| Server IP : 104.21.38.3 / Your IP : 162.158.190.30 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_rollback_segments; SELECT @start_global_value; @start_global_value 128 Valid values are zero or above SELECT @@global.innodb_rollback_segments >=0; @@global.innodb_rollback_segments >=0 1 SELECT @@global.innodb_rollback_segments <=128; @@global.innodb_rollback_segments <=128 1 SELECT @@global.innodb_rollback_segments; @@global.innodb_rollback_segments 128 SELECT @@session.innodb_rollback_segments; ERROR HY000: Variable 'innodb_rollback_segments' is a GLOBAL variable SHOW global variables LIKE 'innodb_rollback_segments'; Variable_name Value innodb_rollback_segments 128 SHOW session variables LIKE 'innodb_rollback_segments'; Variable_name Value innodb_rollback_segments 128 SELECT * FROM information_schema.global_variables WHERE variable_name='innodb_rollback_segments'; VARIABLE_NAME VARIABLE_VALUE INNODB_ROLLBACK_SEGMENTS 128 SELECT * FROM information_schema.session_variables WHERE variable_name='innodb_rollback_segments'; VARIABLE_NAME VARIABLE_VALUE INNODB_ROLLBACK_SEGMENTS 128 SET global innodb_rollback_segments=100; SELECT @@global.innodb_rollback_segments; @@global.innodb_rollback_segments 100 SELECT * FROM information_schema.global_variables WHERE variable_name='innodb_rollback_segments'; VARIABLE_NAME VARIABLE_VALUE INNODB_ROLLBACK_SEGMENTS 100 SELECT * FROM information_schema.session_variables WHERE variable_name='innodb_rollback_segments'; VARIABLE_NAME VARIABLE_VALUE INNODB_ROLLBACK_SEGMENTS 100 SET session innodb_rollback_segments=1; ERROR HY000: Variable 'innodb_rollback_segments' is a GLOBAL variable and should be set with SET GLOBAL SET global innodb_rollback_segments=1.1; ERROR 42000: Incorrect argument type to variable 'innodb_rollback_segments' SET global innodb_rollback_segments=1e1; ERROR 42000: Incorrect argument type to variable 'innodb_rollback_segments' SET global innodb_rollback_segments="foo"; ERROR 42000: Incorrect argument type to variable 'innodb_rollback_segments' SET global innodb_rollback_segments=-7; Warnings: Warning 1292 Truncated incorrect innodb_rollback_segments value: '-7' SELECT @@global.innodb_rollback_segments; @@global.innodb_rollback_segments 1 SELECT * FROM information_schema.global_variables WHERE variable_name='innodb_rollback_segments'; VARIABLE_NAME VARIABLE_VALUE INNODB_ROLLBACK_SEGMENTS 1 SET @@global.innodb_rollback_segments = @start_global_value; SELECT @@global.innodb_rollback_segments; @@global.innodb_rollback_segments 128