mirror of
https://github.com/MariaDB/server.git
synced 2025-01-20 05:52:27 +01:00
7dd4600850
Removed table SETUP_OBJECTS.
Renamed table PROCESSLIST to THREADS.
Renamed table EVENTS_WAITS_SUMMARY_BY_EVENT_NAME
to EVENTS_WAITS_SUMMARY_GLOBAL_BY_EVENT_NAME.
Adjusted Makefiles, code and tests accordingly.
117 lines
4.7 KiB
Text
117 lines
4.7 KiB
Text
UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'NO', timed = 'YES';
|
|
UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'YES'
|
|
WHERE name LIKE 'wait/io/file/%';
|
|
DROP TABLE IF EXISTS t1;
|
|
CREATE TABLE t1 (id INT PRIMARY KEY, b CHAR(100) DEFAULT 'initial value')
|
|
ENGINE=MyISAM;
|
|
INSERT INTO t1 (id) VALUES (1), (2), (3), (4), (5), (6), (7), (8);
|
|
TRUNCATE TABLE performance_schema.EVENTS_WAITS_HISTORY_LONG;
|
|
TRUNCATE TABLE performance_schema.EVENTS_WAITS_HISTORY;
|
|
TRUNCATE TABLE performance_schema.EVENTS_WAITS_CURRENT;
|
|
SELECT * FROM t1 WHERE id = 1;
|
|
id b
|
|
1 initial value
|
|
SET @before_count = (SELECT SUM(TIMER_WAIT)
|
|
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
|
|
WHERE (EVENT_NAME = 'wait/io/file/myisam/dfile')
|
|
AND (OBJECT_NAME LIKE '%t1.MYD'));
|
|
SELECT IF(@before_count > 0, 'Success', 'Failure') has_instrumentation;
|
|
has_instrumentation
|
|
Success
|
|
SELECT * FROM t1 WHERE id < 4;
|
|
id b
|
|
1 initial value
|
|
2 initial value
|
|
3 initial value
|
|
SET @after_count = (SELECT SUM(TIMER_WAIT)
|
|
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
|
|
WHERE (EVENT_NAME = 'wait/io/file/myisam/dfile')
|
|
AND (OBJECT_NAME LIKE '%t1.MYD') AND (1 = 1));
|
|
SELECT IF((@after_count - @before_count) > 0, 'Success', 'Failure') test_ff1_timed;
|
|
test_ff1_timed
|
|
Success
|
|
UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled='NO';
|
|
SET @before_count = (SELECT SUM(TIMER_WAIT)
|
|
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
|
|
WHERE (EVENT_NAME = 'wait/io/file/myisam/dfile')
|
|
AND (OBJECT_NAME LIKE '%t1.MYD') AND (2 = 2));
|
|
SELECT * FROM t1 WHERE id < 6;
|
|
id b
|
|
1 initial value
|
|
2 initial value
|
|
3 initial value
|
|
4 initial value
|
|
5 initial value
|
|
SET @after_count = (SELECT SUM(TIMER_WAIT)
|
|
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
|
|
WHERE (EVENT_NAME = 'wait/io/file/myisam/dfile')
|
|
AND (OBJECT_NAME LIKE '%t1.MYD') AND (3 = 3));
|
|
SELECT IF((COALESCE(@after_count, 0) - COALESCE(@before_count, 0)) = 0, 'Success', 'Failure') test_ff2_timed;
|
|
test_ff2_timed
|
|
Success
|
|
UPDATE performance_schema.SETUP_INSTRUMENTS SET enabled = 'YES'
|
|
WHERE name LIKE 'wait/io/file/%';
|
|
UPDATE performance_schema.SETUP_INSTRUMENTS SET timed = 'NO';
|
|
