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136 lines
3.8 KiB
Text
136 lines
3.8 KiB
Text
#
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# This tests the very basic operations around wsrep-slave-threads
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# More complex scenarios will be tested separately in the context of
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# parallel replication
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#
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--source include/galera_cluster.inc
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--source include/have_innodb.inc
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--source include/force_restart.inc
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# Save original auto_increment_offset values.
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--let $node_1=node_1
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--let $node_2=node_2
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--source include/auto_increment_offset_save.inc
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--connection node_1
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--let $wsrep_slave_threads_orig = `SELECT @@wsrep_slave_threads`
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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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--let $wsrep_slave_threads_orig_2 = `SELECT @@wsrep_slave_threads`
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CALL mtr.add_suppression("WSREP: Refusing exit for the last slave thread\\.");
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# Setting wsrep_slave_threads to zero triggers a warning
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SET GLOBAL wsrep_slave_threads = 0;
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SHOW WARNINGS;
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SELECT @@wsrep_slave_threads = 1;
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SET GLOBAL wsrep_slave_threads = 1;
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# There is a separate wsrep_aborter thread at all times
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SELECT COUNT(*) FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'system user' AND STATE LIKE '%wsrep aborter%';
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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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--let $wait_timeout=600
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--let $wait_condition = SELECT COUNT(*) = 1 FROM t1;
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--source include/wait_condition.inc
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SELECT COUNT(*) FROM t1;
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#
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# Increase the number of slave threads. The change takes effect immediately
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#
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SET GLOBAL wsrep_slave_threads = 64;
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--let $wait_condition = SELECT VARIABLE_VALUE = 64 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_applier_thread_count';
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--source include/wait_condition.inc
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#
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# Reduce the number of slave threads. The change is not immediate -- a thread will only exit after a replication event
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#
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SET GLOBAL wsrep_slave_threads = 1;
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--connection node_1
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--disable_result_log
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--disable_query_log
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# Generate 70 replication events
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--let $count = 70
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while ($count)
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{
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INSERT INTO t2 VALUES (DEFAULT);
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--dec $count
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}
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--enable_query_log
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--enable_result_log
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--connection node_2
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SELECT COUNT(*) FROM t2;
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--let $wait_condition = SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_applier_thread_count';
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--source include/wait_condition.inc
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--disable_query_log
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--eval SET GLOBAL wsrep_slave_threads = $wsrep_slave_threads_orig_2;
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--enable_query_log
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DROP TABLE t1;
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DROP TABLE t2;
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--echo #
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--echo # lp:1372840 - Changing wsrep_slave_threads causes future connections to hang
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--echo #
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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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--let $wait_condition = SELECT VARIABLE_VALUE = 4 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_applier_thread_count';
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--source include/wait_condition.inc
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SET GLOBAL wsrep_slave_threads = 1;
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--connection node_1
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--disable_query_log
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--eval SET GLOBAL wsrep_slave_threads = $wsrep_slave_threads_orig;
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--enable_query_log
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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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--disable_query_log
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--eval SET GLOBAL wsrep_slave_threads = $wsrep_slave_threads_orig_2;
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--enable_query_log
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# Wait until above DDL is replicated
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#
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# make sure that we are left with exactly one applier thread before we leaving the test
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#
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--let $wait_condition = SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_applier_thread_count';
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--source include/wait_condition.inc
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SELECT NAME FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE 'test/t%';
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# Restore original auto_increment_offset values.
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--source include/auto_increment_offset_restore.inc
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--echo # End of tests
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