| Server IP : 104.21.38.3 / Your IP : 172.68.164.12 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_undo/r/ |
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# Stop DB server which was created by MTR default # create bootstrap file # Run the bootstrap command with 2 undo tablespaces # Start the DB server with 2 undo tablespaces # restart: --datadir=MYSQLD_DATADIR1 --innodb_undo_tablespaces=2 CREATE TABLE t1 (keyc INT, c1 CHAR(100), c2 CHAR(100), PRIMARY KEY(keyc))ENGINE=INNODB; CREATE PROCEDURE populate_t1() BEGIN DECLARE i INT DEFAULT 1; while (i <= 40000) DO insert into t1 values (i, 'a', 'b'); SET i = i + 1; END WHILE; END | BEGIN; CALL populate_t1(); DELETE FROM t1 WHERE keyc < 20000; UPDATE t1 SET c1 = 'mysql' WHERE keyc > 20000; UPDATE t1 SET c1 = 'oracle' WHERE keyc > 20000; COMMIT; DROP TABLE t1; DROP PROCEDURE populate_t1; # Read the file size of undo tablespace before truncation SET GLOBAL innodb_fast_shutdown=0; # restart: --innodb-page-size=page_size # Read the file size of undo tablespace after truncation