a',2048)); insert into tab1 values (9, repeat('a',2048)); insert into tab1 values (10, repeat('a',2048)); insert into tab1 values (11, repeat('a',2048)); insert into tab1 values (12, repeat('a',2048)); insert into tab1 values (4, repeat('a',2048)); insert into tab1 values (5, repeat('a',2048)); insert into tab1 values (6, repeat('a',2048)); insert into tab1 values (7, repeat('a',2048)); insert into tab1 values (13, repeat('a',2048)); insert into tab1 values (14, repeat('a',2048)); select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 2 4 7 5 7 set global innodb_purge_stop_now=ON; delete from tab1 where a = 12; delete from tab1 where a = 13; delete from tab1 where a = 14; delete from tab1 where a = 5; delete from tab1 where a = 6; delete from tab1 where a = 7; set global innodb_purge_run_now=ON; # check page merge happens (nothing is expected) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 2 4 4 5 4 set global innodb_purge_stop_now=ON; delete from tab1 where a = 11; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=50 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 set global innodb_purge_stop_now=ON; delete from tab1 where a = 10; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=35 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 1 index_page_merge_successful 1 set global innodb_purge_stop_now=ON; delete from tab1 where a = 9; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=25 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 2 index_page_merge_successful 2 DROP TABLE tab1; # test to confirm behavior (MERGE_THRESHOLD=25) CREATE TABLE tab1 (a bigint primary key, b varchar(2048)) engine=InnoDB COMMENT='MERGE_THRESHOLD=25'; # check MERGE_THRESHOLD select t.NAME as TABLE_NAME, i.NAME as INDEX_NAME, i.MERGE_THRESHOLD from INFORMATION_SCHEMA.INNODB_SYS_TABLES t, INFORMATION_SCHEMA.INNODB_SYS_INDEXES i where t.TABLE_ID = i.TABLE_ID and t.NAME like 'test/tab1%'; TABLE_NAME INDEX_NAME MERGE_THRESHOLD test/tab1 PRIMARY 25 insert into tab1 values (1, repeat('a',2048)); insert into tab1 values (2, repeat('a',2048)); insert into tab1 values (3, repeat('a',2048)); insert into tab1 values (8, repeat('a',2048)); insert into tab1 values (9, repeat('a',2048)); insert into tab1 values (10, repeat('a',2048)); insert into tab1 values (11, repeat('a',2048)); insert into tab1 values (12, repeat('a',2048)); insert into tab1 values (4, repeat('a',2048)); insert into tab1 values (5, repeat('a',2048)); insert into tab1 values (6, repeat('a',2048)); insert into tab1 values (7, repeat('a',2048)); insert into tab1 values (13, repeat('a',2048)); insert into tab1 values (14, repeat('a',2048)); select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 2 4 7 5 7 set global innodb_purge_stop_now=ON; delete from tab1 where a = 12; delete from tab1 where a = 13; delete from tab1 where a = 14; delete from tab1 where a = 5; delete from tab1 where a = 6; delete from tab1 where a = 7; set global innodb_purge_run_now=ON; # check page merge happens (nothing is expected) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 2 4 4 5 4 set global innodb_purge_stop_now=ON; delete from tab1 where a = 11; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=50 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 set global innodb_purge_stop_now=ON; delete from tab1 where a = 10; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=35 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 set global innodb_purge_stop_now=ON; delete from tab1 where a = 9; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=25 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 1 index_page_merge_successful 1 DROP TABLE tab1; # test to confirm partitioned table (MERGE_THRESHOLD=35) CREATE TABLE tab1 (a bigint primary key, b varchar(2048)) COMMENT='MERGE_THRESHOLD=35' PARTITION BY RANGE (a) (PARTITION p0 VALUES LESS THAN (20) ENGINE = InnoDB, PARTITION p1 VALUES LESS THAN MAXVALUE ENGINE = InnoDB); # check MERGE_THRESHOLD select t.NAME as TABLE_NAME, i.NAME as INDEX_NAME, i.MERGE_THRESHOLD from INFORMATION_SCHEMA.INNODB_SYS_TABLES t, INFORMATION_SCHEMA.INNODB_SYS_INDEXES i