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include/master-slave.inc
[connection master]
#
# MDEV-21953: deadlock between BACKUP STAGE BLOCK_COMMIT and parallel
# replication
#
connection master;
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE = innodb;
INSERT INTO t1 VALUES(100);
connection slave;
include/stop_slave.inc
SET @old_parallel_threads= @@GLOBAL.slave_parallel_threads;
SET @old_parallel_mode = @@GLOBAL.slave_parallel_mode;
SET @@global.slave_parallel_threads= 2;
SET @@global.slave_parallel_mode = 'optimistic';
connection master;
INSERT INTO t1 VALUES (1);
INSERT INTO t1 VALUES (2);
connect aux_slave,127.0.0.1,root,,test,$SLAVE_MYPORT,;
BEGIN;
INSERT INTO t1 VALUES (1);
connection slave;
include/start_slave.inc
connection aux_slave;
connect backup_slave,127.0.0.1,root,,test,$SLAVE_MYPORT,;
BACKUP STAGE START;
BACKUP STAGE BLOCK_COMMIT;
connection aux_slave;
ROLLBACK;
connection backup_slave;
BACKUP STAGE END;
connection slave;
include/diff_tables.inc [master:t1,slave:t1]
connection slave;
include/stop_slave.inc
SET @@global.slave_parallel_threads= @old_parallel_threads;
SET @@global.slave_parallel_mode = @old_parallel_mode;
include/start_slave.inc
connection server_1;
DROP TABLE t1;
include/rpl_end.inc
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