include/rpl_init.inc [topology=1->2]
SET @old_parallel_threads=@@GLOBAL.slave_parallel_threads;
SET GLOBAL slave_parallel_threads=10;
ERROR HY000: This operation cannot be performed as you have a running slave ''; run STOP SLAVE '' first
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=10;
CHANGE MASTER TO master_use_gtid=slave_pos;
include/start_slave.inc
*** Test long-running query in domain 1 can run in parallel with short queries in domain 0 ***
CREATE TABLE t1 (a int PRIMARY KEY) ENGINE=MyISAM;
CREATE TABLE t2 (a int PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (1);
LOCK TABLE t1 WRITE;
SET gtid_domain_id=1;
INSERT INTO t1 VALUES (2);
SET gtid_domain_id=0;
INSERT INTO t2 VALUES (2);
INSERT INTO t2 VALUES (3);
BEGIN;
INSERT INTO t2 VALUES (4);
INSERT INTO t2 VALUES (5);
COMMIT;
INSERT INTO t2 VALUES (6);
SELECT * FROM t2 ORDER by a;
a
1
2
3
4
5
6
SELECT * FROM t1;
a
1
UNLOCK TABLES;
SELECT * FROM t1 ORDER BY a;
a
1
2
*** Test two transactions in different domains committed in opposite order on slave but in a single group commit. ***
include/stop_slave.inc
SET sql_log_bin=0;
CREATE FUNCTION foo(x INT, d1 VARCHAR(500), d2 VARCHAR(500))
RETURNS INT DETERMINISTIC
BEGIN
RETURN x;
END
||
SET sql_log_bin=1;
SET @old_format= @@SESSION.binlog_format;
SET binlog_format='statement';
SET gtid_domain_id=1;
INSERT INTO t2 VALUES (foo(10,
'commit_before_enqueue SIGNAL ready1 WAIT_FOR cont1',
'commit_after_release_LOCK_prepare_ordered SIGNAL ready2'));
FLUSH LOGS;
SET sql_log_bin=0;
CREATE FUNCTION foo(x INT, d1 VARCHAR(500), d2 VARCHAR(500))
RETURNS INT DETERMINISTIC
BEGIN
IF d1 != '' THEN
SET debug_sync = d1;
END IF;
IF d2 != '' THEN
SET debug_sync = d2;
END IF;
RETURN x;
END
||
SET sql_log_bin=1;
SET @old_format=@@GLOBAL.binlog_format;
SET GLOBAL binlog_format=statement;
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
include/start_slave.inc
SET debug_sync='now WAIT_FOR ready1';
SET gtid_domain_id=2;
INSERT INTO t2 VALUES (foo(11,
'commit_before_enqueue SIGNAL ready3 WAIT_FOR cont3',
'commit_after_release_LOCK_prepare_ordered SIGNAL ready4 WAIT_FOR cont4'));
SET gtid_domain_id=0;
SELECT * FROM t2 WHERE a >= 10 ORDER BY a;
a
10
11
SET debug_sync='now WAIT_FOR ready3';
SET debug_sync='now SIGNAL cont3';
SET debug_sync='now WAIT_FOR ready4';
SET debug_sync='now SIGNAL cont1';
SET debug_sync='now WAIT_FOR ready2';
SET debug_sync='now SIGNAL cont4';
SELECT * FROM t2 WHERE a >= 10 ORDER BY a;
a
10
11
show binlog events in 'slave-bin.000002' from <binlog_start>;
Log_name	Pos	Event_type	Server_id	End_log_pos	Info
slave-bin.000002	#	Binlog_checkpoint	#	#	slave-bin.000002
slave-bin.000002	#	Gtid	#	#	BEGIN GTID #-#-# cid=#
slave-bin.000002	#	Query	#	#	use `test`; INSERT INTO t2 VALUES (foo(11,
'commit_before_enqueue SIGNAL ready3 WAIT_FOR cont3',
