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61 lines
1.6 KiB
Text
61 lines
1.6 KiB
Text
#
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# Desync will be done once the global read lock is acquired and resync will be done when
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# it is released.
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# Node should temporarily not participate in flow control
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# so even if fc_limit has been reached, the master should be able to continue to
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# commit transactions.
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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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CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
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INSERT INTO t1 VALUES (1);
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--connection node_2
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--let $wsrep_provider_options_orig = `SELECT @@wsrep_provider_options`
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SET GLOBAL wsrep_provider_options = 'gcs.fc_limit=1';
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# Block the slave applier thread
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FLUSH TABLES WITH READ LOCK;
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--connection node_1
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# Without wsrep_desync = TRUE it would not be possible to perform 10 inserts on the master with gcs.fc_limit=1
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INSERT INTO t1 VALUES (2);
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INSERT INTO t1 VALUES (3);
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INSERT INTO t1 VALUES (4);
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INSERT INTO t1 VALUES (5);
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INSERT INTO t1 VALUES (6);
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INSERT INTO t1 VALUES (7);
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INSERT INTO t1 VALUES (8);
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INSERT INTO t1 VALUES (9);
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INSERT INTO t1 VALUES (10);
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--sleep 1
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--connection node_2
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SET SESSION wsrep_sync_wait = 0;
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# No updates have arrived after the FLUSH TABLES
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SELECT COUNT(*) = 1 FROM t1;
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--disable_query_log
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--eval SET GLOBAL wsrep_provider_options = '$wsrep_provider_options_orig';
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--enable_query_log
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UNLOCK TABLES;
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SET SESSION wsrep_sync_wait = 1;
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# The slave is now fully caught up
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SELECT COUNT(*) = 10 FROM t1;
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--connection node_1
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INSERT INTO t1 VALUES (11);
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--connection node_2
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# Replication continues normally
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SELECT COUNT(*) = 11 FROM t1;
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CALL mtr.add_suppression("Protocol violation");
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DROP TABLE t1;
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--connection node_1
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CALL mtr.add_suppression("Protocol violation");
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