where t.TABLE_ID = i.TABLE_ID and t.NAME like 'test/tab1%'; TABLE_NAME INDEX_NAME MERGE_THRESHOLD test/tab1#p#p0 PRIMARY 35 test/tab1#p#p1 PRIMARY 35 insert into tab1 values (1, repeat('a',2048)); insert into tab1 values (2, repeat('a',2048)); insert into tab1 values (3, repeat('a',2048)); insert into tab1 values (8, repeat('a',2048)); insert into tab1 values (9, repeat('a',2048)); insert into tab1 values (10, repeat('a',2048)); insert into tab1 values (11, repeat('a',2048)); insert into tab1 values (12, repeat('a',2048)); insert into tab1 values (4, repeat('a',2048)); insert into tab1 values (5, repeat('a',2048)); insert into tab1 values (6, repeat('a',2048)); insert into tab1 values (7, repeat('a',2048)); insert into tab1 values (13, repeat('a',2048)); insert into tab1 values (14, repeat('a',2048)); select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 0 3 2 4 7 5 7 set global innodb_purge_stop_now=ON; delete from tab1 where a = 12; delete from tab1 where a = 13; delete from tab1 where a = 14; delete from tab1 where a = 5; delete from tab1 where a = 6; delete from tab1 where a = 7; set global innodb_purge_run_now=ON; # check page merge happens (nothing is expected) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 0 3 2 4 4 5 4 set global innodb_purge_stop_now=ON; delete from tab1 where a = 11; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=50 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 set global innodb_purge_stop_now=ON; delete from tab1 where a = 10; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=35 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 1 index_page_merge_successful 1 set global innodb_purge_stop_now=ON; delete from tab1 where a = 9; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=25 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 2 index_page_merge_successful 2 DROP TABLE tab1; # # behavior for updating to smaller records # # test to confirm behavior (MERGE_THRESHOLD=50 (default)) CREATE TABLE tab1 (a bigint primary key, b varchar(2048)) engine=InnoDB; # check MERGE_THRESHOLD select t.NAME as TABLE_NAME, i.NAME as INDEX_NAME, i.MERGE_THRESHOLD from INFORMATION_SCHEMA.INNODB_SYS_TABLES t, INFORMATION_SCHEMA.INNODB_SYS_INDEXES i where t.TABLE_ID = i.TABLE_ID and t.NAME like 'test/tab1%'; TABLE_NAME INDEX_NAME MERGE_THRESHOLD test/tab1 PRIMARY 50 insert into tab1 values (1, repeat('a',2048)); insert into tab1 values (2, repeat('a',2048)); insert into tab1 values (3, repeat('a',2048)); insert into tab1 values (8, repeat('a',2048)); insert into tab1 values (9, repeat('a',2048)); insert into tab1 values (10, repeat('a',2048)); insert into tab1 values (11, repeat('a',2048)); insert into tab1 values (12, repeat('a',2048)); insert into tab1 values (4, repeat('a',2048)); insert into tab1 values (5, repeat('a',2048)); insert into tab1 values (6, repeat('a',2048)); insert into tab1 values (7, repeat('a',2048)); insert into tab1 values (13, repeat('a',2048)); insert into tab1 values (14, repeat('a',2048)); select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 2 4 7 5 7 update tab1 set b='' where a = 12; update tab1 set b='' where a = 13; update tab1 set b='' where a = 14; update tab1 set b='' where a = 5; update tab1 set b='' where a = 6; update tab1 set b='' where a = 7; # check page merge happens (nothing is expected) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 2 4 7 5 7 update tab1 set b='' where a = 11; # check page merge happens (MERGE_THRESHOLD=50 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 1 index_page_merge_successful 1 update tab1 set b='' where a = 10; # check page merge happens (MERGE_THRESHOLD=35 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 1 index_page_merge_successful 1 update tab1 set b='' where a = 9; # check page merge happens (MERGE_THRESHOLD=25 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 1 index_page_merge_successful 1 DROP TABLE tab1; # test to confirm behavior (MERGE_THRESHOLD=35) CREATE TABLE tab1 (a bigint primary key, b varchar(2048)) engine=InnoDB COMMENT='MERGE_THRESHOLD=35'; # check MERGE_THRESHOLD select t.NAME as TABLE_NAME, i.NAME