*** Test killing thread that is waiting to start transaction until previous transaction commits ***
include/master-slave.inc
[connection master]
connection server_2;
SET @old_parallel_threads=@@GLOBAL.slave_parallel_threads;
SET @old_parallel_mode= @@GLOBAL.slave_parallel_mode;
include/stop_slave.inc
SET sql_log_bin=0;
CALL mtr.add_suppression("Query execution was interrupted");
CALL mtr.add_suppression("Slave: Connection was killed");
CALL mtr.add_suppression("Commit failed due to failure of an earlier commit on which this one depends");
SET sql_log_bin=1;
SET GLOBAL slave_parallel_threads=10;
SET GLOBAL slave_parallel_mode= 'conservative';
CHANGE MASTER TO master_use_gtid=slave_pos;
include/start_slave.inc
connection server_1;
connect  con_temp3,127.0.0.1,root,,test,$SERVER_MYPORT_1,;
connect  con_temp4,127.0.0.1,root,,test,$SERVER_MYPORT_1,;
connect  con_temp5,127.0.0.1,root,,test,$SERVER_MYPORT_1,;
ALTER TABLE mysql.gtid_slave_pos ENGINE=InnoDB;
CREATE TABLE t3 (a INT PRIMARY KEY, b INT) ENGINE=InnoDB;
INSERT INTO t3 VALUES(100, 100);
connection server_2;
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;
connection server_2;
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;
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=0;
SET GLOBAL slave_parallel_threads=4;
include/start_slave.inc
connection server_1;
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;
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
100	100
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
100	100
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
100	100
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 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;
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
100	100
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);
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
100	100
connection server_2;
include/stop_slave.inc
SET GLOBAL slave_parallel_mode=@old_parallel_mode;
SET GLOBAL slave_parallel_threads=@old_parallel_threads;
include/start_slave.inc
SET DEBUG_SYNC= 'RESET';
connection server_1;
DROP function foo;
DROP TABLE t3;
SET DEBUG_SYNC= 'RESET';
include/rpl_end.inc