| Server IP : 172.67.216.182 / Your IP : 172.68.164.99 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/sys_vars/r/ |
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SET @start_global_value = @@global.innodb_old_blocks_pct; SELECT @start_global_value; @start_global_value 37 Valid values are between 5 and 95 select @@global.innodb_old_blocks_pct between 5 and 95; @@global.innodb_old_blocks_pct between 5 and 95 1 select @@global.innodb_old_blocks_pct; @@global.innodb_old_blocks_pct 37 select @@session.innodb_old_blocks_pct; ERROR HY000: Variable 'innodb_old_blocks_pct' is a GLOBAL variable show global variables like 'innodb_old_blocks_pct'; Variable_name Value innodb_old_blocks_pct 37 show session variables like 'innodb_old_blocks_pct'; Variable_name Value innodb_old_blocks_pct 37 select * from information_schema.global_variables where variable_name='innodb_old_blocks_pct'; VARIABLE_NAME VARIABLE_VALUE INNODB_OLD_BLOCKS_PCT 37 select * from information_schema.session_variables where variable_name='innodb_old_blocks_pct'; VARIABLE_NAME VARIABLE_VALUE INNODB_OLD_BLOCKS_PCT 37 set global innodb_old_blocks_pct=10; select @@global.innodb_old_blocks_pct; @@global.innodb_old_blocks_pct 10 select * from information_schema.global_variables where variable_name='innodb_old_blocks_pct'; VARIABLE_NAME VARIABLE_VALUE INNODB_OLD_BLOCKS_PCT 10 select * from information_schema.session_variables where variable_name='innodb_old_blocks_pct'; VARIABLE_NAME VARIABLE_VALUE INNODB_OLD_BLOCKS_PCT 10 set session innodb_old_blocks_pct=1; ERROR HY000: Variable 'innodb_old_blocks_pct' is a GLOBAL variable and should be set with SET GLOBAL set @@global.innodb_old_blocks_pct=DEFAULT; select @@global.innodb_old_blocks_pct; @@global.innodb_old_blocks_pct 37 set global innodb_old_blocks_pct=1.1; ERROR 42000: Incorrect argument type to variable 'innodb_old_blocks_pct' set global innodb_old_blocks_pct=1e1; ERROR 42000: Incorrect argument type to variable 'innodb_old_blocks_pct' set global innodb_old_blocks_pct="foo"; ERROR 42000: Incorrect argument type to variable 'innodb_old_blocks_pct' set global innodb_old_blocks_pct=" "; ERROR 42000: Incorrect argument type to variable 'innodb_old_blocks_pct' set global innodb_old_blocks_pct=''; ERROR 42000: Incorrect argument type to variable 'innodb_old_blocks_pct' set global innodb_old_blocks_pct=4; Warnings: Warning 1292 Truncated incorrect innodb_old_blocks_pct value: '4' select @@global.innodb_old_blocks_pct; @@global.innodb_old_blocks_pct 5 select * from information_schema.global_variables where variable_name='innodb_old_blocks_pct'; VARIABLE_NAME VARIABLE_VALUE INNODB_OLD_BLOCKS_PCT 5 set global innodb_old_blocks_pct=-7; Warnings: Warning 1292 Truncated incorrect innodb_old_blocks_pct value: '-7' select @@global.innodb_old_blocks_pct; @@global.innodb_old_blocks_pct 5 select * from information_schema.global_variables where variable_name='innodb_old_blocks_pct'; VARIABLE_NAME VARIABLE_VALUE INNODB_OLD_BLOCKS_PCT 5 set global innodb_old_blocks_pct=96; Warnings: Warning 1292 Truncated incorrect innodb_old_blocks_pct value: '96' select @@global.innodb_old_blocks_pct; @@global.innodb_old_blocks_pct 95 select * from information_schema.global_variables where variable_name='innodb_old_blocks_pct'; VARIABLE_NAME VARIABLE_VALUE INNODB_OLD_BLOCKS_PCT 95 set global innodb_old_blocks_pct=5; select @@global.innodb_old_blocks_pct; @@global.innodb_old_blocks_pct 5 set global innodb_old_blocks_pct=95; select @@global.innodb_old_blocks_pct; @@global.innodb_old_blocks_pct 95 SET @@global.innodb_old_blocks_pct = @start_global_value; SELECT @@global.innodb_old_blocks_pct; @@global.innodb_old_blocks_pct 37