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" );
Messung V0.5 in Prozent C=90 H=95 G=92
¤ Dauer der Verarbeitung: 0.3 Sekunden
¤
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