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MDEV-7324 - Lock-free hash for table definition cache

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This commit is contained in:
Sergey Vojtovich
2014-12-28 19:42:17 +04:00
parent 8883c54ac0
commit 6dbc48ca79
22 changed files with 911 additions and 773 deletions
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14
mysql-test/suite/perfschema/r/func_mutex.result
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@ -5,9 +5,9 @@ WHERE name LIKE 'wait/synch/mutex/%'
truncate table performance_schema.events_statements_summary_by_digest;
flush status;
select NAME from performance_schema.mutex_instances
where NAME = 'wait/synch/mutex/sql/TABLE_SHARE::tdc.LOCK_table_share' GROUP BY NAME;
where NAME = 'wait/synch/mutex/mysys/THR_LOCK::mutex' GROUP BY NAME;
NAME
wait/synch/mutex/sql/TABLE_SHARE::tdc.LOCK_table_share
wait/synch/mutex/mysys/THR_LOCK::mutex
select NAME from performance_schema.rwlock_instances
where NAME = 'wait/synch/rwlock/sql/LOCK_grant';
NAME
@ -24,7 +24,7 @@ id b
1 initial value
SET @before_count = (SELECT SUM(TIMER_WAIT)
FROM performance_schema.events_waits_history_long
WHERE (EVENT_NAME = 'wait/synch/mutex/sql/TABLE_SHARE::tdc.LOCK_table_share'));
WHERE (EVENT_NAME = 'wait/synch/mutex/mysys/THR_LOCK::mutex'));
SELECT * FROM t1;
id b
1 initial value
@ -37,12 +37,12 @@ id b
8 initial value
SET @after_count = (SELECT SUM(TIMER_WAIT)
FROM performance_schema.events_waits_history_long
WHERE (EVENT_NAME = 'wait/synch/mutex/sql/TABLE_SHARE::tdc.LOCK_table_share'));
WHERE (EVENT_NAME = 'wait/synch/mutex/mysys/THR_LOCK::mutex'));
SELECT IF((@after_count - @before_count) > 0, 'Success', 'Failure') test_fm1_timed;
test_fm1_timed
Success
UPDATE performance_schema.setup_instruments SET enabled = 'NO'
WHERE NAME = 'wait/synch/mutex/sql/TABLE_SHARE::tdc.LOCK_table_share';
WHERE NAME = 'wait/synch/mutex/mysys/THR_LOCK::mutex';
TRUNCATE TABLE performance_schema.events_waits_history_long;
TRUNCATE TABLE performance_schema.events_waits_history;
TRUNCATE TABLE performance_schema.events_waits_current;
@ -51,7 +51,7 @@ id b
1 initial value
SET @before_count = (SELECT SUM(TIMER_WAIT)
FROM performance_schema.events_waits_history_long
WHERE (EVENT_NAME = 'wait/synch/mutex/sql/TABLE_SHARE::tdc.LOCK_table_share'));
WHERE (EVENT_NAME = 'wait/synch/mutex/mysys/THR_LOCK::mutex'));
SELECT * FROM t1;
id b
1 initial value
@ -64,7 +64,7 @@ id b
8 initial value
SET @after_count = (SELECT SUM(TIMER_WAIT)
FROM performance_schema.events_waits_history_long
WHERE (EVENT_NAME = 'wait/synch/mutex/sql/TABLE_SHARE::tdc.LOCK_table_share'));
WHERE (EVENT_NAME = 'wait/synch/mutex/mysys/THR_LOCK::mutex'));
SELECT IF((COALESCE(@after_count, 0) - COALESCE(@before_count, 0)) = 0, 'Success', 'Failure') test_fm2_timed;
test_fm2_timed
Success