include/master-slave.inc
[connection master]
connection server_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;
SELECT IF(COUNT(*) < 10, "OK", CONCAT("Found too many system user processes: ", COUNT(*))) FROM information_schema.processlist WHERE user = "system user";
IF(COUNT(*) < 10, "OK", CONCAT("Found too many system user processes: ", COUNT(*)))
OK
CHANGE MASTER TO master_use_gtid=slave_pos;
include/start_slave.inc
SELECT IF(COUNT(*) >= 10, "OK", CONCAT("Found too few system user processes: ", COUNT(*))) FROM information_schema.processlist WHERE user = "system user";
IF(COUNT(*) >= 10, "OK", CONCAT("Found too few system user processes: ", COUNT(*)))
OK
include/stop_slave.inc
SELECT IF(COUNT(*) < 10, "OK", CONCAT("Found too many system user processes: ", COUNT(*))) FROM information_schema.processlist WHERE user = "system user";
IF(COUNT(*) < 10, "OK", CONCAT("Found too many system user processes: ", COUNT(*)))
OK
include/start_slave.inc
SELECT IF(COUNT(*) >= 10, "OK", CONCAT("Found too few system user processes: ", COUNT(*))) FROM information_schema.processlist WHERE user = "system user";
IF(COUNT(*) >= 10, "OK", CONCAT("Found too few system user processes: ", COUNT(*)))
OK
*** Test long-running query in domain 1 can run in parallel with short queries in domain 0 ***
connection server_1;
ALTER TABLE mysql.gtid_slave_pos ENGINE=InnoDB;
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);
connection server_2;
connect  con_temp1,127.0.0.1,root,,test,$SERVER_MYPORT_2,;
LOCK TABLE t1 WRITE;
connection server_1;
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);
connection server_2;
SELECT * FROM t2 ORDER by a;
a
1
2
3
4
5
6
connection con_temp1;
SELECT * FROM t1;
a
1
UNLOCK TABLES;
connection server_2;
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. ***
connection server_2;
include/stop_slave.inc
connection server_1;
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'));
connection server_2;
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';
connection server_1;
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
connection server_2;
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
include/show_binlog_events.inc
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;
connection server_2;
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. ***
connection server_1;
SET debug_sync='RESET';
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);
connection server_2;
connection con_temp1;
BEGIN;
INSERT INTO t3 VALUES (2,102);
connect  con_temp2,127.0.0.1,root,,test,$SERVER_MYPORT_2,;
BEGIN;
INSERT INTO t3 VALUES (4,104);
connect  con_temp3,127.0.0.1,root,,test,$SERVER_MYPORT_1,;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued1 WAIT_FOR master_cont1';
SET binlog_format=statement;
INSERT INTO t3 VALUES (2, foo(12,
'commit_after_release_LOCK_prepare_ordered SIGNAL slave_queued1 WAIT_FOR slave_cont1',
''));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued1';
connect  con_temp4,127.0.0.1,root,,test,$SERVER_MYPORT_1,;
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',
''));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued2';
connect  con_temp5,127.0.0.1,root,,test,$SERVER_MYPORT_1,;
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',
''));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued3';
SET debug_sync='now SIGNAL master_cont1';
connection con_temp3;
connection con_temp4;
connection con_temp5;
SET debug_sync='RESET';
connection server_1;
SELECT * FROM t3 ORDER BY a;
a	b
1	1
2	12
3	3
4	14
5	5
6	16
7	7
include/show_binlog_events.inc
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 */
connection server_2;
SET debug_sync='now WAIT_FOR slave_queued3';
connection con_temp1;
ROLLBACK;
connection server_2;
SET debug_sync='now WAIT_FOR slave_queued1';
connection con_temp2;
ROLLBACK;
connection server_2;
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
include/show_binlog_events.inc
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 ***
connection server_2;
include/stop_slave.inc
SET debug_sync='RESET';
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
connection server_1;
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;
connection con_temp1;
BEGIN;
INSERT INTO t2 VALUES (21);
connection server_2;
START SLAVE;
connection con_temp2;
SET @old_dbug= @@GLOBAL.debug_dbug;
SET GLOBAL debug_dbug="+d,rpl_parallel_wait_for_done_trigger";
STOP SLAVE;
connection con_temp1;
SET debug_sync='now WAIT_FOR wait_for_done_waiting';
ROLLBACK;
connection con_temp2;
SET GLOBAL debug_dbug=@old_dbug;
SET debug_sync='RESET';
connection server_2;
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
connection server_2;
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
*** Test killing slave threads at various wait points ***
*** 1. Test killing transaction waiting in commit for previous transaction to commit ***
connection con_temp3;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued1 WAIT_FOR master_cont1';
SET binlog_format=statement;
INSERT INTO t3 VALUES (31, foo(31,
'commit_before_prepare_ordered WAIT_FOR t2_waiting',
'commit_after_prepare_ordered SIGNAL t1_ready WAIT_FOR t1_cont'));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued1';
connection con_temp4;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued2';
SET binlog_format=statement;
BEGIN;
INSERT INTO t3 VALUES (32, foo(32,
'ha_write_row_end SIGNAL t2_query WAIT_FOR t2_cont',
''));
INSERT INTO t3 VALUES (33, foo(33,
'group_commit_waiting_for_prior SIGNAL t2_waiting',
'group_commit_waiting_for_prior_killed SIGNAL t2_killed'));
COMMIT;
connection server_1;