as INDEX_NAME, i.MERGE_THRESHOLD from INFORMATION_SCHEMA.INNODB_SYS_TABLES t, INFORMATION_SCHEMA.INNODB_SYS_INDEXES i where t.TABLE_ID = i.TABLE_ID and t.NAME like 'test/tab1%'; TABLE_NAME INDEX_NAME MERGE_THRESHOLD test/tab1 PRIMARY 35 insert into tab1 values (1, repeat('a',2048)); insert into tab1 values (2, repeat('a',2048)); insert into tab1 values (3, repeat('a',2048)); insert into tab1 values (8, repeat('a',2048)); insert into tab1 values (9, repeat('a',2048)); insert into tab1 values (10, repeat('a',2048)); insert into tab1 values (11, repeat('a',2048)); insert into tab1 values (12, repeat('a',2048)); insert into tab1 values (4, repeat('a',2048)); insert into tab1 values (5, repeat('a',2048)); insert into tab1 values (6, repeat('a',2048)); insert into tab1 values (7, repeat('a',2048)); insert into tab1 values (13, repeat('a',2048)); insert into tab1 values (14, repeat('a',2048)); select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 2 4 7 5 7 update tab1 set b='' where a = 12; update tab1 set b='' where a = 13; update tab1 set b='' where a = 14; update tab1 set b='' where a = 5; update tab1 set b='' where a = 6; update tab1 set b='' where a = 7; # check page merge happens (nothing is expected) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 2 4 7 5 7 update tab1 set b='' where a = 11; # check page merge happens (MERGE_THRESHOLD=50 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 update tab1 set b='' where a = 10; # check page merge happens (MERGE_THRESHOLD=35 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 1 index_page_merge_successful 1 update tab1 set b='' where a = 9; # check page merge happens (MERGE_THRESHOLD=25 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 1 index_page_merge_successful 1 DROP TABLE tab1; # test to confirm behavior (MERGE_THRESHOLD=25) CREATE TABLE tab1 (a bigint primary key, b varchar(2048)) engine=InnoDB COMMENT='MERGE_THRESHOLD=25'; # check MERGE_THRESHOLD select t.NAME as TABLE_NAME, i.NAME as INDEX_NAME, i.MERGE_THRESHOLD from INFORMATION_SCHEMA.INNODB_SYS_TABLES t, INFORMATION_SCHEMA.INNODB_SYS_INDEXES i where t.TABLE_ID = i.TABLE_ID and t.NAME like 'test/tab1%'; TABLE_NAME INDEX_NAME MERGE_THRESHOLD test/tab1 PRIMARY 25 insert into tab1 values (1, repeat('a',2048)); insert into tab1 values (2, repeat('a',2048)); insert into tab1 values (3, repeat('a',2048)); insert into tab1 values (8, repeat('a',2048)); insert into tab1 values (9, repeat('a',2048)); insert into tab1 values (10, repeat('a',2048)); insert into tab1 values (11, repeat('a',2048)); insert into tab1 values (12, repeat('a',2048)); insert into tab1 values (4, repeat('a',2048)); insert into tab1 values (5, repeat('a',2048)); insert into tab1 values (6, repeat('a',2048)); insert into tab1 values (7, repeat('a',2048)); insert into tab1 values (13, repeat('a',2048)); insert into tab1 values (14, repeat('a',2048)); select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 2 4 7 5 7 update tab1 set b='' where a = 12; update tab1 set b='' where a = 13; update tab1 set b='' where a = 14; update tab1 set b='' where a = 5; update tab1 set b='' where a = 6; update tab1 set b='' where a = 7; # check page merge happens (nothing is expected) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 2 4 7 5 7 update tab1 set b='' where a = 11; # check page merge happens (MERGE_THRESHOLD=50 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 update tab1 set b='' where a = 10; # check page merge happens (MERGE_THRESHOLD=35 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 update tab1 set b='' where a = 9; # check page merge happens (MERGE_THRESHOLD=25 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 1 index_page_merge_successful 1 DROP TABLE tab1; # test to confirm explicit temporary table (MERGE_THRESHOLD=35) # (though not registered to SYS_TABLES,SYS_INDEXES, it works correctly) CREATE TEMPORARY TABLE tab1 (a bigint primary key, b varchar(2048)) engine=InnoDB COMMENT='MERGE_THRESHOLD=35'; # check MERGE_THRESHOLD select t.NAME as TABLE_NAME, i.NAME as INDEX_NAME, i.MERGE_THRESHOLD from INFORMATION_SCHEMA.INNODB_SYS_TABLES