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connection node_2;
connection node_1;
CREATE TABLE t1 (f1 INTEGER) Engine=InnoDB;
INSERT INTO t1 values(0);
connection node_1;
SET GLOBAL wsrep_slave_threads = 10;
SET GLOBAL wsrep_slave_threads = 1;
# Wait 10 slave threads to start 1
connection node_2;
SET SESSION wsrep_sync_wait=15;
# Generate 100 replication events
connection node_1;
SET SESSION wsrep_sync_wait=15;
SELECT COUNT(*) FROM t1;
COUNT(*)
101
# Wait 9 slave threads to exit 1
SET GLOBAL wsrep_slave_threads = 10;
# Wait 10 slave threads to start 2
SET GLOBAL wsrep_slave_threads = 20;
# Wait 20 slave threads to start 3
SET GLOBAL wsrep_slave_threads = 1;
connection node_2;
# Generate 100 replication events
connection node_1;
SELECT COUNT(*) FROM t1;
COUNT(*)
201
# Wait 10 slave threads to exit 3
SET GLOBAL wsrep_slave_threads = 10;
SET GLOBAL wsrep_slave_threads = 1;
# Wait 10 slave threads to start 3
connection node_2;
# Generate 100 replication events
connection node_1;
SELECT COUNT(*) FROM t1;
COUNT(*)
301
# Wait 10 slave threads to exit 4
connection node_1;
DROP TABLE t1;
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