SET debug_sync='now WAIT_FOR master_queued2';
connection con_temp5;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued3';
SET binlog_format=statement;
INSERT INTO t3 VALUES (34, foo(34,
'',
''));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued3';
SET debug_sync='now SIGNAL master_cont1';
connection con_temp3;
connection con_temp4;
connection con_temp5;
connection server_1;
SELECT * FROM t3 WHERE a >= 30 ORDER BY a;
a	b
31	31
32	32
33	33
34	34
SET debug_sync='RESET';
connection server_2;
SET sql_log_bin=0;
CALL mtr.add_suppression("Query execution was interrupted");
CALL mtr.add_suppression("Commit failed due to failure of an earlier commit on which this one depends");
CALL mtr.add_suppression("Slave: Connection was killed");
SET sql_log_bin=1;
SET debug_sync='now WAIT_FOR t2_query';
SET debug_sync='now SIGNAL t2_cont';
SET debug_sync='now WAIT_FOR t1_ready';
KILL THD_ID;
SET debug_sync='now WAIT_FOR t2_killed';
SET debug_sync='now SIGNAL t1_cont';
include/wait_for_slave_sql_error.inc [errno=1317,1927,1964]
STOP SLAVE IO_THREAD;
SELECT * FROM t3 WHERE a >= 30 ORDER BY a;
a	b
31	31
SET debug_sync='RESET';
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
SET sql_log_bin=0;
DROP FUNCTION foo;
CREATE FUNCTION foo(x INT, d1 VARCHAR(500), d2 VARCHAR(500))
RETURNS INT DETERMINISTIC
BEGIN
RETURN x;
END
||
SET sql_log_bin=1;
connection server_1;
INSERT INTO t3 VALUES (39,0);
connection server_2;
include/start_slave.inc
SELECT * FROM t3 WHERE a >= 30 ORDER BY a;
a	b
31	31
32	32
33	33
34	34
39	0
SET sql_log_bin=0;
DROP FUNCTION foo;
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;
connection server_2;
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
*** 2. Same as (1), but without restarting IO thread after kill of SQL threads ***
connection con_temp3;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued1 WAIT_FOR master_cont1';
SET binlog_format=statement;
INSERT INTO t3 VALUES (41, foo(41,
'commit_before_prepare_ordered WAIT_FOR t2_waiting',
'commit_after_prepare_ordered SIGNAL t1_ready WAIT_FOR t1_cont'));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued1';
connection con_temp4;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued2';
SET binlog_format=statement;
BEGIN;
INSERT INTO t3 VALUES (42, foo(42,
'ha_write_row_end SIGNAL t2_query WAIT_FOR t2_cont',
''));
INSERT INTO t3 VALUES (43, foo(43,
'group_commit_waiting_for_prior SIGNAL t2_waiting',
'group_commit_waiting_for_prior_killed SIGNAL t2_killed'));
COMMIT;
connection server_1;
SET debug_sync='now WAIT_FOR master_queued2';
connection con_temp5;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued3';
SET binlog_format=statement;
INSERT INTO t3 VALUES (44, foo(44,
'',
''));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued3';
SET debug_sync='now SIGNAL master_cont1';
connection con_temp3;
connection con_temp4;
connection con_temp5;
connection server_1;
SELECT * FROM t3 WHERE a >= 40 ORDER BY a;
a	b
41	41
42	42
43	43
44	44
SET debug_sync='RESET';
connection server_2;
SET debug_sync='now WAIT_FOR t2_query';
SET debug_sync='now SIGNAL t2_cont';
SET debug_sync='now WAIT_FOR t1_ready';
KILL THD_ID;
SET debug_sync='now WAIT_FOR t2_killed';
SET debug_sync='now SIGNAL t1_cont';
include/wait_for_slave_sql_error.inc [errno=1317,1927,1964]
SET debug_sync='RESET';
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
SET sql_log_bin=0;
DROP FUNCTION foo;
CREATE FUNCTION foo(x INT, d1 VARCHAR(500), d2 VARCHAR(500))
RETURNS INT DETERMINISTIC
BEGIN
RETURN x;
END
||
SET sql_log_bin=1;
connection server_1;
INSERT INTO t3 VALUES (49,0);
connection server_2;
START SLAVE SQL_THREAD;
SELECT * FROM t3 WHERE a >= 40 ORDER BY a;
a	b
41	41
42	42
43	43
44	44
49	0
SET sql_log_bin=0;
DROP FUNCTION foo;
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;
connection server_2;
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
*** 3. Same as (2), but not using gtid mode ***
connection server_2;
include/stop_slave.inc
CHANGE MASTER TO master_use_gtid=no;
include/start_slave.inc
connection server_1;
connection con_temp3;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued1 WAIT_FOR master_cont1';
SET binlog_format=statement;
INSERT INTO t3 VALUES (51, foo(51,
'commit_before_prepare_ordered WAIT_FOR t2_waiting',
'commit_after_prepare_ordered SIGNAL t1_ready WAIT_FOR t1_cont'));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued1';
connection con_temp4;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued2';
SET binlog_format=statement;
BEGIN;
INSERT INTO t3 VALUES (52, foo(52,
'ha_write_row_end SIGNAL t2_query WAIT_FOR t2_cont',
''));
INSERT INTO t3 VALUES (53, foo(53,
'group_commit_waiting_for_prior SIGNAL t2_waiting',
'group_commit_waiting_for_prior_killed SIGNAL t2_killed'));
COMMIT;
connection server_1;
SET debug_sync='now WAIT_FOR master_queued2';
connection con_temp5;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued3';
SET binlog_format=statement;
INSERT INTO t3 VALUES (54, foo(54,
'',
''));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued3';
SET debug_sync='now SIGNAL master_cont1';
connection con_temp3;
connection con_temp4;
connection con_temp5;
connection server_1;
SELECT * FROM t3 WHERE a >= 50 ORDER BY a;
a	b
51	51
52	52
53	53
54	54
SET debug_sync='RESET';
connection server_2;
SET debug_sync='now WAIT_FOR t2_query';
SET debug_sync='now SIGNAL t2_cont';
SET debug_sync='now WAIT_FOR t1_ready';
KILL THD_ID;
SET debug_sync='now WAIT_FOR t2_killed';
SET debug_sync='now SIGNAL t1_cont';
include/wait_for_slave_sql_error.inc [errno=1317,1927,1964]
SELECT * FROM t3 WHERE a >= 50 ORDER BY a;
