diff options
Diffstat (limited to 'mysql-test/suite/rpl/t/rpl_parallel_stop_on_con_kill.test')
| -rw-r--r-- | mysql-test/suite/rpl/t/rpl_parallel_stop_on_con_kill.test | 130 |
1 files changed, 129 insertions, 1 deletions
diff --git a/mysql-test/suite/rpl/t/rpl_parallel_stop_on_con_kill.test b/mysql-test/suite/rpl/t/rpl_parallel_stop_on_con_kill.test index 64b4cb77dd4..63c483ea6ad 100644 --- a/mysql-test/suite/rpl/t/rpl_parallel_stop_on_con_kill.test +++ b/mysql-test/suite/rpl/t/rpl_parallel_stop_on_con_kill.test @@ -1 +1,129 @@ ---source include/rpl_parallel_stop_on_con_kill.inc +--echo *** MDEV-8031: Parallel replication stops on "connection killed" error (probably incorrectly handled deadlock kill) *** + +--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 t3 (a INT PRIMARY KEY, b INT) ENGINE=InnoDB; +INSERT INTO t3 VALUES (201,0), (202,0); +--source include/save_master_gtid.inc + +--connection server_2 +--source include/sync_with_master_gtid.inc +--source include/stop_slave.inc +SET @old_dbug= @@GLOBAL.debug_dbug; +SET GLOBAL debug_dbug= '+d,inject_mdev8031'; + +--connection server_1 +# We artificially create a situation that hopefully resembles the original +# bug which was only seen "in the wild", and only once. +# Setup a fake group commit with lots of conflicts that will lead to deadloc +# kill. The slave DBUG injection causes the slave to be deadlock killed at +# a particular point during the retry, and then later do a small sleep at +# another critical point where the prior transaction then has a chance to +# complete. Finally an extra KILL check catches an unhandled, lingering +# deadlock kill. So rather artificial, but at least it exercises the +# relevant code paths. +SET @old_dbug= @@SESSION.debug_dbug; +SET SESSION debug_dbug="+d,binlog_force_commit_id"; + +SET @commit_id= 10200; +INSERT INTO t3 VALUES (203, 1); +INSERT INTO t3 VALUES (204, 1); +INSERT INTO t3 VALUES (205, 1); +UPDATE t3 SET b=b+1 WHERE a=201; +UPDATE t3 SET b=b+1 WHERE a=201; +UPDATE t3 SET b=b+1 WHERE a=201; +UPDATE t3 SET b=b+1 WHERE a=202; +UPDATE t3 SET b=b+1 WHERE a=202; +UPDATE t3 SET b=b+1 WHERE a=202; +UPDATE t3 SET b=b+1 WHERE a=202; +UPDATE t3 SET b=b+1 WHERE a=203; +UPDATE t3 SET b=b+1 WHERE a=203; +UPDATE t3 SET b=b+1 WHERE a=204; +UPDATE t3 SET b=b+1 WHERE a=204; +UPDATE t3 SET b=b+1 WHERE a=204; +UPDATE t3 SET b=b+1 WHERE a=203; +UPDATE t3 SET b=b+1 WHERE a=205; +UPDATE t3 SET b=b+1 WHERE a=205; +SET SESSION debug_dbug=@old_dbug; + +SELECT * FROM t3 WHERE a>=200 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>=200 ORDER BY a; +--source include/stop_slave.inc +SET GLOBAL debug_dbug= @old_dbug; +--source include/start_slave.inc + + +--echo *** Check getting deadlock killed inside open_binlog() during retry. *** + +--connection server_2 +--source include/stop_slave.inc +SET @old_dbug= @@GLOBAL.debug_dbug; +SET GLOBAL debug_dbug= '+d,inject_retry_event_group_open_binlog_kill'; +SET @old_max= @@GLOBAL.max_relay_log_size; +SET GLOBAL max_relay_log_size= 4096; + +--connection server_1 +SET @old_dbug= @@SESSION.debug_dbug; +SET SESSION debug_dbug="+d,binlog_force_commit_id"; + +--let $large= `SELECT REPEAT("*", 8192)` +SET @commit_id= 10210; +--echo Omit long queries that cause relaylog rotations and transaction retries... +--disable_query_log +eval UPDATE t3 SET b=b+1 WHERE a=201 /* $large */; +eval UPDATE t3 SET b=b+1 WHERE a=201 /* $large */; +eval UPDATE t3 SET b=b+1 WHERE a=201 /* $large */; +eval UPDATE t3 SET b=b+1 WHERE a=202 /* $large */; +eval UPDATE t3 SET b=b+1 WHERE a=202 /* $large */; +eval UPDATE t3 SET b=b+1 WHERE a=202 /* $large */; +eval UPDATE t3 SET b=b+1 WHERE a=202 /* $large */; +eval UPDATE t3 SET b=b+1 WHERE a=203 /* $large */; +eval UPDATE t3 SET b=b+1 WHERE a=203 /* $large */; +eval UPDATE t3 SET b=b+1 WHERE a=204 /* $large */; +eval UPDATE t3 SET b=b+1 WHERE a=204 /* $large */; +eval UPDATE t3 SET b=b+1 WHERE a=204 /* $large */; +eval UPDATE t3 SET b=b+1 WHERE a=203 /* $large */; +eval UPDATE t3 SET b=b+1 WHERE a=205 /* $large */; +eval UPDATE t3 SET b=b+1 WHERE a=205 /* $large */; +--enable_query_log +SET SESSION debug_dbug=@old_dbug; + +SELECT * FROM t3 WHERE a>=200 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>=200 ORDER BY a; + +# Cleanup +--source include/stop_slave.inc +SET GLOBAL debug_dbug= @old_debg; +SET GLOBAL max_relay_log_size= @old_max; +SET GLOBAL slave_parallel_threads=@old_parallel_threads; +--source include/start_slave.inc + +--connection server_1 +DROP TABLE t3; + +--source include/rpl_end.inc + |