'commit_after_release_LOCK_prepare_ordered SIGNAL ready4 WAIT_FOR cont4'))
slave-bin.000002	#	Xid	#	#	COMMIT /* XID */
slave-bin.000002	#	Gtid	#	#	BEGIN GTID #-#-# cid=#
slave-bin.000002	#	Query	#	#	use `test`; INSERT INTO t2 VALUES (foo(10,
'commit_before_enqueue SIGNAL ready1 WAIT_FOR cont1',
'commit_after_release_LOCK_prepare_ordered SIGNAL ready2'))
slave-bin.000002	#	Xid	#	#	COMMIT /* XID */
FLUSH LOGS;
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
SET debug_sync='RESET';
include/start_slave.inc
*** Test that group-committed transactions on the master can replicate in parallel on the slave. ***
FLUSH LOGS;
CREATE TABLE t3 (a INT PRIMARY KEY, b INT) ENGINE=InnoDB;
INSERT INTO t3 VALUES (1,1), (3,3), (5,5), (7,7);
BEGIN;
INSERT INTO t3 VALUES (2,102);
BEGIN;
INSERT INTO t3 VALUES (4,104);
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued1 WAIT_FOR master_cont1';
SET binlog_format=statement;
INSERT INTO t3 VALUES (2, foo(12,
'commit_after_release_LOCK_prepare_ordered SIGNAL slave_queued1 WAIT_FOR slave_cont1',
''));
SET debug_sync='now WAIT_FOR master_queued1';
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued2';
SET binlog_format=statement;
INSERT INTO t3 VALUES (4, foo(14,
'commit_after_release_LOCK_prepare_ordered SIGNAL slave_queued2',
''));
SET debug_sync='now WAIT_FOR master_queued2';
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued3';
SET binlog_format=statement;
INSERT INTO t3 VALUES (6, foo(16,
'group_commit_waiting_for_prior SIGNAL slave_queued3',
''));
SET debug_sync='now WAIT_FOR master_queued3';
SET debug_sync='now SIGNAL master_cont1';
SELECT * FROM t3 ORDER BY a;
a	b
1	1
2	12
3	3
4	14
5	5
6	16
7	7
show binlog events in 'master-bin.000002' from <binlog_start>;
Log_name	Pos	Event_type	Server_id	End_log_pos	Info
master-bin.000002	#	Binlog_checkpoint	#	#	master-bin.000002
master-bin.000002	#	Gtid	#	#	GTID #-#-#
master-bin.000002	#	Query	#	#	use `test`; CREATE TABLE t3 (a INT PRIMARY KEY, b INT) ENGINE=InnoDB
master-bin.000002	#	Gtid	#	#	BEGIN GTID #-#-#
master-bin.000002	#	Query	#	#	use `test`; INSERT INTO t3 VALUES (1,1), (3,3), (5,5), (7,7)
master-bin.000002	#	Xid	#	#	COMMIT /* XID */
master-bin.000002	#	Gtid	#	#	BEGIN GTID #-#-# cid=#
master-bin.000002	#	Query	#	#	use `test`; INSERT INTO t3 VALUES (2, foo(12,
'commit_after_release_LOCK_prepare_ordered SIGNAL slave_queued1 WAIT_FOR slave_cont1',
''))
master-bin.000002	#	Xid	#	#	COMMIT /* XID */
master-bin.000002	#	Gtid	#	#	BEGIN GTID #-#-# cid=#
master-bin.000002	#	Query	#	#	use `test`; INSERT INTO t3 VALUES (4, foo(14,
'commit_after_release_LOCK_prepare_ordered SIGNAL slave_queued2',
''))
master-bin.000002	#	Xid	#	#	COMMIT /* XID */
master-bin.000002	#	Gtid	#	#	BEGIN GTID #-#-# cid=#
master-bin.000002	#	Query	#	#	use `test`; INSERT INTO t3 VALUES (6, foo(16,
'group_commit_waiting_for_prior SIGNAL slave_queued3',
