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MDEV-31448: Killing a replica thread awaiting its GCO can hang/crash a parallel replica
Various test cases for the bugs around MDEV-31448. Test cases due to Brandon Nesterenko, thanks! Reviewed-by: Andrei Elkin <andrei.elkin@mariadb.com> Signed-off-by: Kristian Nielsen <knielsen@knielsen-hq.org>
This commit is contained in:
Kristian Nielsen
68
mysql-test/suite/rpl/include/mdev-31448_conservative.inc
Normal file
68
mysql-test/suite/rpl/include/mdev-31448_conservative.inc
Normal file
@ -0,0 +1,68 @@
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--connection master
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create table t1 (a int) engine=innodb;
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create table t2 (a int) engine=innodb;
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insert into t1 values (1);
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--source include/save_master_gtid.inc
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--connection slave
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call mtr.add_suppression("Slave: Commit failed due to failure of an earlier commit on which this one depends");
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--source include/sync_with_master_gtid.inc
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--source include/stop_slave.inc
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set @save.slave_parallel_threads= @@global.slave_parallel_threads;
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set @save.slave_parallel_mode= @@global.slave_parallel_mode;
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set @@global.slave_parallel_threads= 3;
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set @@global.slave_parallel_mode= CONSERVATIVE;
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--connection slave1
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BEGIN;
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update t1 set a=2 where a=1;
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--connection master
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SET @old_dbug= @@SESSION.debug_dbug;
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SET @@SESSION.debug_dbug="+d,binlog_force_commit_id";
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# GCO 1
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SET @commit_id= 10000;
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# T1
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update t1 set a=2 where a=1;
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# T2
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insert into t2 values (1);
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# GCO 2
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SET @commit_id= 10001;
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# T3
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insert into t1 values (3);
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--connection slave
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--source include/start_slave.inc
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--let $wait_condition= SELECT count(*)=1 FROM information_schema.processlist WHERE state LIKE 'Update_rows_log_event::find_row(-1)' and command LIKE 'Slave_worker';
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--source include/wait_condition.inc
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--let $wait_condition= SELECT count(*)=1 FROM information_schema.processlist WHERE state LIKE 'Waiting for prior transaction to commit%' and command LIKE 'Slave_worker';
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--source include/wait_condition.inc
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--let $wait_condition= SELECT count(*)=1 FROM information_schema.processlist WHERE state LIKE 'Waiting for prior transaction to start commit%' and command LIKE 'Slave_worker';
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--source include/wait_condition.inc
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--let $t3_tid= `SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST WHERE STATE LIKE 'Waiting for prior transaction to start commit%'`
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--evalp kill $t3_tid
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--connection slave1
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commit;
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--connection slave
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--let $slave_timeout=1032
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--source include/wait_for_slave_sql_to_stop.inc
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update t1 set a=1 where a=2;
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set @@global.slave_parallel_threads = @save.slave_parallel_threads;
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set @@global.slave_parallel_mode = @save.slave_parallel_mode;
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--source include/start_slave.inc
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--echo #
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--echo # Cleanup
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--connection master
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DROP TABLE t1, t2;
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--source include/save_master_gtid.inc
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--connection slave
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--source include/sync_with_master_gtid.inc
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94
mysql-test/suite/rpl/include/mdev-31448_optimistic.inc
Normal file
94
mysql-test/suite/rpl/include/mdev-31448_optimistic.inc
Normal file
@ -0,0 +1,94 @@
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--echo # MDEV-31448 OOO finish event group by killed worker
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# The test demonstrates how a killed worker access gco lists
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# in finish_event_group() out-of-order to fire
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# DBUG_ASSERT(!tmp_gco->next_gco || tmp_gco->last_sub_id > sub_id);
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# in the buggy version.
