Server IP : 172.67.216.182 / Your IP : 172.70.147.88 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/perfschema/r/ |
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drop schema if exists test1; drop table if exists test.t1; create schema test1; create table test.t1 (col1 bigint, col2 varchar(30)) engine = myisam; insert into test.t1 values(1,'One'); create table test1.t2 like test.t1; show create table test.t1; Table Create Table t1 CREATE TABLE `t1` ( `col1` bigint(20) DEFAULT NULL, `col2` varchar(30) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 show create table test1.t2; Table Create Table t2 CREATE TABLE `t2` ( `col1` bigint(20) DEFAULT NULL, `col2` varchar(30) DEFAULT NULL ) ENGINE=MyISAM DEFAULT CHARSET=latin1 drop table if exists test.marker; create table test.marker(a int); update performance_schema.setup_consumers set enabled='NO'; update performance_schema.setup_instruments set enabled='NO'; update performance_schema.setup_instruments set enabled='YES' where name like "wait/io/table/%"; truncate table performance_schema.events_waits_history_long; flush status; flush tables; update performance_schema.setup_consumers set enabled = 'YES'; insert into test1.t2 select * from test.t1; insert into marker set a = 1; select * from test.t1 natural join test1.t2; col1 col2 1 One insert into marker set a = 1; select * from test.t1 where col2 = (select col2 from test1.t2 where test.t1.col1 = test1.t2.col1); col1 col2 1 One insert into marker set a = 1; update test.t1 AS a natural join test1.t2 AS b SET a.col2 = 'updated' , b.col2 = 'updated'; insert into marker set a = 1; delete from test.t1, test1.t2 using test.t1 inner join test1.t2 where test.t1.col1 = test1.t2.col1; update performance_schema.setup_consumers set enabled='NO'; select event_name, left(source, locate(":", source)) as short_source, object_type, object_schema, if (locate("#sql-", object_name), "#sql-XXXX", object_name) as pretty_name, operation, number_of_bytes from performance_schema.events_waits_history_long where event_name like 'wait/io/table/%' and object_schema in ('test','test1') order by thread_id, event_id; event_name short_source object_type object_schema pretty_name operation number_of_bytes wait/io/table/sql/handler TABLE test t1 fetch 1 wait/io/table/sql/handler TABLE test1 t2 insert 1 wait/io/table/sql/handler TABLE test marker insert 1 wait/io/table/sql/handler TABLE test t1 fetch 1 wait/io/table/sql/handler TABLE test1 t2 fetch 1 wait/io/table/sql/handler TABLE test marker insert 1 wait/io/table/sql/handler TABLE test t1 fetch 1 wait/io/table/sql/handler TABLE test1 t2 fetch 1 wait/io/table/sql/handler TABLE test marker insert 1 wait/io/table/sql/handler TABLE test t1 fetch 1 wait/io/table/sql/handler TABLE test1 t2 fetch 1 wait/io/table/sql/handler TABLE test t1 update 1 wait/io/table/sql/handler TABLE test1 t2 fetch 1 wait/io/table/sql/handler TABLE test1 t2 update 1 wait/io/table/sql/handler TABLE test marker insert 1 wait/io/table/sql/handler TABLE test t1 fetch 1 wait/io/table/sql/handler TABLE test1 t2 fetch 1 wait/io/table/sql/handler TABLE test t1 delete 1 wait/io/table/sql/handler TABLE test1 t2 delete 1 show global status like 'performance_schema_%'; Variable_name Value Performance_schema_accounts_lost 0 Performance_schema_cond_classes_lost 0 Performance_schema_cond_instances_lost 0 Performance_schema_digest_lost 0 Performance_schema_file_classes_lost 0 Performance_schema_file_handles_lost 0 Performance_schema_file_instances_lost 0 Performance_schema_hosts_lost 0 Performance_schema_index_stat_lost 0 Performance_schema_locker_lost 0 Performance_schema_memory_classes_lost 0 Performance_schema_metadata_lock_lost 0 Performance_schema_mutex_classes_lost 0 Performance_schema_mutex_instances_lost 0 Performance_schema_nested_statement_lost 0 Performance_schema_prepared_statements_lost 0 Performance_schema_program_lost 0 Performance_schema_rwlock_classes_lost 0 Performance_schema_rwlock_instances_lost 0 Performance_schema_session_connect_attrs_lost 0 Performance_schema_socket_classes_lost 0 Performance_schema_socket_instances_lost 0 Performance_schema_stage_classes_lost 0 Performance_schema_statement_classes_lost 0 Performance_schema_table_handles_lost 0 Performance_schema_table_instances_lost 0 Performance_schema_table_lock_stat_lost 0 Performance_schema_thread_classes_lost 0 Performance_schema_thread_instances_lost 0 Performance_schema_users_lost 0 truncate performance_schema.events_waits_history_long; flush status; drop table test.t1; drop schema test1; update performance_schema.setup_consumers set enabled='NO'; truncate performance_schema.events_waits_history_long; drop table test.marker; flush status; update performance_schema.setup_instruments set enabled='YES'; update performance_schema.setup_consumers set enabled='YES';