a	b
51	51
SET debug_sync='RESET';
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
SET sql_log_bin=0;
DROP FUNCTION foo;
CREATE FUNCTION foo(x INT, d1 VARCHAR(500), d2 VARCHAR(500))
RETURNS INT DETERMINISTIC
BEGIN
RETURN x;
END
||
SET sql_log_bin=1;
connection server_1;
INSERT INTO t3 VALUES (59,0);
connection server_2;
START SLAVE SQL_THREAD;
SELECT * FROM t3 WHERE a >= 50 ORDER BY a;
a	b
51	51
52	52
53	53
54	54
59	0
SET sql_log_bin=0;
DROP FUNCTION foo;
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;
include/stop_slave.inc
CHANGE MASTER TO master_use_gtid=slave_pos;
include/start_slave.inc
connection server_2;
include/stop_slave.inc
SET GLOBAL binlog_format=@old_format;
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=4;
include/start_slave.inc
*** 4. Test killing thread that is waiting to start transaction until previous transaction commits ***
connection server_1;
SET binlog_format=statement;
SET gtid_domain_id=2;
BEGIN;
INSERT INTO t3 VALUES (70, foo(70,
'rpl_parallel_start_waiting_for_prior SIGNAL t4_waiting', ''));
INSERT INTO t3 VALUES (60, foo(60,
'ha_write_row_end SIGNAL d2_query WAIT_FOR d2_cont2',
'rpl_parallel_end_of_group SIGNAL d2_done WAIT_FOR d2_cont'));
COMMIT;
SET gtid_domain_id=0;
connection server_2;
SET debug_sync='now WAIT_FOR d2_query';
connection server_1;
SET gtid_domain_id=1;
BEGIN;
INSERT INTO t3 VALUES (61, foo(61,
'rpl_parallel_start_waiting_for_prior SIGNAL t3_waiting',
'rpl_parallel_start_waiting_for_prior_killed SIGNAL t3_killed'));
INSERT INTO t3 VALUES (62, foo(62,
'ha_write_row_end SIGNAL d1_query WAIT_FOR d1_cont2',
'rpl_parallel_end_of_group SIGNAL d1_done WAIT_FOR d1_cont'));
COMMIT;
SET gtid_domain_id=0;
connection server_2;
SET debug_sync='now WAIT_FOR d1_query';
connection server_1;
SET gtid_domain_id=0;
INSERT INTO t3 VALUES (63, foo(63,
'ha_write_row_end SIGNAL d0_query WAIT_FOR d0_cont2',
'rpl_parallel_end_of_group SIGNAL d0_done WAIT_FOR d0_cont'));
connection server_2;
SET debug_sync='now WAIT_FOR d0_query';
connection server_1;
SET gtid_domain_id=3;
BEGIN;
INSERT INTO t3 VALUES (68, foo(68,
'rpl_parallel_start_waiting_for_prior SIGNAL t2_waiting', ''));
INSERT INTO t3 VALUES (69, foo(69,
'ha_write_row_end SIGNAL d3_query WAIT_FOR d3_cont2',
'rpl_parallel_end_of_group SIGNAL d3_done WAIT_FOR d3_cont'));
COMMIT;
SET gtid_domain_id=0;
connection server_2;
SET debug_sync='now WAIT_FOR d3_query';
SET debug_sync='now SIGNAL d2_cont2';
SET debug_sync='now WAIT_FOR d2_done';
SET debug_sync='now SIGNAL d1_cont2';
SET debug_sync='now WAIT_FOR d1_done';
SET debug_sync='now SIGNAL d0_cont2';
SET debug_sync='now WAIT_FOR d0_done';
SET debug_sync='now SIGNAL d3_cont2';
SET debug_sync='now WAIT_FOR d3_done';
connection con_temp3;
SET binlog_format=statement;
INSERT INTO t3 VALUES (64, foo(64,
'rpl_parallel_before_mark_start_commit SIGNAL t1_waiting WAIT_FOR t1_cont', ''));
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued2 WAIT_FOR master_cont2';
INSERT INTO t3 VALUES (65, foo(65, '', ''));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued2';
connection con_temp4;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued3';
INSERT INTO t3 VALUES (66, foo(66, '', ''));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued3';
connection con_temp5;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued4';
INSERT INTO t3 VALUES (67, foo(67, '', ''));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued4';
SET debug_sync='now SIGNAL master_cont2';
connection con_temp3;
connection con_temp4;
connection con_temp5;
connection server_1;
SELECT * FROM t3 WHERE a >= 60 ORDER BY a;
a	b
60	60
61	61
62	62
63	63
64	64
65	65
66	66
67	67
68	68
69	69
70	70
SET debug_sync='RESET';
connection server_2;
SET debug_sync='now SIGNAL d0_cont';
SET debug_sync='now WAIT_FOR t1_waiting';
SET debug_sync='now SIGNAL d3_cont';
SET debug_sync='now WAIT_FOR t2_waiting';
SET debug_sync='now SIGNAL d1_cont';
SET debug_sync='now WAIT_FOR t3_waiting';
SET debug_sync='now SIGNAL d2_cont';
SET debug_sync='now WAIT_FOR t4_waiting';
KILL THD_ID;
SET debug_sync='now WAIT_FOR t3_killed';
SET debug_sync='now SIGNAL t1_cont';
include/wait_for_slave_sql_error.inc [errno=1317,1927,1964]
STOP SLAVE IO_THREAD;
SELECT * FROM t3 WHERE a >= 60 AND a != 65 ORDER BY a;
a	b
60	60
61	61
62	62
63	63
64	64
68	68
69	69
70	70
SET debug_sync='RESET';
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
SET sql_log_bin=0;
DROP FUNCTION foo;
CREATE FUNCTION foo(x INT, d1 VARCHAR(500), d2 VARCHAR(500))
RETURNS INT DETERMINISTIC
BEGIN
RETURN x;
END
||
SET sql_log_bin=1;
connection server_1;
UPDATE t3 SET b=b+1 WHERE a=60;
connection server_2;
include/start_slave.inc
SELECT * FROM t3 WHERE a >= 60 ORDER BY a;
a	b
60	61
61	61
62	62
63	63
64	64
65	65
66	66
67	67
68	68
69	69
70	70
SET sql_log_bin=0;
DROP FUNCTION foo;
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;
connection server_2;
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
*** 5. Test killing thread that is waiting for queue of max length to shorten ***
SET @old_max_queued= @@GLOBAL.slave_parallel_max_queued;
SET GLOBAL slave_parallel_max_queued=9000;
connection server_1;
SET binlog_format=statement;
INSERT INTO t3 VALUES (80, foo(0,
'ha_write_row_end SIGNAL query_waiting WAIT_FOR query_cont', ''));
connection server_2;
SET debug_sync='now WAIT_FOR query_waiting';
SET @old_dbug= @@GLOBAL.debug_dbug;
SET GLOBAL debug_dbug="+d,rpl_parallel_wait_queue_max";
connection server_1;
SELECT * FROM t3 WHERE a >= 80 ORDER BY a;
a	b
80	0
81	10000
connection server_2;
SET debug_sync='now WAIT_FOR wait_queue_ready';