TRUNCATE TABLE performance_schema.EVENTS_WAITS_HISTORY_LONG;
|
|
TRUNCATE TABLE performance_schema.EVENTS_WAITS_HISTORY;
|
|
TRUNCATE TABLE performance_schema.EVENTS_WAITS_CURRENT;
|
|
SELECT * FROM t1 WHERE id > 4;
|
|
id b
|
|
5 initial value
|
|
6 initial value
|
|
7 initial value
|
|
8 initial value
|
|
SELECT * FROM performance_schema.EVENTS_WAITS_HISTORY_LONG
|
|
WHERE TIMER_WAIT != NULL
|
|
OR TIMER_START != NULL
|
|
OR TIMER_END != NULL;
|
|
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
|
|
SELECT * FROM performance_schema.EVENTS_WAITS_HISTORY
|
|
WHERE TIMER_WAIT != NULL
|
|
OR TIMER_START != NULL
|
|
OR TIMER_END != NULL;
|
|
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
|
|
SELECT * FROM performance_schema.EVENTS_WAITS_CURRENT
|
|
WHERE TIMER_WAIT != NULL
|
|
OR TIMER_START != NULL
|
|
OR TIMER_END != NULL;
|
|
THREAD_ID EVENT_ID EVENT_NAME SOURCE TIMER_START TIMER_END TIMER_WAIT SPINS OBJECT_SCHEMA OBJECT_NAME OBJECT_TYPE OBJECT_INSTANCE_BEGIN NESTING_EVENT_ID OPERATION NUMBER_OF_BYTES FLAGS
|
|
UPDATE performance_schema.SETUP_INSTRUMENTS SET timed = 'YES';
|
|
SELECT * FROM t1 WHERE id < 4;
|
|
id b
|
|
1 initial value
|
|
2 initial value
|
|
3 initial value
|
|
DROP TABLE t1;
|
|
SELECT SUM(COUNT_READ) AS sum_count_read,
|
|
SUM(COUNT_WRITE) AS sum_count_write,
|
|
SUM(SUM_NUMBER_OF_BYTES_READ) AS sum_num_bytes_read,
|
|
SUM(SUM_NUMBER_OF_BYTES_WRITE) AS sum_num_bytes_write
|
|
FROM performance_schema.FILE_SUMMARY_BY_INSTANCE
|
|
WHERE FILE_NAME LIKE CONCAT('%', @@tmpdir, '%') ORDER BY NULL;
|
|
SELECT EVENT_NAME, COUNT_STAR, AVG_TIMER_WAIT, SUM_TIMER_WAIT
|
|
FROM performance_schema.EVENTS_WAITS_SUMMARY_GLOBAL_BY_EVENT_NAME
|
|
WHERE COUNT_STAR > 0
|
|
ORDER BY SUM_TIMER_WAIT DESC
|
|
LIMIT 10;
|
|
SELECT i.user, SUM(TIMER_WAIT) SUM_WAIT
|
|
# ((TIME_TO_SEC(TIMEDIFF(NOW(), i.startup_time)) * 1000) / SUM(TIMER_WAIT)) * 100 WAIT_PERCENTAGE
|
|
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG h
|
|
INNER JOIN performance_schema.THREADS p USING (THREAD_ID)
|
|
LEFT JOIN information_schema.PROCESSLIST i USING (ID)
|
|
GROUP BY i.user
|
|
ORDER BY SUM_WAIT DESC
|
|
LIMIT 20;
|
|
SELECT h.EVENT_NAME, SUM(h.TIMER_WAIT) TOTAL_WAIT
|
|
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG h
|
|
INNER JOIN performance_schema.THREADS p USING (THREAD_ID)
|
|
WHERE p.ID = 1
|
|
GROUP BY h.EVENT_NAME
|
|
HAVING TOTAL_WAIT > 0;
|
|
SELECT i.user, h.operation, SUM(NUMBER_OF_BYTES) bytes
|
|
FROM performance_schema.EVENTS_WAITS_HISTORY_LONG h
|
|
INNER JOIN performance_schema.THREADS p USING (THREAD_ID)
|
|
LEFT JOIN information_schema.PROCESSLIST i USING (ID)
|
|
GROUP BY i.user, h.operation
|
|
HAVING BYTES > 0
|
|
ORDER BY i.user, h.operation;
|