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--echo # Initialize test data
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--connection master
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create table t1 (a int) engine=innodb;
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create table t2 (a int) engine=innodb;
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insert into t1 values (1);
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--source include/save_master_gtid.inc
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--connection slave
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call mtr.add_suppression("Connection was killed");
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call mtr.add_suppression("Can.t find record");
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--source include/sync_with_master_gtid.inc
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--source include/stop_slave.inc
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set @save.slave_parallel_threads= @@global.slave_parallel_threads;
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set @save.slave_parallel_mode= @@global.slave_parallel_mode;
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set @@global.slave_parallel_threads= 3;
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set @@global.slave_parallel_mode= OPTIMISTIC;
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--connection slave1
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begin;
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update t1 set a=2 where a=1;
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--connection master
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set @old_dbug= @@session.debug_dbug;
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set @@session.debug_dbug="+d,binlog_force_commit_id";
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# GCO 1
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set @commit_id= 10000;
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# T1
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update t1 set a=2 where a=1;
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if (!$killed_trx_commits)
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{
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set @commit_id= 10001;
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# T2
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set statement skip_parallel_replication=1 for insert into t2 values (1);
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}
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if ($killed_trx_commits)
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{
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insert into t2 values (1);
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}
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# GCO 2
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# T3
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drop table t2;
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--connection slave
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--source include/start_slave.inc
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--echo # wait for T1
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--let $wait_condition= SELECT count(*)=1 FROM information_schema.processlist WHERE state LIKE 'Update_rows_log_event::find_row(-1)' and command LIKE 'Slave_worker';
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--source include/wait_condition.inc
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--echo # wait for T2
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--let $wait_condition= SELECT count(*)=1 FROM information_schema.processlist WHERE state LIKE 'Waiting for prior transaction to commit%' and command LIKE 'Slave_worker';
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--source include/wait_condition.inc
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--let $t2_tid= `SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST WHERE STATE LIKE 'Waiting for prior transaction to commit%' and command LIKE 'Slave_worker'`
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--echo # wait for T3
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--let $wait_condition= SELECT count(*)=1 FROM information_schema.processlist WHERE state LIKE 'Waiting for prior transaction to start commit%' and command LIKE 'Slave_worker';
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--source include/wait_condition.inc
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--evalp kill $t2_tid
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# give some little time for T2 to re-sink into the same state
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--let $slave_param=Last_Errno
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--let $slave_param_value=1927
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--source include/wait_for_slave_param.inc
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--connection slave1
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commit;
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--connection slave
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--let $slave_timeout=1032
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--source include/wait_for_slave_sql_to_stop.inc
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update t1 set a=1 where a=2;
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set @@global.slave_parallel_threads = @save.slave_parallel_threads;
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set @@global.slave_parallel_mode = @save.slave_parallel_mode;
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--source include/start_slave.inc
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--echo #
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--echo # Cleanup
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--connection master