t, INFORMATION_SCHEMA.INNODB_SYS_INDEXES i where t.TABLE_ID = i.TABLE_ID and t.NAME like 'test/tab1%'; TABLE_NAME INDEX_NAME MERGE_THRESHOLD insert into tab1 values (1, repeat('a',2048)); insert into tab1 values (2, repeat('a',2048)); insert into tab1 values (3, repeat('a',2048)); insert into tab1 values (8, repeat('a',2048)); insert into tab1 values (9, repeat('a',2048)); insert into tab1 values (10, repeat('a',2048)); insert into tab1 values (11, repeat('a',2048)); insert into tab1 values (12, repeat('a',2048)); insert into tab1 values (4, repeat('a',2048)); insert into tab1 values (5, repeat('a',2048)); insert into tab1 values (6, repeat('a',2048)); insert into tab1 values (7, repeat('a',2048)); insert into tab1 values (13, repeat('a',2048)); insert into tab1 values (14, repeat('a',2048)); select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS update tab1 set b='' where a = 12; update tab1 set b='' where a = 13; update tab1 set b='' where a = 14; update tab1 set b='' where a = 5; update tab1 set b='' where a = 6; update tab1 set b='' where a = 7; # check page merge happens (nothing is expected) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS update tab1 set b='' where a = 11; # check page merge happens (MERGE_THRESHOLD=50 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 update tab1 set b='' where a = 10; # check page merge happens (MERGE_THRESHOLD=35 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 1 index_page_merge_successful 1 update tab1 set b='' where a = 9; # check page merge happens (MERGE_THRESHOLD=25 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 1 index_page_merge_successful 1 DROP TABLE tab1; # # behavior for secondary index with blob # # test to confirm behavior (MERGE_THRESHOLD=50 (default)) CREATE TABLE tab1 (a bigint primary key, b blob) engine=InnoDB row_format=dynamic; CREATE INDEX index1 ON tab1(b(750)); # check MERGE_THRESHOLD select t.NAME as TABLE_NAME, i.NAME as INDEX_NAME, i.MERGE_THRESHOLD from INFORMATION_SCHEMA.INNODB_SYS_TABLES t, INFORMATION_SCHEMA.INNODB_SYS_INDEXES i where t.TABLE_ID = i.TABLE_ID and t.NAME like 'test/tab1%'; TABLE_NAME INDEX_NAME MERGE_THRESHOLD test/tab1 PRIMARY 50 test/tab1 index1 50 INSERT INTO tab1 VALUES (1, concat("01", repeat('a',8190))); INSERT INTO tab1 VALUES (2, concat("02", repeat('a',8190))); INSERT INTO tab1 VALUES (3, concat("03", repeat('a',8190))); INSERT INTO tab1 VALUES (4, concat("04", repeat('a',8190))); INSERT INTO tab1 VALUES (5, concat("05", repeat('a',8190))); INSERT INTO tab1 VALUES (6, concat("06", repeat('a',8190))); INSERT INTO tab1 VALUES (7, concat("07", repeat('a',8190))); INSERT INTO tab1 VALUES (8, concat("08", repeat('a',8190))); INSERT INTO tab1 VALUES (9, concat("09", repeat('a',8190))); INSERT INTO tab1 VALUES (10, concat("10", repeat('a',8190))); INSERT INTO tab1 VALUES (22, concat("22", repeat('a',8190))); INSERT INTO tab1 VALUES (23, concat("23", repeat('a',8190))); INSERT INTO tab1 VALUES (24, concat("24", repeat('a',8190))); INSERT INTO tab1 VALUES (25, concat("25", repeat('a',8190))); INSERT INTO tab1 VALUES (26, concat("26", repeat('a',8190))); INSERT INTO tab1 VALUES (27, concat("27", repeat('a',8190))); INSERT INTO tab1 VALUES (28, concat("28", repeat('a',8190))); INSERT INTO tab1 VALUES (29, concat("29", repeat('a',8190))); INSERT INTO tab1 VALUES (30, concat("30", repeat('a',8190))); INSERT INTO tab1 VALUES (31, concat("31", repeat('a',8190))); INSERT INTO tab1 VALUES (32, concat("32", repeat('a',8190))); INSERT INTO tab1 VALUES (33, concat("33", repeat('a',8190))); INSERT INTO tab1 VALUES (11, concat("11", repeat('a',8190))); INSERT INTO tab1 VALUES (12, concat("12", repeat('a',8190))); INSERT INTO tab1 VALUES (13, concat("13", repeat('a',8190))); INSERT INTO tab1 VALUES (14, concat("14", repeat('a',8190))); INSERT INTO tab1 VALUES (15, concat("15", repeat('a',8190))); INSERT INTO tab1 VALUES (16, concat("16", repeat('a',8190))); INSERT INTO tab1 VALUES (17, concat("17", repeat('a',8190))); INSERT INTO tab1 VALUES (18, concat("18", repeat('a',8190))); INSERT INTO tab1 VALUES (19, concat("19", repeat('a',8190))); INSERT INTO tab1 