*** MDEV-7335: Potential parallel slave deadlock with specific binlog corruption ***
include/master-slave.inc
[connection master]
connection server_2;
include/stop_slave.inc
SET @old_parallel_threads=@@GLOBAL.slave_parallel_threads;
SET GLOBAL slave_parallel_threads=10;
CHANGE MASTER TO master_use_gtid=slave_pos;
include/start_slave.inc
connection server_1;
ALTER TABLE mysql.gtid_slave_pos ENGINE=InnoDB;
CREATE TABLE t2 (a int PRIMARY KEY) ENGINE=InnoDB;
connection server_2;
include/stop_slave.inc
SET GLOBAL slave_parallel_threads=1;
SET @old_dbug= @@GLOBAL.debug_dbug;
SET GLOBAL debug_dbug="+d,slave_discard_xid_for_gtid_0_x_1000";
CALL mtr.add_suppression("Unexpected break of being relay-logged GTID");
connection server_1;
INSERT INTO t2 VALUES (101);
INSERT INTO t2 VALUES (102);
INSERT INTO t2 VALUES (103);
INSERT INTO t2 VALUES (104);
INSERT INTO t2 VALUES (105);
SET gtid_seq_no=1000;
INSERT INTO t2 VALUES (106);
INSERT INTO t2 VALUES (107);
INSERT INTO t2 VALUES (108);
INSERT INTO t2 VALUES (109);
INSERT INTO t2 VALUES (110);
INSERT INTO t2 VALUES (111);
INSERT INTO t2 VALUES (112);
INSERT INTO t2 VALUES (113);
INSERT INTO t2 VALUES (114);
INSERT INTO t2 VALUES (115);
INSERT INTO t2 VALUES (116);
INSERT INTO t2 VALUES (117);
INSERT INTO t2 VALUES (118);
INSERT INTO t2 VALUES (119);
INSERT INTO t2 VALUES (120);
INSERT INTO t2 VALUES (121);
INSERT INTO t2 VALUES (122);
INSERT INTO t2 VALUES (123);
INSERT INTO t2 VALUES (124);
INSERT INTO t2 VALUES (125);
INSERT INTO t2 VALUES (126);
INSERT INTO t2 VALUES (127);
INSERT INTO t2 VALUES (128);
INSERT INTO t2 VALUES (129);
INSERT INTO t2 VALUES (130);
include/save_master_gtid.inc
connection server_2;
include/start_slave.inc
include/sync_with_master_gtid.inc
SELECT * FROM t2 WHERE a >= 100 ORDER BY a;
a
101
102
103
104
105
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
include/stop_slave.inc
SET GLOBAL debug_dbug=@old_dbug;
SET GLOBAL slave_parallel_threads=@old_parallel_threads;
include/start_slave.inc
SET DEBUG_SYNC= 'RESET';
connection server_1;
DROP TABLE t2;
SET DEBUG_SYNC= 'RESET';
include/rpl_end.inc