*** MDEV-6676 - test syntax of @@slave_parallel_mode ***
include/master-slave.inc
[connection master]
connection server_2;
include/stop_slave.inc
SET @old_parallel_threads=@@GLOBAL.slave_parallel_threads;
SET @old_parallel_mode=@@GLOBAL.slave_parallel_mode;
SET GLOBAL slave_parallel_threads=10;
CHANGE MASTER TO master_use_gtid=slave_pos;
include/start_slave.inc
connection server_1;
ALTER TABLE mysql.gtid_slave_pos ENGINE=InnoDB;
CREATE TABLE t2 (a int PRIMARY KEY) ENGINE=InnoDB;
connection server_2;
Parallel_Mode = 'optimistic'
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
include/stop_slave.inc
SET GLOBAL debug_dbug=@old_dbug;
SET GLOBAL slave_parallel_threads=@old_parallel_threads;
SET GLOBAL slave_parallel_mode=@old_parallel_mode;
include/start_slave.inc
connection server_1;
DROP TABLE t2;
include/rpl_end.inc