VALUES (20, concat("20", repeat('a',8190))); INSERT INTO tab1 VALUES (21, concat("21", repeat('a',8190))); INSERT INTO tab1 VALUES (34, concat("34", repeat('a',8190))); INSERT INTO tab1 VALUES (35, concat("35", repeat('a',8190))); INSERT INTO tab1 VALUES (36, concat("36", repeat('a',8190))); INSERT INTO tab1 VALUES (37, concat("37", repeat('a',8190))); INSERT INTO tab1 VALUES (38, concat("38", repeat('a',8190))); INSERT INTO tab1 VALUES (39, concat("39", repeat('a',8190))); INSERT INTO tab1 VALUES (40, concat("40", repeat('a',8190))); INSERT INTO tab1 VALUES (41, concat("41", repeat('a',8190))); INSERT INTO tab1 VALUES (42, concat("42", repeat('a',8190))); select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 42 4 2 27 21 28 21 set global innodb_purge_stop_now=ON; delete from tab1 where a = 33; delete from tab1 where a = 34; delete from tab1 where a = 35; delete from tab1 where a = 36; delete from tab1 where a = 37; delete from tab1 where a = 38; delete from tab1 where a = 39; delete from tab1 where a = 40; delete from tab1 where a = 41; delete from tab1 where a = 42; delete from tab1 where a = 12; delete from tab1 where a = 13; delete from tab1 where a = 14; delete from tab1 where a = 15; delete from tab1 where a = 16; delete from tab1 where a = 17; delete from tab1 where a = 18; delete from tab1 where a = 19; delete from tab1 where a = 20; delete from tab1 where a = 21; set global innodb_purge_run_now=ON; # check page merge happens (nothing is expected) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 22 4 2 27 11 28 11 set global innodb_purge_stop_now=ON; delete from tab1 where a = 32; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=50 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 1 index_page_merge_successful 1 set global innodb_purge_stop_now=ON; delete from tab1 where a = 31; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=45 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 2 index_page_merge_successful 2 set global innodb_purge_stop_now=ON; delete from tab1 where a = 30; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=40 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 2 index_page_merge_successful 2 DROP TABLE tab1; # test to confirm behavior (MERGE_THRESHOLD=45) CREATE TABLE tab1 (a bigint primary key, b blob) engine=InnoDB row_format=dynamic; CREATE INDEX index1 ON tab1(b(750)) COMMENT 'MERGE_THRESHOLD=45'; # check MERGE_THRESHOLD select t.NAME as TABLE_NAME, i.NAME as INDEX_NAME, i.MERGE_THRESHOLD from INFORMATION_SCHEMA.INNODB_SYS_TABLES t, INFORMATION_SCHEMA.INNODB_SYS_INDEXES i where t.TABLE_ID = i.TABLE_ID and t.NAME like 'test/tab1%'; TABLE_NAME INDEX_NAME MERGE_THRESHOLD test/tab1 PRIMARY 50 test/tab1 index1 45 INSERT INTO tab1 VALUES (1, concat("01", repeat('a',8190))); INSERT INTO tab1 VALUES (2, concat("02", repeat('a',8190))); INSERT INTO tab1 VALUES (3, concat("03", repeat('a',8190))); INSERT INTO tab1 VALUES (4, concat("04", repeat('a',8190))); INSERT INTO tab1 VALUES (5, concat("05", repeat('a',8190))); INSERT INTO tab1 VALUES (6, concat("06", repeat('a',8190))); INSERT INTO tab1 VALUES (7, concat("07", repeat('a',8190))); INSERT INTO tab1 VALUES (8, concat("08", repeat('a',8190))); INSERT INTO tab1 VALUES (9, concat("09", repeat('a',8190))); INSERT INTO tab1 VALUES (10, concat("10", repeat('a',8190))); INSERT INTO tab1 VALUES (22, concat("22", repeat('a',8190))); INSERT INTO tab1 VALUES (23, concat("23", repeat('a',8190))); INSERT INTO tab1 VALUES (24, concat("24", repeat('a',8190))); INSERT INTO tab1 VALUES (25, concat("25", repeat('a',8190))); INSERT INTO tab1 VALUES (26, concat("26", repeat('a',8190))); INSERT INTO tab1 VALUES (27, concat("27", repeat('a',8190))); INSERT INTO tab1 VALUES (28, concat("28", repeat('a',8190))); INSERT INTO tab1 VALUES (29, concat("29", repeat('a',8190))); INSERT INTO tab1 VALUES (30, concat("30", repeat('a',8190))); INSERT INTO tab1 VALUES (31, concat("31", repeat('a',8190))); INSERT INTO tab1 VALUES (32, concat("32", repeat('a',8190))); INSERT INTO tab1 VALUES (33, concat("33", repeat('a',8190))); INSERT INTO tab1 VALUES (11, concat("11", repeat('a',8190))); INSERT