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drop table t1;
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--source include/save_master_gtid.inc
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--connection slave
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--source include/sync_with_master_gtid.inc
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@ -0,0 +1,52 @@
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include/master-slave.inc
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[connection master]
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# MDEV-31448 OOO finish event group by killed worker
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# Initialize test data
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connection master;
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call mtr.add_suppression("Slave: Connection was killed");
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call mtr.add_suppression("Slave: Commit failed due to failure of an earlier commit on which this one depends");
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create table t1 (a int) engine=innodb;
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create table t2 (a int) engine=innodb;
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insert into t1 values (1);
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include/save_master_gtid.inc
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connection slave;
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include/sync_with_master_gtid.inc
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include/stop_slave.inc
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set @@global.slave_parallel_threads= 4;
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set @@global.slave_parallel_mode= OPTIMISTIC;
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set @@global.innodb_lock_wait_timeout= 30;
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set @@global.slave_transaction_retries= 0;
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connection slave1;
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BEGIN;
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SELECT * FROM t1 WHERE a=1 FOR UPDATE;
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a
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1
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connection master;
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SET @old_dbug= @@SESSION.debug_dbug;
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SET @@SESSION.debug_dbug="+d,binlog_force_commit_id";
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SET @commit_id= 10000;
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update t1 set a=2 where a=1;
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set statement skip_parallel_replication=1 for insert into t2 values (1);
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drop table t2;
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connection slave;
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include/start_slave.inc
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# wait for T1
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# wait for T2
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# wait for T3
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kill T2_TID;
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connection slave1;
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ROLLBACK;
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connection master;
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DROP TABLE t1;
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include/save_master_gtid.inc
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connection slave;
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#
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# Cleanup
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include/stop_slave.inc
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set @@global.slave_parallel_threads= 0;
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set @@global.slave_parallel_mode= conservative;
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set @@global.innodb_lock_wait_timeout= 50;
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set @@global.slave_transaction_retries= 10;
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include/start_slave.inc
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include/sync_with_master_gtid.inc
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include/rpl_end.inc
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142
mysql-test/suite/rpl/r/rpl_parallel_kill.result
Normal file
142
mysql-test/suite/rpl/r/rpl_parallel_kill.result
Normal file
@ -0,0 +1,142 @@
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include/master-slave.inc
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[connection master]
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connection master;
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create table t1 (a int) engine=innodb;
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create table t2 (a int) engine=innodb;
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insert into t1 values (1);
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include/save_master_gtid.inc
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connection slave;
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call mtr.add_suppression("Slave: Commit failed due to failure of an earlier commit on which this one depends");
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include/sync_with_master_gtid.inc
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||||||
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include/stop_slave.inc
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set @save.slave_parallel_threads= @@global.slave_parallel_threads;
