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connection node_2;
connection node_1;
connect node_3, 127.0.0.1, root, , test, $NODE_MYPORT_3;
connect node_1_ctrl, 127.0.0.1, root, , test, $NODE_MYPORT_1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1);
connection node_3;
SET GLOBAL wsrep_slave_threads = 2;
connection node_1_ctrl;
SET SESSION wsrep_sync_wait=0;
connection node_1;
SET DEBUG_SYNC = 'wsrep_before_certification SIGNAL before_cert WAIT_FOR continue';
UPDATE t1 SET f1 = f1 + 10;;
connection node_1_ctrl;
SET DEBUG_SYNC = 'now WAIT_FOR before_cert';
SET GLOBAL debug_dbug = '+d,sync.wsrep_retry_autocommit';
connection node_2;
UPDATE t1 SET f1 = f1 + 100;;
connection node_1_ctrl;
SET DEBUG_SYNC = 'now WAIT_FOR wsrep_retry_autocommit_reached';
SET GLOBAL debug_dbug = NULL;
SET DEBUG_SYNC = 'now SIGNAL wsrep_retry_autocommit_continue';
connection node_1;
connection node_2;
connection node_3;
SELECT f1 = 111 FROM t1;
f1 = 111
1
SELECT COUNT(*) IN (1, 2) FROM INFORMATION_SCHEMA.PROCESSLIST WHERE USER = 'system user' AND (STATE LIKE '%committed%' OR STATE LIKE 'Waiting for certification');
COUNT(*) IN (1, 2)
1
SET GLOBAL wsrep_slave_threads = DEFAULT;
DROP TABLE t1;
connection node_1;
SET DEBUG_SYNC= 'RESET';
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