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Problem was that tests select INFORMATION_SCHEMA.PROCESSLIST processes from user system user and empty state. Thus, there is not clear state for slave threads. Changes: - Added new status variables that store current amount of applier threads (wsrep_applier_thread_count) and rollbacker threads (wsrep_rollbacker_thread_count). This will make clear how many slave threads of certain type there is. - Added THD state "wsrep applier idle" when applier slave thread is waiting for work. This makes finding slave/applier threads easier. - Added force-restart option for mtr to always restart servers between tests to avoid race on start of the test - Added wait_condition_with_debug to wait until the passed statement returns true, or the operation times out. If operation times out, the additional error statement will be executed Changes to be committed: new file: mysql-test/include/force_restart.inc new file: mysql-test/include/wait_condition_with_debug.inc modified: mysql-test/mysql-test-run.pl modified: mysql-test/suite/galera/disabled.def modified: mysql-test/suite/galera/r/MW-336.result modified: mysql-test/suite/galera/r/galera_kill_applier.result modified: mysql-test/suite/galera/r/galera_var_slave_threads.result new file: mysql-test/suite/galera/t/MW-336.cnf modified: mysql-test/suite/galera/t/MW-336.test modified: mysql-test/suite/galera/t/galera_kill_applier.test modified: mysql-test/suite/galera/t/galera_parallel_autoinc_largetrx.test modified: mysql-test/suite/galera/t/galera_parallel_autoinc_manytrx.test modified: mysql-test/suite/galera/t/galera_var_slave_threads.test modified: mysql-test/suite/wsrep/disabled.def modified: mysql-test/suite/wsrep/r/variables.result modified: mysql-test/suite/wsrep/t/variables.test modified: sql/mysqld.cc modified: sql/wsrep_mysqld.cc modified: sql/wsrep_mysqld.h modified: sql/wsrep_thd.cc modified: sql/wsrep_var.cc
56 lines
1.6 KiB
Plaintext
56 lines
1.6 KiB
Plaintext
connection node_1;
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CREATE TABLE t1 (f1 INT PRIMARY KEY) Engine=InnoDB;
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CREATE TABLE t2 (f1 INT AUTO_INCREMENT PRIMARY KEY) Engine=InnoDB;
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connection node_2;
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CALL mtr.add_suppression("WSREP: Refusing exit for the last slave thread.");
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SET GLOBAL wsrep_slave_threads = 0;
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Warnings:
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Warning 1292 Truncated incorrect wsrep_slave_threads value: '0'
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SHOW WARNINGS;
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Level Code Message
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Warning 1292 Truncated incorrect wsrep_slave_threads value: '0'
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SELECT @@wsrep_slave_threads = 1;
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@@wsrep_slave_threads = 1
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1
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SET GLOBAL wsrep_slave_threads = 1;
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SELECT COUNT(*) FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'system user' AND STATE LIKE '%wsrep aborter%';
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COUNT(*)
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1
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connection node_1;
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INSERT INTO t1 VALUES (1);
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connection node_2;
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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1
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SET GLOBAL wsrep_slave_threads = 64;
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SET GLOBAL wsrep_slave_threads = 1;
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connection node_1;
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connection node_2;
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SELECT COUNT(*) FROM t2;
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COUNT(*)
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70
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SET GLOBAL wsrep_slave_threads = 1;
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DROP TABLE t1;
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DROP TABLE t2;
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#
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# lp:1372840 - Changing wsrep_slave_threads causes future connections to hang
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#
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connection node_1;
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CREATE TABLE t1 (i INT AUTO_INCREMENT PRIMARY KEY) ENGINE=INNODB;
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connection node_2;
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SET GLOBAL wsrep_slave_threads = 4;
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SET GLOBAL wsrep_slave_threads = 1;
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connection node_1;
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INSERT INTO t1 VALUES (DEFAULT);
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INSERT INTO t1 VALUES (DEFAULT);
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INSERT INTO t1 VALUES (DEFAULT);
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INSERT INTO t1 VALUES (DEFAULT);
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INSERT INTO t1 VALUES (DEFAULT);
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INSERT INTO t1 VALUES (DEFAULT);
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INSERT INTO t1 VALUES (DEFAULT);
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INSERT INTO t1 VALUES (DEFAULT);
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DROP TABLE t1;
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connection node_2;
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SELECT NAME FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE 'test/t%';
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NAME
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