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||||||
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set @save.slave_parallel_mode= @@global.slave_parallel_mode;
|
||||||
|
set @@global.slave_parallel_threads= 3;
|
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|
set @@global.slave_parallel_mode= CONSERVATIVE;
|
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|
connection slave1;
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|
BEGIN;
|
||||||
|
update t1 set a=2 where a=1;
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||||||
|
connection master;
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||||||
|
SET @old_dbug= @@SESSION.debug_dbug;
|
||||||
|
SET @@SESSION.debug_dbug="+d,binlog_force_commit_id";
|
||||||
|
SET @commit_id= 10000;
|
||||||
|
update t1 set a=2 where a=1;
|
||||||
|
insert into t2 values (1);
|
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SET @commit_id= 10001;
|
||||||
|
insert into t1 values (3);
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|
connection slave;
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||||||
|
include/start_slave.inc
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|
kill $t3_tid;
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|
connection slave1;
|
||||||
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commit;
|
||||||
|
connection slave;
|
||||||
|
include/wait_for_slave_sql_to_stop.inc
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update t1 set a=1 where a=2;
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set @@global.slave_parallel_threads = @save.slave_parallel_threads;
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||||||
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set @@global.slave_parallel_mode = @save.slave_parallel_mode;
|
||||||
|
include/start_slave.inc
|
||||||
|
#
|
||||||
|
# Cleanup
|
||||||
|
connection master;
|
||||||
|
DROP TABLE t1, t2;
|
||||||
|
include/save_master_gtid.inc
|
||||||
|
connection slave;
|
||||||
|
include/sync_with_master_gtid.inc
|
||||||
|
# MDEV-31448 OOO finish event group by killed worker
|
||||||
|
# Initialize test data
|
||||||
|
connection master;
|
||||||
|
create table t1 (a int) engine=innodb;
|
||||||
|
create table t2 (a int) engine=innodb;
|
||||||
|
insert into t1 values (1);
|
||||||
|
include/save_master_gtid.inc
|
||||||
|
connection slave;
|
||||||
|
call mtr.add_suppression("Connection was killed");
|
||||||
|
call mtr.add_suppression("Can.t find record");
|
||||||
|
include/sync_with_master_gtid.inc
|
||||||
|
include/stop_slave.inc
|
||||||
|
set @save.slave_parallel_threads= @@global.slave_parallel_threads;
|
||||||
|
set @save.slave_parallel_mode= @@global.slave_parallel_mode;
|
||||||
|
set @@global.slave_parallel_threads= 3;
|
||||||
|
set @@global.slave_parallel_mode= OPTIMISTIC;
|
||||||
|
connection slave1;
|
||||||
|
begin;
|
||||||
|
update t1 set a=2 where a=1;
|
||||||
|
connection master;
|
||||||
|
set @old_dbug= @@session.debug_dbug;
|
||||||
|
set @@session.debug_dbug="+d,binlog_force_commit_id";
|
||||||
|
set @commit_id= 10000;
|
||||||
|
update t1 set a=2 where a=1;
|
||||||
|
insert into t2 values (1);
|
||||||
|
drop table t2;
|
||||||
|
connection slave;
|
||||||
|
include/start_slave.inc
|
||||||
|
# wait for T1
|
||||||
|
# wait for T2
|
||||||
|
# wait for T3
|
||||||
|
kill $t2_tid;
|
||||||
|
include/wait_for_slave_param.inc [Last_Errno]
|
||||||
|
connection slave1;
|
||||||
|
commit;
|
||||||
|
connection slave;
|
||||||
|
include/wait_for_slave_sql_to_stop.inc
|
||||||
|
update t1 set a=1 where a=2;
|
||||||
|
set @@global.slave_parallel_threads = @save.slave_parallel_threads;
|
||||||
|
set @@global.slave_parallel_mode = @save.slave_parallel_mode;
|
||||||
|
include/start_slave.inc
|
||||||
|
#
|
||||||
|
# Cleanup
|
||||||
|
connection master;
|
||||||
|
drop table t1;
|
||||||
|
include/save_master_gtid.inc
|
||||||
|
connection slave;
|
||||||
|
include/sync_with_master_gtid.inc
|
||||||
|
# MDEV-31448 OOO finish event group by killed worker
|
||||||
|
# Initialize test data
|
||||||
|
connection master;
|
||||||
|
create table t1 (a int) engine=innodb;
|
||||||
|
create table t2 (a int) engine=innodb;
|
||||||
|
insert into t1 values (1);
|
||||||
|
include/save_master_gtid.inc
|
||||||
|
connection slave;
|
||||||
|
call mtr.add_suppression("Connection was killed");
|
||||||
|
call mtr.add_suppression("Can.t find record");
|
||||||
|
include/sync_with_master_gtid.inc
|
||||||
|
include/stop_slave.inc
|
||||||
|
set @save.slave_parallel_threads= @@global.slave_parallel_threads;
|
||||||
|
set @save.slave_parallel_mode= @@global.slave_parallel_mode;
|
||||||
|
set @@global.slave_parallel_threads= 3;
|
||||||
|
set @@global.slave_parallel_mode= OPTIMISTIC;
|
||||||
|
connection slave1;
|
||||||
|
begin;
|
||||||
|
update t1 set a=2 where a=1;
|
||||||
|
connection master;
|
||||||
|
set @old_dbug= @@session.debug_dbug;
|
||||||
|
set @@session.debug_dbug="+d,binlog_force_commit_id";
|
||||||
|
set @commit_id= 10000;
|
||||||
|
update t1 set a=2 where a=1;
|
||||||
|
set @commit_id= 10001;
|
||||||
|
set statement skip_parallel_replication=1 for insert into t2 values (1);
|
||||||
|
drop table t2;
|
||||||
|
connection slave;
|
||||||
|
include/start_slave.inc
|
||||||
|
# wait for T1
|
||||||
|
# wait for T2
|
||||||
|
# wait for T3
|
||||||
|
kill $t2_tid;
|
||||||
|
include/wait_for_slave_param.inc [Last_Errno]
|
||||||
|
connection slave1;
|
||||||
|
commit;
|
||||||
|
connection slave;
|
||||||
|
include/wait_for_slave_sql_to_stop.inc
|
||||||
|
update t1 set a=1 where a=2;
|
||||||
|
set @@global.slave_parallel_threads = @save.slave_parallel_threads;
|
||||||
|
set @@global.slave_parallel_mode = @save.slave_parallel_mode;
|
||||||
|
include/start_slave.inc
|
||||||
|
#
|
||||||
|
# Cleanup
|
||||||
|
connection master;
|
||||||
|
drop table t1;
|
||||||
|
include/save_master_gtid.inc
|
||||||
|
connection slave;
