| Server IP : 172.67.216.182 / Your IP : 172.70.189.143 Web Server : Apache System : Linux krdc-ubuntu-s-2vcpu-4gb-amd-blr1-01.localdomain 5.15.0-142-generic #152-Ubuntu SMP Mon May 19 10:54:31 UTC 2025 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /www/server/mysql/src/mysql-test/suite/innodb/r/ |
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SET GLOBAL innodb_stats_persistent_sample_pages=17; CREATE TABLE test_ps_sample_pages_used ( a VARCHAR(512), PRIMARY KEY (a) ) ENGINE=INNODB STATS_SAMPLE_PAGES=default; BEGIN; COMMIT; ANALYZE TABLE test_ps_sample_pages_used; Table Op Msg_type Msg_text test.test_ps_sample_pages_used analyze status OK SELECT stat_name, stat_value FROM mysql.innodb_index_stats WHERE table_name='test_ps_sample_pages_used' AND stat_name='n_leaf_pages'; stat_name stat_value n_leaf_pages 37 SELECT sample_size FROM mysql.innodb_index_stats WHERE table_name='test_ps_sample_pages_used' AND stat_name='n_diff_pfx01'; sample_size 17 ALTER TABLE test_ps_sample_pages_used STATS_SAMPLE_PAGES=14; ANALYZE TABLE test_ps_sample_pages_used; Table Op Msg_type Msg_text test.test_ps_sample_pages_used analyze status OK SELECT sample_size FROM mysql.innodb_index_stats WHERE table_name='test_ps_sample_pages_used' AND stat_name='n_diff_pfx01'; sample_size 14 DROP TABLE test_ps_sample_pages_used; SET GLOBAL innodb_stats_persistent_sample_pages=default;