mirror of
https://github.com/MariaDB/server.git
synced 2025-07-24 12:14:59 +02:00
49 lines
1.5 KiB
Text
49 lines
1.5 KiB
Text
connect con1, localhost, root, , ;
|
|
connect con2, localhost, root, , ;
|
|
connect con3, localhost, root, , ;
|
|
connection default;
|
|
update performance_schema.setup_instruments set enabled='YES'
|
|
where name like "wait/synch/mutex/mysys/THR_LOCK_myisam";
|
|
drop table if exists test.t1;
|
|
drop table if exists test.t2;
|
|
drop table if exists test.t3;
|
|
truncate table performance_schema.events_waits_history_long;
|
|
show global variables like "thread_handling";
|
|
Variable_name Value
|
|
thread_handling one-thread-per-connection
|
|
connection con1;
|
|
create table test.t1(a int) engine=MYISAM;
|
|
connection con2;
|
|
create table test.t2(a int) engine=MYISAM;
|
|
connection con3;
|
|
create table test.t3(a int) engine=MYISAM;
|
|
connection default;
|
|
execute stmt_dump_events using @tid;
|
|
event_name short_source operation number_of_bytes
|
|
wait/synch/mutex/mysys/THR_LOCK_myisam lock NULL
|
|
execute stmt_dump_thread using @tid;
|
|
name
|
|
thread/sql/one_connection
|
|
execute stmt_dump_events using @tid;
|
|
event_name short_source operation number_of_bytes
|
|
wait/synch/mutex/mysys/THR_LOCK_myisam lock NULL
|
|
execute stmt_dump_thread using @tid;
|
|
name
|
|
thread/sql/one_connection
|
|
execute stmt_dump_events using @tid;
|
|
event_name short_source operation number_of_bytes
|
|
wait/synch/mutex/mysys/THR_LOCK_myisam lock NULL
|
|
execute stmt_dump_thread using @tid;
|
|
name
|
|
thread/sql/one_connection
|
|
drop table test.t1;
|
|
drop table test.t2;
|
|
drop table test.t3;
|
|
update performance_schema.setup_instruments set enabled='YES';
|
|
connection con1;
|
|
disconnect con1;
|
|
connection con2;
|
|
disconnect con2;
|
|
connection con3;
|
|
disconnect con3;
|
|
connection default;
|