KILL THD_ID;
SET debug_sync='now WAIT_FOR wait_queue_killed';
SET debug_sync='now SIGNAL query_cont';
include/wait_for_slave_sql_error.inc [errno=1317,1927,1964]
STOP SLAVE IO_THREAD;
SET GLOBAL debug_dbug=@old_dbug;
SET GLOBAL slave_parallel_max_queued= @old_max_queued;
connection server_1;
INSERT INTO t3 VALUES (82,0);
SET binlog_format=@old_format;
connection server_2;
SET debug_sync='RESET';
include/start_slave.inc
SELECT * FROM t3 WHERE a >= 80 ORDER BY a;
a	b
80	0
81	10000
82	0
connection server_2;
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
*** MDEV-5788 Incorrect free of rgi->deferred_events in parallel replication  ***
connection server_2;
include/stop_slave.inc
SET GLOBAL replicate_ignore_table="test.t3";
SET GLOBAL slave_parallel_threads=2;
include/start_slave.inc
connection server_1;
INSERT INTO t3 VALUES (100, rand());
INSERT INTO t3 VALUES (101, rand());
connection server_2;
connection server_1;
INSERT INTO t3 VALUES (102, rand());
INSERT INTO t3 VALUES (103, rand());
INSERT INTO t3 VALUES (104, rand());
INSERT INTO t3 VALUES (105, rand());
connection server_2;
include/stop_slave.inc
SET GLOBAL replicate_ignore_table="";
include/start_slave.inc
connection server_1;
INSERT INTO t3 VALUES (106, rand());
INSERT INTO t3 VALUES (107, rand());
connection server_2;
SELECT * FROM t3 WHERE a >= 100 ORDER BY a;
a	b
106	#
107	#
*** MDEV-5921: In parallel replication, an error is not correctly signalled to the next transaction ***
connection server_2;
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=10;
include/start_slave.inc
connection server_1;
INSERT INTO t3 VALUES (110, 1);
connection server_2;
SELECT * FROM t3 WHERE a >= 110 ORDER BY a;
a	b
110	1
SET sql_log_bin=0;
INSERT INTO t3 VALUES (111, 666);
SET sql_log_bin=1;
connection server_1;
connect  con1,127.0.0.1,root,,test,$SERVER_MYPORT_1,;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued1 WAIT_FOR master_cont1';
INSERT INTO t3 VALUES (111, 2);
connection server_1;
SET debug_sync='now WAIT_FOR master_queued1';
connect  con2,127.0.0.1,root,,test,$SERVER_MYPORT_1,;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued2';
INSERT INTO t3 VALUES (112, 3);
connection server_1;
SET debug_sync='now WAIT_FOR master_queued2';
SET debug_sync='now SIGNAL master_cont1';
connection con1;
connection con2;
SET debug_sync='RESET';
connection server_2;
include/wait_for_slave_sql_error.inc [errno=1062]
include/wait_for_slave_sql_to_stop.inc
SELECT * FROM t3 WHERE a >= 110 ORDER BY a;
a	b
110	1
111	666
SET sql_log_bin=0;
DELETE FROM t3 WHERE a=111 AND b=666;
SET sql_log_bin=1;
START SLAVE SQL_THREAD;
SELECT * FROM t3 WHERE a >= 110 ORDER BY a;
a	b
110	1
111	2
112	3
***MDEV-5914: Parallel replication deadlock due to InnoDB lock conflicts ***
connection server_2;
include/stop_slave.inc
connection server_1;
CREATE TABLE t4 (a INT PRIMARY KEY, b INT, KEY b_idx(b)) ENGINE=InnoDB;
INSERT INTO t4 VALUES (1,NULL), (2,2), (3,NULL), (4,4), (5, NULL), (6, 6);
connection con1;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued1 WAIT_FOR master_cont1';
UPDATE t4 SET b=NULL WHERE a=6;
connection server_1;
SET debug_sync='now WAIT_FOR master_queued1';
connection con2;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued2';
DELETE FROM t4 WHERE b <= 3;
connection server_1;
SET debug_sync='now WAIT_FOR master_queued2';
SET debug_sync='now SIGNAL master_cont1';
connection con1;
connection con2;
SET debug_sync='RESET';
connection server_2;
include/start_slave.inc
include/stop_slave.inc
SELECT * FROM t4 ORDER BY a;
a	b
1	NULL
3	NULL
4	4
5	NULL
6	NULL
connection server_1;
DELETE FROM t4;
INSERT INTO t4 VALUES (1,NULL), (2,2), (3,NULL), (4,4), (5, NULL), (6, 6);
connection con1;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued1 WAIT_FOR master_cont1';
INSERT INTO t4 VALUES (7, NULL);
connection server_1;
SET debug_sync='now WAIT_FOR master_queued1';
connection con2;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued2';
DELETE FROM t4 WHERE b <= 3;
connection server_1;
SET debug_sync='now WAIT_FOR master_queued2';
SET debug_sync='now SIGNAL master_cont1';
connection con1;
connection con2;
SET debug_sync='RESET';
connection server_2;
include/start_slave.inc
include/stop_slave.inc
SELECT * FROM t4 ORDER BY a;
a	b
1	NULL
3	NULL
4	4
5	NULL
6	6
7	NULL
connection server_1;
DELETE FROM t4;
INSERT INTO t4 VALUES (1,NULL), (2,2), (3,NULL), (4,4), (5, NULL), (6, 6);
connection con1;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued1 WAIT_FOR master_cont1';
UPDATE t4 SET b=NULL WHERE a=6;
connection server_1;
SET debug_sync='now WAIT_FOR master_queued1';
connection con2;
SET @old_format= @@SESSION.binlog_format;
SET binlog_format='statement';
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued2';
DELETE FROM t4 WHERE b <= 1;
connection server_1;
SET debug_sync='now WAIT_FOR master_queued2';
SET debug_sync='now SIGNAL master_cont1';
connection con1;
connection con2;
SET @old_format=@@GLOBAL.binlog_format;
SET debug_sync='RESET';
connection server_2;
SET @old_dbug= @@GLOBAL.debug_dbug;
SET GLOBAL debug_dbug="+d,disable_thd_need_ordering_with";
include/start_slave.inc
SET GLOBAL debug_dbug=@old_dbug;
SELECT * FROM t4 ORDER BY a;
a	b
1	NULL
2	2
3	NULL
4	4
5	NULL
6	NULL
SET @last_gtid= 'GTID';
SELECT IF(@@gtid_slave_pos LIKE CONCAT('%',@last_gtid,'%'), "GTID found ok",
CONCAT("GTID ", @last_gtid, " not found in gtid_slave_pos=", @@gtid_slave_pos))
AS result;
result
GTID found ok
SELECT "ROW FOUND" AS `Is the row found?`
  FROM mysql.gtid_slave_pos
WHERE CONCAT(domain_id, "-", server_id, "-", seq_no) = @last_gtid;
Is the row found?
