connection node_2;
connection node_1;
connection node_1;
connection node_2;
connection node_3;
# gtid_strict_mode must be enabled on all nodes
SELECT @@global.gtid_strict_mode AS gtid_strict_mode;
gtid_strict_mode
1
connection node_1;
connection node_2;
connection node_3;
connection node_3;
connection node_1;
connection node_1;
SET SESSION wsrep_sync_wait = 0 ;
SET GLOBAL debug_dbug = '+d,sync.after_mdl_block_ddl' ;
connection node_1;
SET DEBUG_SYNC = 'now WAIT_FOR sync.after_mdl_block_ddl_reached' ;
connect node_1_freeze, 127 .0 .0 .1 , root, , test, $NODE_MYPORT_1;
connection node_1_freeze;
SET DEBUG_SYNC = 'commit_before_get_LOCK_commit_ordered SIGNAL t_frozen WAIT_FOR t_go' ;
INSERT INTO t1 (val) VALUES (1 );
connection node_1;
SET DEBUG_SYNC = 'now WAIT_FOR t_frozen' ;
SET DEBUG_SYNC = 'now SIGNAL signal.after_mdl_block_ddl_continue' ;
SET DEBUG_SYNC = 'now SIGNAL t_go' ;
connection node_1_freeze;
connection node_1;
SET DEBUG_SYNC = 'RESET' ;
SET GLOBAL debug_dbug = '' ;
connection node_1;
connection node_3;
connection node_1;
connection node_2;
connection node_3;
connection node_1;
SET SESSION wsrep_sync_wait = 15 ;
SELECT VARIABLE_VALUE AS wsrep_cluster_size FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size' ;
wsrep_cluster_size
3
connection node_3;
SET SESSION wsrep_sync_wait = 15 ;
count_match checksum_match gtid_match
1 1 1
connection node_2;
SET SESSION wsrep_sync_wait = 15 ;
count_match checksum_match gtid_match
1 1 1
DROP TABLE t1;
disconnect node_2;
disconnect node_1;
Messung V0.5 in Prozent C=18 H=100 G=71
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-10-08)
¤
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