diff options
Diffstat (limited to 'mysql-test/suite/rpl/t/rpl_parallel_record_gtid_wakeup.test')
| -rw-r--r-- | mysql-test/suite/rpl/t/rpl_parallel_record_gtid_wakeup.test | 73 |
1 files changed, 72 insertions, 1 deletions
diff --git a/mysql-test/suite/rpl/t/rpl_parallel_record_gtid_wakeup.test b/mysql-test/suite/rpl/t/rpl_parallel_record_gtid_wakeup.test index 4529a268103..0f94d8f9943 100644 --- a/mysql-test/suite/rpl/t/rpl_parallel_record_gtid_wakeup.test +++ b/mysql-test/suite/rpl/t/rpl_parallel_record_gtid_wakeup.test @@ -1 +1,72 @@ ---source include/rpl_parallel_record_gtid_wakeup.inc +--echo *** MDEV-7929: record_gtid() for non-transactional event group calls wakeup_subsequent_commits() too early, causing slave hang. *** + +--source include/have_innodb.inc +--source include/have_debug.inc +--source include/have_debug_sync.inc +--source include/master-slave.inc + +--connection server_2 +SET @old_parallel_threads=@@GLOBAL.slave_parallel_threads; +--source include/stop_slave.inc +SET GLOBAL slave_parallel_threads=10; +CHANGE MASTER TO master_use_gtid=slave_pos; +--source include/start_slave.inc + +--connection server_1 +ALTER TABLE mysql.gtid_slave_pos ENGINE=InnoDB; +CREATE TABLE t1 (a int PRIMARY KEY) ENGINE=MyISAM; +CREATE TABLE t3 (a INT PRIMARY KEY, b INT) ENGINE=InnoDB; +--save_master_pos + +--connection server_2 +--sync_with_master +--source include/stop_slave.inc +SET @old_dbug= @@GLOBAL.debug_dbug; +SET GLOBAL debug_dbug= '+d,inject_record_gtid_serverid_100_sleep'; + +--connection server_1 +# Inject two group commits. The bug was that record_gtid for a +# non-transactional event group would commit its own transaction, which would +# cause ha_commit_trans() to call wakeup_subsequent_commits() too early. This +# in turn lead to access to freed group_commit_orderer object, losing a wakeup +# and causing slave threads to hang. +# We inject a small sleep in the corresponding record_gtid() to make the race +# easier to hit. + +SET @old_dbug= @@SESSION.debug_dbug; +SET SESSION debug_dbug="+d,binlog_force_commit_id"; + +# Group commit with cid=10010, two event groups. +SET @old_server_id= @@SESSION.server_id; +SET SESSION server_id= 100; +SET @commit_id= 10010; +ALTER TABLE t1 COMMENT "Hulubulu!"; +SET SESSION server_id= @old_server_id; +INSERT INTO t3 VALUES (130, 0); + +# Group commit with cid=10011, one event group. +SET @commit_id= 10011; +INSERT INTO t3 VALUES (131, 0); + +SET SESSION debug_dbug=@old_dbug; + +SELECT * FROM t3 WHERE a >= 130 ORDER BY a; +--source include/save_master_gtid.inc + +--connection server_2 +--source include/start_slave.inc +--source include/sync_with_master_gtid.inc + +SELECT * FROM t3 WHERE a >= 130 ORDER BY a; + +# Clean up. +--source include/stop_slave.inc +SET GLOBAL debug_dbug= @old_dbug; +SET GLOBAL slave_parallel_threads=@old_parallel_threads; +--source include/start_slave.inc + +--connection server_1 +DROP TABLE t1,t3; + +--source include/rpl_end.inc + |