ROW FOUND
*** MDEV-5938: Exec_master_log_pos not updated at log rotate in parallel replication ***
connection server_2;
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=1;
SET DEBUG_SYNC= 'RESET';
include/start_slave.inc
connection server_1;
CREATE TABLE t5 (a INT PRIMARY KEY, b INT);
INSERT INTO t5 VALUES (1,1);
INSERT INTO t5 VALUES (2,2), (3,8);
INSERT INTO t5 VALUES (4,16);
connection server_2;
test_check
OK
test_check
OK
connection server_1;
FLUSH LOGS;
connection server_2;
test_check
OK
test_check
OK
*** MDEV_6435: Incorrect error handling when query binlogged partially on master with "killed" error ***
connection server_1;
CREATE TABLE t6 (a INT) ENGINE=MyISAM;
CREATE TRIGGER tr AFTER INSERT ON t6 FOR EACH ROW SET @a = 1;
connection con1;
SET @old_format= @@binlog_format;
SET binlog_format= statement;
SET debug_sync='sp_head_execute_before_loop SIGNAL ready WAIT_FOR cont';
INSERT INTO t6 VALUES (1), (2), (3);
connection server_1;
SET debug_sync='now WAIT_FOR ready';
KILL QUERY CONID;
SET debug_sync='now SIGNAL cont';
connection con1;
ERROR 70100: Query execution was interrupted
SET binlog_format= @old_format;
SET debug_sync='RESET';
connection server_1;
SET debug_sync='RESET';
connection server_2;
include/wait_for_slave_sql_error.inc [errno=1317]
STOP SLAVE IO_THREAD;
SET GLOBAL gtid_slave_pos= 'AFTER_ERROR_GTID_POS';
include/start_slave.inc
connection server_1;
INSERT INTO t6 VALUES (4);
SELECT * FROM t6 ORDER BY a;
a
1
4
connection server_2;
SELECT * FROM t6 ORDER BY a;
a
4
*** MDEV-6551: Some replication errors are ignored if slave_parallel_threads > 0 ***
connection server_1;
INSERT INTO t2 VALUES (31);
include/save_master_gtid.inc
connection server_2;
include/sync_with_master_gtid.inc
include/stop_slave.inc
SET GLOBAL slave_parallel_threads= 0;
include/start_slave.inc
SET sql_log_bin= 0;
INSERT INTO t2 VALUES (32);
SET sql_log_bin= 1;
connection server_1;
INSERT INTO t2 VALUES (32);
FLUSH LOGS;
INSERT INTO t2 VALUES (33);
INSERT INTO t2 VALUES (34);
SELECT * FROM t2 WHERE a >= 30 ORDER BY a;
a
31
32
33
34
include/save_master_gtid.inc
connection server_2;
include/wait_for_slave_sql_error.inc [errno=1062]
connection server_2;
include/stop_slave_io.inc
SET GLOBAL slave_parallel_threads=10;
START SLAVE;
include/wait_for_slave_sql_error.inc [errno=1062]
START SLAVE SQL_THREAD;
include/wait_for_slave_sql_error.inc [errno=1062]
SELECT * FROM t2 WHERE a >= 30 ORDER BY a;
a
31
32
SET sql_slave_skip_counter= 1;
ERROR HY000: When using parallel replication and GTID with multiple replication domains, @@sql_slave_skip_counter can not be used. Instead, setting @@gtid_slave_pos explicitly can be used to skip to after a given GTID position.
include/stop_slave_io.inc
include/start_slave.inc
include/sync_with_master_gtid.inc
SELECT * FROM t2 WHERE a >= 30 ORDER BY a;
a
31
32
33
34
*** MDEV-6775: Wrong binlog order in parallel replication ***
connection server_1;
DELETE FROM t4;
INSERT INTO t4 VALUES (1,NULL), (3,NULL), (4,4), (5, NULL), (6, 6);
include/save_master_gtid.inc
connection server_2;
include/sync_with_master_gtid.inc
include/stop_slave.inc
SET @old_dbug= @@GLOBAL.debug_dbug;
SET GLOBAL debug_dbug="+d,inject_binlog_commit_before_get_LOCK_log";
SET @old_format=@@GLOBAL.binlog_format;
SET GLOBAL binlog_format=ROW;
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
connection con1;
SET @old_format= @@binlog_format;
SET binlog_format= statement;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued1 WAIT_FOR master_cont1';
UPDATE t4 SET b=NULL WHERE a=6;
connection server_1;
SET debug_sync='now WAIT_FOR master_queued1';
connection con2;
SET @old_format= @@binlog_format;
SET binlog_format= statement;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued2';
DELETE FROM t4 WHERE b <= 3;
connection server_1;
SET debug_sync='now WAIT_FOR master_queued2';
SET debug_sync='now SIGNAL master_cont1';
connection con1;
SET binlog_format= @old_format;
connection con2;
SET binlog_format= @old_format;
SET debug_sync='RESET';
SELECT * FROM t4 ORDER BY a;
a	b
1	NULL
3	NULL
4	4
5	NULL
6	NULL
connection server_2;
include/start_slave.inc
SET debug_sync= 'now WAIT_FOR waiting';
SELECT * FROM t4 ORDER BY a;
a	b
1	NULL
3	NULL
4	4
5	NULL
6	NULL
SET debug_sync= 'now SIGNAL cont';
include/stop_slave.inc
SET GLOBAL debug_dbug=@old_dbug;
SET GLOBAL binlog_format= @old_format;
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
include/start_slave.inc
*** MDEV-7237: Parallel replication: incorrect relaylog position after stop/start the slave ***
connection server_1;
INSERT INTO t2 VALUES (40);