''))
master-bin.000002	#	Xid	#	#	COMMIT /* XID */
SET debug_sync='now WAIT_FOR slave_queued3';
ROLLBACK;
SET debug_sync='now WAIT_FOR slave_queued1';
ROLLBACK;
SET debug_sync='now WAIT_FOR slave_queued2';
SET debug_sync='now SIGNAL slave_cont1';
SELECT * FROM t3 ORDER BY a;
a	b
1	1
2	12
3	3
4	14
5	5
6	16
7	7
show binlog events in 'slave-bin.000003' from <binlog_start>;
Log_name	Pos	Event_type	Server_id	End_log_pos	Info
slave-bin.000003	#	Binlog_checkpoint	#	#	slave-bin.000003
slave-bin.000003	#	Gtid	#	#	GTID #-#-#
slave-bin.000003	#	Query	#	#	use `test`; CREATE TABLE t3 (a INT PRIMARY KEY, b INT) ENGINE=InnoDB
slave-bin.000003	#	Gtid	#	#	BEGIN GTID #-#-#
slave-bin.000003	#	Query	#	#	use `test`; INSERT INTO t3 VALUES (1,1), (3,3), (5,5), (7,7)
slave-bin.000003	#	Xid	#	#	COMMIT /* XID */
slave-bin.000003	#	Gtid	#	#	BEGIN GTID #-#-# cid=#
slave-bin.000003	#	Query	#	#	use `test`; INSERT INTO t3 VALUES (2, foo(12,
'commit_after_release_LOCK_prepare_ordered SIGNAL slave_queued1 WAIT_FOR slave_cont1',
''))
slave-bin.000003	#	Xid	#	#	COMMIT /* XID */
slave-bin.000003	#	Gtid	#	#	BEGIN GTID #-#-# cid=#
slave-bin.000003	#	Query	#	#	use `test`; INSERT INTO t3 VALUES (4, foo(14,
'commit_after_release_LOCK_prepare_ordered SIGNAL slave_queued2',
''))
slave-bin.000003	#	Xid	#	#	COMMIT /* XID */
slave-bin.000003	#	Gtid	#	#	BEGIN GTID #-#-# cid=#
slave-bin.000003	#	Query	#	#	use `test`; INSERT INTO t3 VALUES (6, foo(16,
'group_commit_waiting_for_prior SIGNAL slave_queued3',
''))
slave-bin.000003	#	Xid	#	#	COMMIT /* XID */
*** Test STOP SLAVE in parallel mode ***
include/stop_slave.inc
SET binlog_direct_non_transactional_updates=0;
SET sql_log_bin=0;
CALL mtr.add_suppression("Statement is unsafe because it accesses a non-transactional table after accessing a transactional table within the same transaction");
SET sql_log_bin=1;
BEGIN;
INSERT INTO t2 VALUES (20);
INSERT INTO t1 VALUES (20);
INSERT INTO t2 VALUES (21);
INSERT INTO t3 VALUES (20, 20);
COMMIT;
INSERT INTO t3 VALUES(21, 21);
INSERT INTO t3 VALUES(22, 22);
SET binlog_format=@old_format;
BEGIN;
INSERT INTO t2 VALUES  (21);
START SLAVE;
STOP SLAVE;
ROLLBACK;
include/wait_for_slave_to_stop.inc
SELECT * FROM t1 WHERE a >= 20 ORDER BY a;
a
20
SELECT * FROM t2 WHERE a >= 20 ORDER BY a;
a
20
21
SELECT * FROM t3 WHERE a >= 20 ORDER BY a;
a	b
20	20
include/start_slave.inc
SELECT * FROM t1 WHERE a >= 20 ORDER BY a;
a
20
SELECT * FROM t2 WHERE a >= 20 ORDER BY a;
a
20
21
SELECT * FROM t3 WHERE a >= 20 ORDER BY a;
a	b
20	20
21	21
22	22
include/stop_slave.inc
SET GLOBAL binlog_format=@old_format;
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
include/start_slave.inc
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=@old_parallel_threads;
include/start_slave.inc
DROP function foo;
DROP TABLE t1,t2,t3;
include/rpl_end.inc