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connection node_2;
connection node_1;
connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1;
connection node_1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY AUTO_INCREMENT) ENGINE=InnoDB;
SET SESSION wsrep_trx_fragment_size = 2;
SET SESSION wsrep_trx_fragment_unit = 'statements';
SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
COUNT(*) = 0
1
SET AUTOCOMMIT=OFF;
START TRANSACTION;
connection node_1a;
SET GLOBAL DEBUG_DBUG = 'd,sync.wsrep_apply_cb';
SET SESSION wsrep_sync_wait = 0;
connection node_2;
INSERT INTO t1 VALUES (1);
connection node_1a;
SET SESSION debug_sync = "now WAIT_FOR sync.wsrep_apply_cb_reached";
SELECT COUNT(*) = 0 FROM t1;
COUNT(*) = 0
1
connection node_1;
SELECT COUNT(*) = 0 FROM t1;
COUNT(*) = 0
1
INSERT INTO t1 VALUES (1);;
connection node_1a;
connection node_1a;
SET GLOBAL DEBUG_DBUG = '';
SET DEBUG_SYNC='now SIGNAL signal.wsrep_apply_cb';
connection node_1;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
COMMIT;
SELECT COUNT(*) = 1 FROM t1;
COUNT(*) = 1
1
SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
COUNT(*) = 0
1
connection node_2;
SELECT COUNT(*) = 1 FROM t1;
COUNT(*) = 1
1
SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
COUNT(*) = 0
1
connection node_1a;
SET DEBUG_SYNC = 'RESET';
connection node_1;
TRUNCATE TABLE t1;
SET SESSION wsrep_trx_fragment_size = 10;
SET SESSION wsrep_trx_fragment_unit = 'bytes';
SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
COUNT(*) = 0
1
SET AUTOCOMMIT=OFF;
START TRANSACTION;
connection node_1a;
SET GLOBAL DEBUG_DBUG = 'd,sync.wsrep_apply_cb';
SET SESSION wsrep_sync_wait = 0;
connection node_2;
INSERT INTO t1 VALUES (1);
connection node_1a;
SET SESSION debug_sync = "now WAIT_FOR sync.wsrep_apply_cb_reached";
SELECT COUNT(*) = 0 FROM t1;
COUNT(*) = 0
1
connection node_1;
SELECT COUNT(*) = 0 FROM t1;
COUNT(*) = 0
1
INSERT INTO t1 VALUES (1);
connection node_1a;
SET GLOBAL DEBUG_DBUG = '';
SET DEBUG_SYNC='now SIGNAL signal.wsrep_apply_cb';
connection node_1;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
ROLLBACK;
SELECT * FROM t1;
f1
1
SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
COUNT(*) = 0
1
connection node_2;
SELECT * FROM t1;
f1
1
SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
COUNT(*) = 0
1
connection node_1a;
SET DEBUG_SYNC = 'RESET';
connection node_1;
TRUNCATE TABLE t1;
SET SESSION wsrep_trx_fragment_size = 200;
SET SESSION wsrep_trx_fragment_unit = 'bytes';
SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
COUNT(*) = 0
1
SET AUTOCOMMIT=OFF;
START TRANSACTION;
connection node_1a;
SET GLOBAL DEBUG_DBUG = 'd,sync.wsrep_apply_cb';
SET SESSION wsrep_sync_wait = 0;
connection node_2;
INSERT INTO t1 VALUES (1);
connection node_1a;
SET SESSION debug_sync = "now WAIT_FOR sync.wsrep_apply_cb_reached";
SELECT COUNT(*) = 0 FROM t1;
COUNT(*) = 0
1
connection node_1;
INSERT INTO t1 VALUES (1);
INSERT INTO t1 VALUES (2);
connection node_1a;
SET GLOBAL DEBUG_DBUG = '';
SET DEBUG_SYNC='now SIGNAL signal.wsrep_apply_cb';
connection node_1;
ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
COMMIT;
SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
COUNT(*) = 0
1
connection node_2;
SELECT COUNT(*) = 1 FROM t1;
COUNT(*) = 1
1
SELECT COUNT(*) = 0 FROM mysql.wsrep_streaming_log;
COUNT(*) = 0
1
connection node_1a;
DROP TABLE t1;
SET DEBUG_SYNC = 'RESET';
connection node_2;
CALL mtr.add_suppression("WSREP: Could not find applier context for");
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