connection server_2;
include/stop_slave.inc
CHANGE MASTER TO master_use_gtid=no;
SET @old_dbug= @@GLOBAL.debug_dbug;
SET GLOBAL debug_dbug="+d,rpl_parallel_scheduled_gtid_0_x_100";
SET GLOBAL debug_dbug="+d,rpl_parallel_wait_for_done_trigger";
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
connection server_1;
INSERT INTO t2 VALUES (41);
INSERT INTO t2 VALUES (42);
SET @old_format= @@binlog_format;
SET binlog_format= statement;
DELETE FROM t2 WHERE a=40;
SET binlog_format= @old_format;
INSERT INTO t2 VALUES (43);
INSERT INTO t2 VALUES (44);
FLUSH LOGS;
INSERT INTO t2 VALUES (45);
SET gtid_seq_no=100;
INSERT INTO t2 VALUES (46);
connection con_temp2;
BEGIN;
SELECT * FROM t2 WHERE a=40 FOR UPDATE;
a
40
connection server_2;
include/start_slave.inc
SET debug_sync= 'now WAIT_FOR scheduled_gtid_0_x_100';
STOP SLAVE;
connection con_temp2;
SET debug_sync= 'now WAIT_FOR wait_for_done_waiting';
ROLLBACK;
connection server_2;
include/wait_for_slave_sql_to_stop.inc
SELECT * FROM t2 WHERE a >= 40 ORDER BY a;
a
41
42
include/start_slave.inc
SELECT * FROM t2 WHERE a >= 40 ORDER BY a;
a
41
42
43
44
45
46
include/stop_slave.inc
SET GLOBAL debug_dbug=@old_dbug;
SET DEBUG_SYNC= 'RESET';
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
CHANGE MASTER TO master_use_gtid=slave_pos;
include/start_slave.inc
*** MDEV-7326 Server deadlock in connection with parallel replication ***
connection server_2;
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=3;
SET GLOBAL debug_dbug="+d,rpl_parallel_simulate_temp_err_xid";
include/start_slave.inc
connection server_1;
SET @old_format= @@SESSION.binlog_format;
SET binlog_format= STATEMENT;
INSERT INTO t1 VALUES (foo(50,
"rpl_parallel_start_waiting_for_prior SIGNAL t3_ready",
"rpl_parallel_end_of_group SIGNAL prep_ready WAIT_FOR prep_cont"));
connection server_2;
SET DEBUG_SYNC= "now WAIT_FOR prep_ready";
connection server_1;
INSERT INTO t2 VALUES (foo(50,
"rpl_parallel_simulate_temp_err_xid SIGNAL t1_ready1 WAIT_FOR t1_cont1",
"rpl_parallel_retry_after_unmark SIGNAL t1_ready2 WAIT_FOR t1_cont2"));
connection server_2;
SET DEBUG_SYNC= "now WAIT_FOR t1_ready1";
connection server_1;
INSERT INTO t1 VALUES (foo(51,
"rpl_parallel_before_mark_start_commit SIGNAL t2_ready1 WAIT_FOR t2_cont1",
"rpl_parallel_after_mark_start_commit SIGNAL t2_ready2"));
connection server_2;
SET DEBUG_SYNC= "now WAIT_FOR t2_ready1";
SET DEBUG_SYNC= "now SIGNAL t1_cont1";
SET DEBUG_SYNC= "now WAIT_FOR t1_ready2";
connection server_1;
INSERT INTO t1 VALUES (52);
SET BINLOG_FORMAT= @old_format;
SELECT * FROM t2 WHERE a>=50 ORDER BY a;
a
50
SELECT * FROM t1 WHERE a>=50 ORDER BY a;
a
50
51
52
connection server_2;
SET DEBUG_SYNC= "now SIGNAL prep_cont";
SET DEBUG_SYNC= "now WAIT_FOR t3_ready";
SET DEBUG_SYNC= "now SIGNAL t2_cont1";
SET DEBUG_SYNC= "now WAIT_FOR t2_ready2";
SET DEBUG_SYNC= "now SIGNAL t1_cont2";
connection server_1;
connection server_2;
SELECT * FROM t2 WHERE a>=50 ORDER BY a;
a
50
SELECT * FROM t1 WHERE a>=50 ORDER BY a;
a
50
51
52
SET DEBUG_SYNC="reset";
include/stop_slave.inc
SET GLOBAL debug_dbug=@old_dbug;
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
include/start_slave.inc
*** MDEV-7326 Server deadlock in connection with parallel replication ***
connection server_2;
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=3;
SET GLOBAL debug_dbug="+d,rpl_parallel_simulate_temp_err_xid";
include/start_slave.inc
connection server_1;
SET @old_format= @@SESSION.binlog_format;
SET binlog_format= STATEMENT;
INSERT INTO t1 VALUES (foo(60,
"rpl_parallel_start_waiting_for_prior SIGNAL t3_ready",
"rpl_parallel_end_of_group SIGNAL prep_ready WAIT_FOR prep_cont"));
connection server_2;
SET DEBUG_SYNC= "now WAIT_FOR prep_ready";
connection server_1;
INSERT INTO t2 VALUES (foo(60,
"rpl_parallel_simulate_temp_err_xid SIGNAL t1_ready1 WAIT_FOR t1_cont1",
"rpl_parallel_retry_after_unmark SIGNAL t1_ready2 WAIT_FOR t1_cont2"));
connection server_2;
SET DEBUG_SYNC= "now WAIT_FOR t1_ready1";
connection con_temp3;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued1 WAIT_FOR master_cont1';
SET binlog_format=statement;
INSERT INTO t1 VALUES (foo(61,
"rpl_parallel_before_mark_start_commit SIGNAL t2_ready1 WAIT_FOR t2_cont1",
"rpl_parallel_after_mark_start_commit SIGNAL t2_ready2"));
connection server_1;
SET debug_sync='now WAIT_FOR master_queued1';
connection con_temp4;
SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued2';
INSERT INTO t6 VALUES (62);
connection server_1;
SET debug_sync='now WAIT_FOR master_queued2';
SET debug_sync='now SIGNAL master_cont1';
