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connection node_2;
connection node_1;
connect node_1_ctrl, 127.0.0.1, root, , test, $NODE_MYPORT_1;
SET SESSION wsrep_sync_wait=0;
#
# Case 1: FTWRL
#
connection node_1;
SET SESSION wsrep_sync_wait=0;
FLUSH TABLES WITH READ LOCK;
SHOW STATUS LIKE 'wsrep_local_state_comment';
Variable_name Value
wsrep_local_state_comment Donor/Desynced
SET SESSION debug_sync = "wsrep_unlock_global_read_lock_after_resume_and_resync SIGNAL unlock_ready WAIT_FOR unlock_continue";
UNLOCK TABLES;
connection node_1_ctrl;
SET debug_sync = "now WAIT_FOR unlock_ready";
connect node_1_a, 127.0.0.1, root, , test, $NODE_MYPORT_1;
connection node_1_a;
SET SESSION debug_sync = "wsrep_global_read_lock_block_commit_after_pause SIGNAL lock_ready WAIT_FOR lock_continue";
FLUSH TABLES WITH READ LOCK;
connection node_1_ctrl;
SET debug_sync = "now WAIT_FOR lock_ready";
SET debug_sync = "now SIGNAL unlock_continue";
connection node_1;
connection node_1_ctrl;
SET debug_sync = "now SIGNAL lock_continue";
connection node_1_a;
UNLOCK TABLES;
CREATE TABLE t1 (f1 INT PRIMARY KEY) ENGINE=InnoDB;
DROP TABLE t1;
connection node_1_ctrl;
SET debug_sync = "RESET";
#
# Case 2: BACKUP STAGE
#
connection node_1;
SET SESSION wsrep_sync_wait=0;
BACKUP STAGE START;
BACKUP STAGE BLOCK_DDL;
SHOW STATUS LIKE 'wsrep_local_state_comment';
Variable_name Value
wsrep_local_state_comment Donor/Desynced
SET SESSION debug_sync = "wsrep_backup_stage_after_resume_and_resync SIGNAL resume_and_resync_ready WAIT_FOR resume_and_resync_continue";
BACKUP STAGE END;
connection node_1_ctrl;
SET debug_sync = "now WAIT_FOR resume_and_resync_ready";
connection node_1_a;
BACKUP STAGE START;
SET SESSION debug_sync = "wsrep_backup_stage_after_desync_and_pause SIGNAL desync_and_pause_ready WAIT_FOR desync_and_pause_continue";
BACKUP STAGE BLOCK_DDL;
connection node_1_ctrl;
SET debug_sync = "now WAIT_FOR desync_and_pause_ready";
SET debug_sync = "now SIGNAL resume_and_resync_continue";
connection node_1;
connection node_1_ctrl;
SET debug_sync = "now SIGNAL desync_and_pause_continue";
connection node_1_a;
BACKUP STAGE END;
CREATE TABLE t1 (f1 INT PRIMARY KEY) ENGINE=InnoDB;
DROP TABLE t1;
connection node_1_ctrl;
SET debug_sync = "RESET";
#
# Case 3: FTWRL first, BACKUP STAGE second
#
connection node_1;
SET SESSION wsrep_sync_wait=0;
SET SESSION wsrep_sync_wait=0;
FLUSH TABLES WITH READ LOCK;
SHOW STATUS LIKE 'wsrep_local_state_comment';
Variable_name Value
wsrep_local_state_comment Donor/Desynced
SET SESSION debug_sync = "wsrep_unlock_global_read_lock_after_resume_and_resync SIGNAL unlock_ready WAIT_FOR unlock_continue";
UNLOCK TABLES;
connection node_1_ctrl;
SET debug_sync = "now WAIT_FOR unlock_ready";
connection node_1_a;
BACKUP STAGE START;
SET SESSION debug_sync = "wsrep_backup_stage_after_desync_and_pause SIGNAL desync_and_pause_ready WAIT_FOR desync_and_pause_continue";
BACKUP STAGE BLOCK_DDL;
connection node_1_ctrl;
SET debug_sync = "now WAIT_FOR desync_and_pause_ready";
SET debug_sync = "now SIGNAL unlock_continue";
connection node_1;
connection node_1_ctrl;
SET debug_sync = "now SIGNAL desync_and_pause_continue";
connection node_1_a;
BACKUP STAGE END;
CREATE TABLE t1 (f1 INT PRIMARY KEY) ENGINE=InnoDB;
DROP TABLE t1;
connection node_1_ctrl;
SET debug_sync = "RESET";
#
# Case 4: BACKUP STAGE first, then FTWRL
#
connection node_1;
SET SESSION wsrep_sync_wait=0;
BACKUP STAGE START;
BACKUP STAGE BLOCK_DDL;
SHOW STATUS LIKE 'wsrep_local_state_comment';
Variable_name Value
wsrep_local_state_comment Donor/Desynced
SET SESSION debug_sync = "wsrep_backup_stage_after_resume_and_resync SIGNAL resume_and_resync_ready WAIT_FOR resume_and_resync_continue";
BACKUP STAGE END;
connection node_1_ctrl;
SET debug_sync = "now WAIT_FOR resume_and_resync_ready";
connection node_1_a;
SET SESSION debug_sync = "wsrep_global_read_lock_block_commit_after_pause SIGNAL lock_ready WAIT_FOR lock_continue";
FLUSH TABLES WITH READ LOCK;
connection node_1_ctrl;
SET debug_sync = "now WAIT_FOR lock_ready";
SET debug_sync = "now SIGNAL resume_and_resync_continue";
connection node_1;
connection node_1_ctrl;
SET debug_sync = "now SIGNAL lock_continue";
connection node_1_a;
UNLOCK TABLES;
CREATE TABLE t1 (f1 INT PRIMARY KEY) ENGINE=InnoDB;
DROP TABLE t1;
connection node_1_ctrl;
SET debug_sync = "RESET";
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