INTO tab1 VALUES (12, concat("12", repeat('a',8190))); INSERT INTO tab1 VALUES (13, concat("13", repeat('a',8190))); INSERT INTO tab1 VALUES (14, concat("14", repeat('a',8190))); INSERT INTO tab1 VALUES (15, concat("15", repeat('a',8190))); INSERT INTO tab1 VALUES (16, concat("16", repeat('a',8190))); INSERT INTO tab1 VALUES (17, concat("17", repeat('a',8190))); INSERT INTO tab1 VALUES (18, concat("18", repeat('a',8190))); INSERT INTO tab1 VALUES (19, concat("19", repeat('a',8190))); INSERT INTO tab1 VALUES (20, concat("20", repeat('a',8190))); INSERT INTO tab1 VALUES (21, concat("21", repeat('a',8190))); INSERT INTO tab1 VALUES (34, concat("34", repeat('a',8190))); INSERT INTO tab1 VALUES (35, concat("35", repeat('a',8190))); INSERT INTO tab1 VALUES (36, concat("36", repeat('a',8190))); INSERT INTO tab1 VALUES (37, concat("37", repeat('a',8190))); INSERT INTO tab1 VALUES (38, concat("38", repeat('a',8190))); INSERT INTO tab1 VALUES (39, concat("39", repeat('a',8190))); INSERT INTO tab1 VALUES (40, concat("40", repeat('a',8190))); INSERT INTO tab1 VALUES (41, concat("41", repeat('a',8190))); INSERT INTO tab1 VALUES (42, concat("42", repeat('a',8190))); select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 42 4 2 27 21 28 21 set global innodb_purge_stop_now=ON; delete from tab1 where a = 33; delete from tab1 where a = 34; delete from tab1 where a = 35; delete from tab1 where a = 36; delete from tab1 where a = 37; delete from tab1 where a = 38; delete from tab1 where a = 39; delete from tab1 where a = 40; delete from tab1 where a = 41; delete from tab1 where a = 42; delete from tab1 where a = 12; delete from tab1 where a = 13; delete from tab1 where a = 14; delete from tab1 where a = 15; delete from tab1 where a = 16; delete from tab1 where a = 17; delete from tab1 where a = 18; delete from tab1 where a = 19; delete from tab1 where a = 20; delete from tab1 where a = 21; set global innodb_purge_run_now=ON; # check page merge happens (nothing is expected) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 22 4 2 27 11 28 11 set global innodb_purge_stop_now=ON; delete from tab1 where a = 32; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=50 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 set global innodb_purge_stop_now=ON; delete from tab1 where a = 31; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=45 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 1 index_page_merge_successful 1 set global innodb_purge_stop_now=ON; delete from tab1 where a = 30; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=40 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 2 index_page_merge_successful 2 DROP TABLE tab1; # test to confirm behavior (MERGE_THRESHOLD=40) CREATE TABLE tab1 (a bigint primary key, b blob) engine=InnoDB row_format=dynamic; CREATE INDEX index1 ON tab1(b(750)) COMMENT 'MERGE_THRESHOLD=40'; # check MERGE_THRESHOLD select t.NAME as TABLE_NAME, i.NAME as INDEX_NAME, i.MERGE_THRESHOLD from INFORMATION_SCHEMA.INNODB_SYS_TABLES t, INFORMATION_SCHEMA.INNODB_SYS_INDEXES i where t.TABLE_ID = i.TABLE_ID and t.NAME like 'test/tab1%'; TABLE_NAME INDEX_NAME MERGE_THRESHOLD test/tab1 PRIMARY 50 test/tab1 index1 40 INSERT INTO tab1 VALUES (1, concat("01", repeat('a',8190))); INSERT INTO tab1 VALUES (2, concat("02", repeat('a',8190))); INSERT INTO tab1 VALUES (3, concat("03", repeat('a',8190))); INSERT INTO tab1 VALUES (4, concat("04", repeat('a',8190))); INSERT INTO tab1 VALUES (5, concat("05", repeat('a',8190))); INSERT INTO tab1 VALUES (6, concat("06", repeat('a',8190))); INSERT INTO tab1 VALUES (7, concat("07", repeat('a',8190))); INSERT INTO tab1 VALUES (8, concat("08", repeat('a',8190))); INSERT INTO tab1 VALUES (9, concat("09", repeat('a',8190))); INSERT INTO tab1 VALUES (10, concat("10", repeat('a',8190))); INSERT INTO tab1 VALUES (22, concat("22", repeat('a',8190))); INSERT INTO tab1 VALUES (23, concat("23", repeat('a',8190))); INSERT INTO tab1 VALUES (24, concat("24", repeat('a',8190))); INSERT INTO tab1 VALUES (25, concat("25", repeat('a',8190))); INSERT INTO tab1 VALUES (26, concat("26", repeat('a',8190))); INSERT