connection con_temp3;
connection con_temp4;
connection server_1;
SET debug_sync='RESET';
SET BINLOG_FORMAT= @old_format;
SELECT * FROM t2 WHERE a>=60 ORDER BY a;
a
60
SELECT * FROM t1 WHERE a>=60 ORDER BY a;
a
60
61
SELECT * FROM t6 WHERE a>=60 ORDER BY a;
a
62
connection server_2;
SET DEBUG_SYNC= "now WAIT_FOR t2_ready1";
SET DEBUG_SYNC= "now SIGNAL t1_cont1";
SET DEBUG_SYNC= "now WAIT_FOR t1_ready2";
connection server_2;
SET DEBUG_SYNC= "now SIGNAL prep_cont";
SET DEBUG_SYNC= "now WAIT_FOR t3_ready";
SET DEBUG_SYNC= "now SIGNAL t2_cont1";
SET DEBUG_SYNC= "now WAIT_FOR t2_ready2";
SET DEBUG_SYNC= "now SIGNAL t1_cont2";
connection server_1;
connection server_2;
SELECT * FROM t2 WHERE a>=60 ORDER BY a;
a
60
SELECT * FROM t1 WHERE a>=60 ORDER BY a;
a
60
61
SELECT * FROM t6 WHERE a>=60 ORDER BY a;
a
62
SET DEBUG_SYNC="reset";
include/stop_slave.inc
SET GLOBAL debug_dbug=@old_dbug;
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=10;
include/start_slave.inc
*** MDEV-7335: Potential parallel slave deadlock with specific binlog corruption ***
connection server_2;
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=1;
SET @old_dbug= @@GLOBAL.debug_dbug;
SET GLOBAL debug_dbug="+d,slave_discard_xid_for_gtid_0_x_1000";
connection server_1;
INSERT INTO t2 VALUES (101);
INSERT INTO t2 VALUES (102);
INSERT INTO t2 VALUES (103);
INSERT INTO t2 VALUES (104);
INSERT INTO t2 VALUES (105);
SET gtid_seq_no=1000;
INSERT INTO t2 VALUES (106);
INSERT INTO t2 VALUES (107);
INSERT INTO t2 VALUES (108);
INSERT INTO t2 VALUES (109);
INSERT INTO t2 VALUES (110);
INSERT INTO t2 VALUES (111);
INSERT INTO t2 VALUES (112);
INSERT INTO t2 VALUES (113);
INSERT INTO t2 VALUES (114);
INSERT INTO t2 VALUES (115);
INSERT INTO t2 VALUES (116);
INSERT INTO t2 VALUES (117);
INSERT INTO t2 VALUES (118);
INSERT INTO t2 VALUES (119);
INSERT INTO t2 VALUES (120);
INSERT INTO t2 VALUES (121);
INSERT INTO t2 VALUES (122);
INSERT INTO t2 VALUES (123);
INSERT INTO t2 VALUES (124);
INSERT INTO t2 VALUES (125);
INSERT INTO t2 VALUES (126);
INSERT INTO t2 VALUES (127);
INSERT INTO t2 VALUES (128);
INSERT INTO t2 VALUES (129);
INSERT INTO t2 VALUES (130);
include/save_master_gtid.inc
connection server_2;
include/start_slave.inc
include/sync_with_master_gtid.inc
SELECT * FROM t2 WHERE a >= 100 ORDER BY a;
a
101
102
103
104
105
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
include/stop_slave.inc
SET GLOBAL debug_dbug=@old_dbug;
SET GLOBAL slave_parallel_threads=10;
include/start_slave.inc
*** MDEV-6676 - test syntax of @@slave_parallel_mode ***
connection server_2;
Parallel_Mode = 'conservative'
include/stop_slave.inc
SET GLOBAL slave_parallel_mode='aggressive';
Parallel_Mode = 'aggressive'
SET GLOBAL slave_parallel_mode='conservative';
Parallel_Mode = 'conservative'
*** MDEV-6676 - test that empty parallel_mode does not replicate in parallel ***
connection server_1;
INSERT INTO t2 VALUES (1040);
include/save_master_gtid.inc
connection server_2;
SET GLOBAL slave_parallel_mode='none';
SET @old_dbug= @@GLOBAL.debug_dbug;
SET GLOBAL debug_dbug="+d,slave_crash_if_parallel_apply";
include/start_slave.inc
include/sync_with_master_gtid.inc
SELECT * FROM t2 WHERE a >= 1040 ORDER BY a;
a
1040
include/stop_slave.inc
SET GLOBAL debug_dbug=@old_dbug;
*** MDEV-6676 - test disabling domain-based parallel replication ***
connection server_1;
SET gtid_domain_id = 1;
INSERT INTO t2 VALUES (1041);
INSERT INTO t2 VALUES (1042);
INSERT INTO t2 VALUES (1043);
INSERT INTO t2 VALUES (1044);
INSERT INTO t2 VALUES (1045);
INSERT INTO t2 VALUES (1046);
DELETE FROM t2 WHERE a >= 1041;
SET gtid_domain_id = 2;
INSERT INTO t2 VALUES (1041);
INSERT INTO t2 VALUES (1042);
INSERT INTO t2 VALUES (1043);
INSERT INTO t2 VALUES (1044);
INSERT INTO t2 VALUES (1045);
INSERT INTO t2 VALUES (1046);
SET gtid_domain_id = 0;
include/save_master_gtid.inc
connection server_2;
SET GLOBAL slave_parallel_mode=minimal;
include/start_slave.inc
include/sync_with_master_gtid.inc
SELECT * FROM t2 WHERE a >= 1040 ORDER BY a;
a
1040
1041
1042
1043
1044
1045
1046
*** MDEV-7888: ANALYZE TABLE does wakeup_subsequent_commits(), causing wrong binlog order and parallel replication hang ***
connection server_2;
include/stop_slave.inc
SET GLOBAL slave_parallel_mode='conservative';
SET GLOBAL slave_parallel_threads=10;
SET @old_dbug= @@GLOBAL.debug_dbug;
SET GLOBAL debug_dbug= '+d,inject_analyze_table_sleep';
connection server_1;
SET @old_dbug= @@SESSION.debug_dbug;
SET SESSION debug_dbug="+d,binlog_force_commit_id";
SET @commit_id= 10000;
ANALYZE TABLE t2;
Table	Op	Msg_type	Msg_text
