connection node_2;
connection node_1;
connect node_2a, 127 .0 .0 .1 , root, , test, $NODE_MYPORT_2;
connect node_2b, 127 .0 .0 .1 , root, , test, $NODE_MYPORT_2;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 CHAR(255 )) ENGINE=InnoDB;
connection node_2;
SET SESSION wsrep_trx_fragment_size = 1 ;
START TRANSACTION;
INSERT INTO t1 VALUES (1 , 'x' );
connection node_2a;
SET GLOBAL wsrep_provider_options = 'dbug=d,before_local_commit_monitor_enter' ;
connection node_2;
COMMIT;
connection node_2b;
SET SESSION wsrep_sync_wait = 0 ;
SELECT COUNT(*) AS EXPECT_0 FROM t1;
EXPECT_0
0
connection node_1;
SET SESSION wsrep_sync_wait = 0 ;
SET SESSION wsrep_trx_fragment_size = 1 ;
SELECT COUNT(*) AS EXPECT_1 FROM t1;
EXPECT_1
1
REPLACE INTO t1 VALUES (1 ,'y' );
connection node_2b;
SELECT COUNT(*) AS EXPECT_0 FROM t1;
EXPECT_0
0
connection node_2a;
SET GLOBAL wsrep_provider_options = 'signal=before_local_commit_monitor_enter' ;
SET GLOBAL wsrep_provider_options = 'dbug=' ;
connection node_2;
SELECT COUNT(*) AS EXPECT_1 FROM t1;
EXPECT_1
1
DROP TABLE t1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 CHAR(255 )) ENGINE=InnoDB;
connection node_2;
SET SESSION wsrep_trx_fragment_size = 1 ;
START TRANSACTION;
INSERT INTO t1 VALUES (1 , 'x' );
connection node_2a;
SET GLOBAL wsrep_provider_options = 'dbug=d,before_certify_apply_monitor_enter' ;
connection node_2;
COMMIT;
connection node_2b;
SET SESSION wsrep_sync_wait = 0 ;
SELECT COUNT(*) AS EXPECT_0 FROM t1;
EXPECT_0
0
connection node_1;
SET SESSION wsrep_sync_wait = 0 ;
SET SESSION wsrep_trx_fragment_size = 1 ;
SELECT COUNT(*) AS EXPECT_1 FROM t1;
EXPECT_1
1
REPLACE INTO t1 VALUES (1 ,'y' );
connection node_2b;
SELECT COUNT(*) AS EXPECT_0 FROM t1;
EXPECT_0
0
connection node_2a;
SET GLOBAL wsrep_provider_options = 'signal=before_certify_apply_monitor_enter' ;
SET GLOBAL wsrep_provider_options = 'dbug=' ;
connection node_2;
SELECT COUNT(*) AS EXPECT_1 FROM t1;
EXPECT_1
1
DROP TABLE t1;
Messung V0.5 in Prozent C=23 H=100 G=72
¤ Dauer der Verarbeitung: 0.1 Sekunden
(vorverarbeitet am 2026-10-08)
¤
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