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72 lines
2.4 KiB
Text
72 lines
2.4 KiB
Text
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include/master-slave.inc
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[connection master]
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connection server_2;
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SET @old_parallel_threads=@@GLOBAL.slave_parallel_threads;
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SET GLOBAL slave_parallel_threads=10;
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ERROR HY000: This operation cannot be performed as you have a running slave ''; run STOP SLAVE '' first
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include/stop_slave.inc
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SET GLOBAL slave_parallel_threads=10;
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SELECT IF(COUNT(*) < 10, "OK", CONCAT("Found too many system user processes: ", COUNT(*))) FROM information_schema.processlist WHERE user = "system user";
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IF(COUNT(*) < 10, "OK", CONCAT("Found too many system user processes: ", COUNT(*)))
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OK
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CHANGE MASTER TO master_use_gtid=slave_pos;
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include/start_slave.inc
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SELECT IF(COUNT(*) >= 10, "OK", CONCAT("Found too few system user processes: ", COUNT(*))) FROM information_schema.processlist WHERE user = "system user";
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IF(COUNT(*) >= 10, "OK", CONCAT("Found too few system user processes: ", COUNT(*)))
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OK
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include/stop_slave.inc
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SELECT IF(COUNT(*) < 10, "OK", CONCAT("Found too many system user processes: ", COUNT(*))) FROM information_schema.processlist WHERE user = "system user";
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IF(COUNT(*) < 10, "OK", CONCAT("Found too many system user processes: ", COUNT(*)))
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OK
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include/start_slave.inc
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SELECT IF(COUNT(*) >= 10, "OK", CONCAT("Found too few system user processes: ", COUNT(*))) FROM information_schema.processlist WHERE user = "system user";
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IF(COUNT(*) >= 10, "OK", CONCAT("Found too few system user processes: ", COUNT(*)))
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OK
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*** Test long-running query in domain 1 can run in parallel with short queries in domain 0 ***
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connection server_1;
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ALTER TABLE mysql.gtid_slave_pos ENGINE=InnoDB;
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CREATE TABLE t1 (a int PRIMARY KEY) ENGINE=MyISAM;
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CREATE TABLE t2 (a int PRIMARY KEY) ENGINE=InnoDB;
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INSERT INTO t1 VALUES (1);
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INSERT INTO t2 VALUES (1);
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connection server_2;
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connect con_temp1,127.0.0.1,root,,test,$SERVER_MYPORT_2,;
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LOCK TABLE t1 WRITE;
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connection server_1;
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SET gtid_domain_id=1;
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INSERT INTO t1 VALUES (2);
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SET gtid_domain_id=0;
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INSERT INTO t2 VALUES (2);
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INSERT INTO t2 VALUES (3);
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BEGIN;
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INSERT INTO t2 VALUES (4);
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INSERT INTO t2 VALUES (5);
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COMMIT;
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INSERT INTO t2 VALUES (6);
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connection server_2;
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SELECT * FROM t2 ORDER by a;
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a
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1
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2
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3
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4
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5
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6
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connection con_temp1;
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SELECT * FROM t1;
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a
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1
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UNLOCK TABLES;
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connection server_2;
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SELECT * FROM t1 ORDER BY a;
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a
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1
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2
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connection server_2;
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include/stop_slave.inc
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SET GLOBAL slave_parallel_threads=@old_parallel_threads;
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include/start_slave.inc
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connection server_1;
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DROP TABLE t1,t2;
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include/rpl_end.inc
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