mirror of
https://github.com/MariaDB/server.git
synced 2025-08-08 11:22:35 +03:00
Merge branch '10.5' into 10.6
This commit is contained in:
54
mysql-test/suite/innodb/r/mon_lock_wait_current_count.result
Normal file
54
mysql-test/suite/innodb/r/mon_lock_wait_current_count.result
Normal file
@@ -0,0 +1,54 @@
|
||||
connect prevent_purge,localhost,root,,;
|
||||
START TRANSACTION WITH CONSISTENT SNAPSHOT;
|
||||
connection default;
|
||||
SET GLOBAL innodb_monitor_disable='lock_row_lock_time_avg';
|
||||
CREATE TABLE `t` (a INT PRIMARY KEY) engine=InnoDB STATS_PERSISTENT=0;
|
||||
INSERT INTO t VALUES (5);
|
||||
SELECT name, count FROM information_schema.innodb_metrics
|
||||
WHERE name ='lock_row_lock_current_waits';
|
||||
name count
|
||||
lock_row_lock_current_waits 0
|
||||
connect con1,localhost,root,,;
|
||||
BEGIN;
|
||||
SELECT * FROM t FOR UPDATE;
|
||||
a
|
||||
5
|
||||
connect con2,localhost,root,,;
|
||||
SET DEBUG_SYNC="lock_wait_before_suspend SIGNAL blocked WAIT_FOR cont";
|
||||
BEGIN;
|
||||
SELECT * FROM t FOR UPDATE;
|
||||
connection default;
|
||||
SET DEBUG_SYNC="now WAIT_FOR blocked";
|
||||
SELECT name, count FROM information_schema.innodb_metrics
|
||||
WHERE name ='lock_row_lock_current_waits';
|
||||
name count
|
||||
lock_row_lock_current_waits 1
|
||||
SET GLOBAL innodb_monitor_disable='lock_row_lock_current_waits';
|
||||
SET GLOBAL innodb_monitor_reset_all='lock_row_lock_current_waits';
|
||||
SET GLOBAL innodb_monitor_enable='lock_row_lock_current_waits';
|
||||
SELECT name, count FROM information_schema.innodb_metrics
|
||||
WHERE name ='lock_row_lock_current_waits';
|
||||
name count
|
||||
lock_row_lock_current_waits 1
|
||||
SET DEBUG_SYNC="now SIGNAL cont";
|
||||
disconnect con1;
|
||||
connection con2;
|
||||
a
|
||||
5
|
||||
COMMIT;
|
||||
disconnect con2;
|
||||
connection default;
|
||||
SET DEBUG_SYNC="reset";
|
||||
SELECT name, count FROM information_schema.innodb_metrics
|
||||
WHERE name ='lock_row_lock_current_waits';
|
||||
name count
|
||||
lock_row_lock_current_waits 0
|
||||
DROP TABLE `t`;
|
||||
SET GLOBAL innodb_monitor_disable='lock_row_lock_current_waits';
|
||||
SET GLOBAL innodb_monitor_reset_all='lock_row_lock_current_waits';
|
||||
SET GLOBAL innodb_monitor_enable='lock_row_lock_current_waits';
|
||||
SET GLOBAL innodb_monitor_enable='lock_row_lock_time_avg';
|
||||
SET GLOBAL innodb_monitor_disable=default;
|
||||
SET GLOBAL innodb_monitor_reset_all=default;
|
||||
SET GLOBAL innodb_monitor_enable=default;
|
||||
disconnect prevent_purge;
|
Reference in New Issue
Block a user