test.t2	analyze	status	OK
INSERT INTO t3 VALUES (120, 0);
SET @commit_id= 10001;
INSERT INTO t3 VALUES (121, 0);
SET SESSION debug_dbug=@old_dbug;
SELECT * FROM t3 WHERE a >= 120 ORDER BY a;
a	b
120	0
121	0
include/save_master_gtid.inc
connection server_2;
include/start_slave.inc
include/sync_with_master_gtid.inc
SELECT * FROM t3 WHERE a >= 120 ORDER BY a;
a	b
120	0
121	0
include/stop_slave.inc
SET GLOBAL debug_dbug= @old_dbug;
include/start_slave.inc
*** MDEV-7929: record_gtid() for non-transactional event group calls wakeup_subsequent_commits() too early, causing slave hang. ***
connection server_2;
include/stop_slave.inc
SET @old_dbug= @@GLOBAL.debug_dbug;
SET GLOBAL debug_dbug= '+d,inject_record_gtid_serverid_100_sleep';
connection server_1;
SET @old_dbug= @@SESSION.debug_dbug;
SET SESSION debug_dbug="+d,binlog_force_commit_id";
SET @old_server_id= @@SESSION.server_id;
SET SESSION server_id= 100;
SET @commit_id= 10010;
ALTER TABLE t1 COMMENT "Hulubulu!";
SET SESSION server_id= @old_server_id;
INSERT INTO t3 VALUES (130, 0);
SET @commit_id= 10011;
INSERT INTO t3 VALUES (131, 0);
SET SESSION debug_dbug=@old_dbug;
SELECT * FROM t3 WHERE a >= 130 ORDER BY a;
a	b
130	0
131	0
include/save_master_gtid.inc
connection server_2;
include/start_slave.inc
include/sync_with_master_gtid.inc
SELECT * FROM t3 WHERE a >= 130 ORDER BY a;
a	b
130	0
131	0
include/stop_slave.inc
SET GLOBAL debug_dbug= @old_dbug;
include/start_slave.inc
*** MDEV-8031: Parallel replication stops on "connection killed" error (probably incorrectly handled deadlock kill) ***
connection server_1;
INSERT INTO t3 VALUES (201,0), (202,0);
include/save_master_gtid.inc
connection server_2;
include/sync_with_master_gtid.inc
include/stop_slave.inc
SET @old_dbug= @@GLOBAL.debug_dbug;
SET GLOBAL debug_dbug= '+d,inject_mdev8031';
connection server_1;
SET @old_dbug= @@SESSION.debug_dbug;
SET SESSION debug_dbug="+d,binlog_force_commit_id";
SET @commit_id= 10200;
INSERT INTO t3 VALUES (203, 1);
INSERT INTO t3 VALUES (204, 1);
INSERT INTO t3 VALUES (205, 1);
UPDATE t3 SET b=b+1 WHERE a=201;
UPDATE t3 SET b=b+1 WHERE a=201;
UPDATE t3 SET b=b+1 WHERE a=201;
UPDATE t3 SET b=b+1 WHERE a=202;
UPDATE t3 SET b=b+1 WHERE a=202;
UPDATE t3 SET b=b+1 WHERE a=202;
UPDATE t3 SET b=b+1 WHERE a=202;
UPDATE t3 SET b=b+1 WHERE a=203;
UPDATE t3 SET b=b+1 WHERE a=203;
UPDATE t3 SET b=b+1 WHERE a=204;
UPDATE t3 SET b=b+1 WHERE a=204;
UPDATE t3 SET b=b+1 WHERE a=204;
UPDATE t3 SET b=b+1 WHERE a=203;
UPDATE t3 SET b=b+1 WHERE a=205;
UPDATE t3 SET b=b+1 WHERE a=205;
SET SESSION debug_dbug=@old_dbug;
SELECT * FROM t3 WHERE a>=200 ORDER BY a;
a	b
201	3
202	4
203	4
204	4
205	3
include/save_master_gtid.inc
connection server_2;
include/start_slave.inc
include/sync_with_master_gtid.inc
SELECT * FROM t3 WHERE a>=200 ORDER BY a;
a	b
201	3
202	4
203	4
204	4
205	3
include/stop_slave.inc
SET GLOBAL debug_dbug= @old_dbug;
include/start_slave.inc
*** Check getting deadlock killed inside open_binlog() during retry. ***
connection server_2;
include/stop_slave.inc
SET @old_dbug= @@GLOBAL.debug_dbug;
SET GLOBAL debug_dbug= '+d,inject_retry_event_group_open_binlog_kill';
SET @old_max= @@GLOBAL.max_relay_log_size;
SET GLOBAL max_relay_log_size= 4096;
connection server_1;
SET @old_dbug= @@SESSION.debug_dbug;
SET SESSION debug_dbug="+d,binlog_force_commit_id";
SET @commit_id= 10210;
Omit long queries that cause relaylog rotations and transaction retries...
SET SESSION debug_dbug=@old_dbug;
SELECT * FROM t3 WHERE a>=200 ORDER BY a;
a	b
201	6
202	8
203	7
204	7
205	5
include/save_master_gtid.inc
connection server_2;
include/start_slave.inc
include/sync_with_master_gtid.inc
SELECT * FROM t3 WHERE a>=200 ORDER BY a;
a	b
201	6
202	8
203	7
204	7
205	5
include/stop_slave.inc
SET GLOBAL debug_dbug= @old_debg;
SET GLOBAL max_relay_log_size= @old_max;
include/start_slave.inc
*** MDEV-8725: Assertion on ROLLBACK statement in the binary log ***
connection server_1;
BEGIN;
INSERT INTO t2 VALUES (2000);
INSERT INTO t1 VALUES (2000);
INSERT INTO t2 VALUES (2001);
ROLLBACK;
SELECT * FROM t1 WHERE a>=2000 ORDER BY a;
a
2000
SELECT * FROM t2 WHERE a>=2000 ORDER BY a;
a
include/save_master_gtid.inc
connection server_2;
include/sync_with_master_gtid.inc
SELECT * FROM t1 WHERE a>=2000 ORDER BY a;
a
2000
SELECT * FROM t2 WHERE a>=2000 ORDER BY a;
a
connection server_2;
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=@old_parallel_threads;
include/start_slave.inc
SET DEBUG_SYNC= 'RESET';
connection server_1;
DROP function foo;
DROP TABLE t1,t2,t3,t4,t5,t6;
SET DEBUG_SYNC= 'RESET';
include/rpl_end.inc