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a290b807e8
MDEV-17058: Test failure on wsrep.variables MDEV-17060: Test failure on galera.galera_var_slave_threads Fix incorrect calculation of increased applier (slave) threads. Note that increase change takes effect "immediately" but we should use proper wait condition to wait it. Reducing the number of slave threads is not immediate as thread will only exit after a replication event.
101 lines
2.7 KiB
Plaintext
101 lines
2.7 KiB
Plaintext
CREATE TABLE t1 (f1 INTEGER) Engine=InnoDB;
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connection node_1;
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SET GLOBAL wsrep_slave_threads = 10;
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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 IS NULL OR STATE NOT LIKE 'InnoDB%');
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COUNT(*)
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11
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SHOW STATUS LIKE 'wsrep_thread_count';
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Variable_name Value
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wsrep_thread_count 11
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connection node_2;
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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connection node_1;
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SET GLOBAL wsrep_slave_threads = 10;
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SET GLOBAL wsrep_slave_threads = 20;
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SET GLOBAL wsrep_slave_threads = 1;
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connection node_2;
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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SET GLOBAL wsrep_slave_threads = 10;
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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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connection node_2;
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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connection node_1;
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SET GLOBAL wsrep_slave_threads = 1;
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connection node_2;
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t1 VALUES (1);
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connection node_1;
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DROP TABLE t1;
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