INTO tab1 VALUES (27, concat("27", repeat('a',8190))); INSERT INTO tab1 VALUES (28, concat("28", repeat('a',8190))); INSERT INTO tab1 VALUES (29, concat("29", repeat('a',8190))); INSERT INTO tab1 VALUES (30, concat("30", repeat('a',8190))); INSERT INTO tab1 VALUES (31, concat("31", repeat('a',8190))); INSERT INTO tab1 VALUES (32, concat("32", repeat('a',8190))); INSERT INTO tab1 VALUES (33, concat("33", repeat('a',8190))); INSERT INTO tab1 VALUES (11, concat("11", repeat('a',8190))); INSERT INTO tab1 VALUES (12, concat("12", repeat('a',8190))); INSERT INTO tab1 VALUES (13, concat("13", repeat('a',8190))); INSERT INTO tab1 VALUES (14, concat("14", repeat('a',8190))); INSERT INTO tab1 VALUES (15, concat("15", repeat('a',8190))); INSERT INTO tab1 VALUES (16, concat("16", repeat('a',8190))); INSERT INTO tab1 VALUES (17, concat("17", repeat('a',8190))); INSERT INTO tab1 VALUES (18, concat("18", repeat('a',8190))); INSERT INTO tab1 VALUES (19, concat("19", repeat('a',8190))); INSERT INTO tab1 VALUES (20, concat("20", repeat('a',8190))); INSERT INTO tab1 VALUES (21, concat("21", repeat('a',8190))); INSERT INTO tab1 VALUES (34, concat("34", repeat('a',8190))); INSERT INTO tab1 VALUES (35, concat("35", repeat('a',8190))); INSERT INTO tab1 VALUES (36, concat("36", repeat('a',8190))); INSERT INTO tab1 VALUES (37, concat("37", repeat('a',8190))); INSERT INTO tab1 VALUES (38, concat("38", repeat('a',8190))); INSERT INTO tab1 VALUES (39, concat("39", repeat('a',8190))); INSERT INTO tab1 VALUES (40, concat("40", repeat('a',8190))); INSERT INTO tab1 VALUES (41, concat("41", repeat('a',8190))); INSERT INTO tab1 VALUES (42, concat("42", repeat('a',8190))); select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 42 4 2 27 21 28 21 set global innodb_purge_stop_now=ON; delete from tab1 where a = 33; delete from tab1 where a = 34; delete from tab1 where a = 35; delete from tab1 where a = 36; delete from tab1 where a = 37; delete from tab1 where a = 38; delete from tab1 where a = 39; delete from tab1 where a = 40; delete from tab1 where a = 41; delete from tab1 where a = 42; delete from tab1 where a = 12; delete from tab1 where a = 13; delete from tab1 where a = 14; delete from tab1 where a = 15; delete from tab1 where a = 16; delete from tab1 where a = 17; delete from tab1 where a = 18; delete from tab1 where a = 19; delete from tab1 where a = 20; delete from tab1 where a = 21; set global innodb_purge_run_now=ON; # check page merge happens (nothing is expected) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 22 4 2 27 11 28 11 set global innodb_purge_stop_now=ON; delete from tab1 where a = 32; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=50 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 set global innodb_purge_stop_now=ON; delete from tab1 where a = 31; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=45 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 set global innodb_purge_stop_now=ON; delete from tab1 where a = 30; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=40 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 1 index_page_merge_successful 1 DROP TABLE tab1; # compressed table behaves same (MERGE_THRESHOLD=45) CREATE TABLE tab1 (a bigint primary key, b blob) engine=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=8; CREATE INDEX index1 ON tab1(b(750)) COMMENT 'MERGE_THRESHOLD=45'; # check MERGE_THRESHOLD select t.NAME as TABLE_NAME, i.NAME as INDEX_NAME, i.MERGE_THRESHOLD from INFORMATION_SCHEMA.INNODB_SYS_TABLES t, INFORMATION_SCHEMA.INNODB_SYS_INDEXES i where t.TABLE_ID = i.TABLE_ID and t.NAME like 'test/tab1%'; TABLE_NAME INDEX_NAME MERGE_THRESHOLD test/tab1 PRIMARY 50 test/tab1 index1 45 INSERT INTO tab1 VALUES (1, concat("01", repeat('a',8190))); INSERT INTO tab1 VALUES (2, concat("02", repeat('a',8190))); INSERT INTO tab1 VALUES (3, concat("03", repeat('a',8190))); INSERT INTO tab1 VALUES (4, concat("04", repeat('a',8190))); INSERT INTO tab1 VALUES (5, concat("05", repeat('a',8190))); INSERT INTO tab1 VALUES (6, concat("06", repeat('a',8190))); INSERT INTO tab1 VALUES (7, concat("07", repeat('a',8190))); INSERT