| Server IP : 104.21.38.3 / Your IP : 162.158.171.9 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/t/ |
Upload File : |
#
# WL#6965: Truncate UNDO logs.
#
--source include/have_innodb_max_16k.inc
--source include/have_undo_tablespaces.inc
# The test is restarting the server to force undo truncation.
--source include/not_embedded.inc
--source include/big_test.inc
--let $restart_parameters="restart: --innodb_undo_tablespaces=2 --innodb_rollback_segments=35"
--source include/restart_mysqld.inc
################################################################################
# Test-case will test following scenarios.
#
# 1. Perform enough DML action so that undo tablespace size grows beyond
# set threshold and then wait and see if it is being truncated.
#
################################################################################
#-----------------------------------------------------------------------------
#
# create test-bed
#
let MYSQLD_DATADIR = `select @@datadir`;
#-----------------------------------------------------------------------------
#
# 1. Perform enough DML action so that undo tablespace size grows beyond
# set threshold and then wait and see if it is being truncated.
#
create table t1
(keyc int, c1 char(100), c2 char(100),
primary key(keyc)) engine = innodb;
delimiter |;
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 |
delimiter ;|
begin;
call populate_t1();
delete from t1 where keyc < 20000;
update t1 set c1 = 'mysql' where keyc > 20000;
update t1 set c2 = 'oracle' where keyc > 20000;
#
commit;
drop table t1;
drop PROCEDURE populate_t1;
let CHECKFILE = $MYSQLTEST_VARDIR/log/check.txt;
perl;
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size1)
= stat("$ENV{MYSQLD_DATADIR}/undo001");
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size2)
= stat("$ENV{MYSQLD_DATADIR}/undo002");
open(OUT, ">$ENV{CHECKFILE}") || die;
print OUT "let \$size1='$size1,$size2';\n";
close(OUT);
EOF
SET GLOBAL innodb_fast_shutdown=0;
--source include/shutdown_mysqld.inc
--source $CHECKFILE
perl;
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size1)
= stat("$ENV{MYSQLD_DATADIR}/undo001");
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size2)
= stat("$ENV{MYSQLD_DATADIR}/undo002");
open(OUT, ">$ENV{CHECKFILE}") || die;
print OUT "let \$size2='$size1,$size2';\n";
close(OUT);
EOF
--source $CHECKFILE
if ($size1 == $size2)
{
echo Truncation did not happen: $size1 == $size2;
}
--let $restart_parameters=
--source include/start_mysqld.inc