INTO tab1 VALUES (8, concat("08", repeat('a',8190))); INSERT INTO tab1 VALUES (9, concat("09", repeat('a',8190))); INSERT INTO tab1 VALUES (10, concat("10", repeat('a',8190))); INSERT INTO tab1 VALUES (22, concat("22", repeat('a',8190))); INSERT INTO tab1 VALUES (23, concat("23", repeat('a',8190))); INSERT INTO tab1 VALUES (24, concat("24", repeat('a',8190))); INSERT INTO tab1 VALUES (25, concat("25", repeat('a',8190))); INSERT INTO tab1 VALUES (26, concat("26", repeat('a',8190))); INSERT INTO tab1 VALUES (27, concat("27", repeat('a',8190))); INSERT INTO tab1 VALUES (28, concat("28", repeat('a',8190))); INSERT INTO tab1 VALUES (29, concat("29", repeat('a',8190))); INSERT INTO tab1 VALUES (30, concat("30", repeat('a',8190))); INSERT INTO tab1 VALUES (31, concat("31", repeat('a',8190))); INSERT INTO tab1 VALUES (32, concat("32", repeat('a',8190))); INSERT INTO tab1 VALUES (33, concat("33", repeat('a',8190))); INSERT INTO tab1 VALUES (11, concat("11", repeat('a',8190))); INSERT INTO tab1 VALUES (12, concat("12", repeat('a',8190))); INSERT INTO tab1 VALUES (13, concat("13", repeat('a',8190))); INSERT INTO tab1 VALUES (14, concat("14", repeat('a',8190))); INSERT INTO tab1 VALUES (15, concat("15", repeat('a',8190))); INSERT INTO tab1 VALUES (16, concat("16", repeat('a',8190))); INSERT INTO tab1 VALUES (17, concat("17", repeat('a',8190))); INSERT INTO tab1 VALUES (18, concat("18", repeat('a',8190))); INSERT INTO tab1 VALUES (19, concat("19", repeat('a',8190))); INSERT INTO tab1 VALUES (20, concat("20", repeat('a',8190))); INSERT INTO tab1 VALUES (21, concat("21", repeat('a',8190))); INSERT INTO tab1 VALUES (34, concat("34", repeat('a',8190))); INSERT INTO tab1 VALUES (35, concat("35", repeat('a',8190))); INSERT INTO tab1 VALUES (36, concat("36", repeat('a',8190))); INSERT INTO tab1 VALUES (37, concat("37", repeat('a',8190))); INSERT INTO tab1 VALUES (38, concat("38", repeat('a',8190))); INSERT INTO tab1 VALUES (39, concat("39", repeat('a',8190))); INSERT INTO tab1 VALUES (40, concat("40", repeat('a',8190))); INSERT INTO tab1 VALUES (41, concat("41", repeat('a',8190))); INSERT INTO tab1 VALUES (42, concat("42", repeat('a',8190))); select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 42 4 2 27 21 28 21 set global innodb_purge_stop_now=ON; delete from tab1 where a = 33; delete from tab1 where a = 34; delete from tab1 where a = 35; delete from tab1 where a = 36; delete from tab1 where a = 37; delete from tab1 where a = 38; delete from tab1 where a = 39; delete from tab1 where a = 40; delete from tab1 where a = 41; delete from tab1 where a = 42; delete from tab1 where a = 12; delete from tab1 where a = 13; delete from tab1 where a = 14; delete from tab1 where a = 15; delete from tab1 where a = 16; delete from tab1 where a = 17; delete from tab1 where a = 18; delete from tab1 where a = 19; delete from tab1 where a = 20; delete from tab1 where a = 21; set global innodb_purge_run_now=ON; # check page merge happens (nothing is expected) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 select PAGE_NUMBER, NUMBER_RECORDS from INFORMATION_SCHEMA.INNODB_SYS_TABLESPACES s1, INFORMATION_SCHEMA.INNODB_BUFFER_PAGE s2 where s1.SPACE = s2.SPACE AND NAME like 'test/tab1%' and PAGE_TYPE = "INDEX" order by PAGE_NUMBER, NUMBER_RECORDS; PAGE_NUMBER NUMBER_RECORDS 3 22 4 2 27 11 28 11 set global innodb_purge_stop_now=ON; delete from tab1 where a = 32; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=50 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 0 index_page_merge_successful 0 set global innodb_purge_stop_now=ON; delete from tab1 where a = 31; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=45 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 1 index_page_merge_successful 1 set global innodb_purge_stop_now=ON; delete from tab1 where a = 30; set global innodb_purge_run_now=ON; # check page merge happens (MERGE_THRESHOLD=40 causes merge here) SELECT name,count_reset FROM information_schema.innodb_metrics WHERE name like 'index_page_merge_%'; name count_reset index_page_merge_attempts 2 index_page_merge_successful 2 DROP TABLE tab1;
Close