|
||||||
|
include/sync_with_master_gtid.inc
|
||||||
|
include/rpl_end.inc
|
||||||
@ -0,0 +1,93 @@
|
|||||||
|
--source include/master-slave.inc
|
||||||
|
--source include/have_innodb.inc
|
||||||
|
--source include/have_debug.inc
|
||||||
|
--source include/have_binlog_format_row.inc
|
||||||
|
|
||||||
|
--echo # MDEV-31448 OOO finish event group by killed worker
|
||||||
|
# The test demonstrates how a killed worker access gco lists
|
||||||
|
# in finish_event_group() out-of-order to fire
|
||||||
|
# DBUG_ASSERT(!tmp_gco->next_gco || tmp_gco->last_sub_id > sub_id);
|
||||||
|
# in the buggy version.
|
||||||
|
|
||||||
|
--echo # Initialize test data
|
||||||
|
--connection master
|
||||||
|
call mtr.add_suppression("Slave: Connection was killed");
|
||||||
|
call mtr.add_suppression("Slave: Commit failed due to failure of an earlier commit on which this one depends");
|
||||||
|
create table t1 (a int) engine=innodb;
|
||||||
|
create table t2 (a int) engine=innodb;
|
||||||
|
|
||||||
|
insert into t1 values (1);
|
||||||
|
--source include/save_master_gtid.inc
|
||||||
|
|
||||||
|
--connection slave
|
||||||
|
--source include/sync_with_master_gtid.inc
|
||||||
|
--source include/stop_slave.inc
|
||||||
|
--let $save_slave_parallel_threads= `SELECT @@global.slave_parallel_threads`
|
||||||
|
--let $save_slave_parallel_mode= `SELECT @@global.slave_parallel_mode`
|
||||||
|
--let $save_innodb_lock_wait_timeout= `SELECT @@global.innodb_lock_wait_timeout`
|
||||||
|
--let $save_transaction_retries= `SELECT @@global.slave_transaction_retries`
|
||||||
|
set @@global.slave_parallel_threads= 4;
|
||||||
|
set @@global.slave_parallel_mode= OPTIMISTIC;
|
||||||
|
set @@global.innodb_lock_wait_timeout= 30;
|
||||||
|
set @@global.slave_transaction_retries= 0;
|
||||||
|
|
||||||
|
--connection slave1
|
||||||
|
BEGIN;
|
||||||
|
SELECT * FROM t1 WHERE a=1 FOR UPDATE;
|
||||||
|
|
||||||
|
--connection master
|
||||||
|
SET @old_dbug= @@SESSION.debug_dbug;
|
||||||
|
SET @@SESSION.debug_dbug="+d,binlog_force_commit_id";
|
||||||
|
|
||||||
|
# GCO 1
|
||||||
|
SET @commit_id= 10000;
|
||||||
|
# T1
|
||||||
|
update t1 set a=2 where a=1;
|
||||||
|
# T2
|
||||||
|
set statement skip_parallel_replication=1 for insert into t2 values (1);
|
||||||
|
|
||||||
|
# GCO 2
|
||||||
|
# T3
|
||||||
|
drop table t2;
|
||||||
|
|
||||||
|
--connection slave
|
||||||
|
--source include/start_slave.inc
|
||||||
|
|
||||||
|
--echo # wait for T1
|
||||||
|
--let $wait_condition= SELECT count(*)=1 FROM information_schema.processlist WHERE state LIKE 'Update_rows_log_event::find_row(-1)' and command LIKE 'Slave_worker';
|
||||||
|
--source include/wait_condition.inc
|
||||||
|
|
||||||
|
--echo # wait for T2
|
||||||
|
--let $wait_condition= SELECT count(*)=1 FROM information_schema.processlist WHERE state LIKE 'Waiting for prior transaction to commit%' and command LIKE 'Slave_worker';
|
||||||
|
--source include/wait_condition.inc
|
||||||
|
--let $t2_tid= `SELECT ID FROM INFORMATION_SCHEMA.PROCESSLIST WHERE STATE LIKE 'Waiting for prior transaction to commit%' and command LIKE 'Slave_worker'`
|
||||||
|
--echo # wait for T3
|
||||||
|
--let $wait_condition= SELECT count(*)=1 FROM information_schema.processlist WHERE state LIKE 'Waiting for prior transaction to start commit%' and command LIKE 'Slave_worker';
|
||||||
|
--source include/wait_condition.inc
|
||||||
|
|
||||||
|
--replace_result $t2_tid T2_TID
|
||||||
|
--eval kill $t2_tid
|
||||||
|
|
||||||
|
--sleep 1
|
||||||
|
|
||||||
|
--connection slave1
|
||||||
|
# Release the blocked T1
|
||||||
|
ROLLBACK;
|
||||||
|
|
||||||
|
--connection master
|
||||||
|
DROP TABLE t1;
|
||||||
|
--source include/save_master_gtid.inc
|
||||||
|
|
||||||
|
--connection slave
|
||||||
|
--echo #
|
||||||
|
--echo # Cleanup
|
||||||
|
--source include/stop_slave.inc
|
||||||
|
eval set @@global.slave_parallel_threads= $save_slave_parallel_threads;
|
||||||
|
eval set @@global.slave_parallel_mode= $save_slave_parallel_mode;
|
||||||
|
eval set @@global.innodb_lock_wait_timeout= $save_innodb_lock_wait_timeout;
|
||||||
|
eval set @@global.slave_transaction_retries= $save_transaction_retries;
|
||||||
|
--source include/start_slave.inc
|
||||||
|
--source include/sync_with_master_gtid.inc
|
||||||
|
|
||||||
|
--source include/rpl_end.inc
|
||||||
|
|
||||||
15
mysql-test/suite/rpl/t/rpl_parallel_kill.test
Normal file
15
mysql-test/suite/rpl/t/rpl_parallel_kill.test
Normal file
@ -0,0 +1,15 @@
|
|||||||
|
--source include/master-slave.inc
|
||||||
|
--source include/have_innodb.inc
|
||||||
|
--source include/have_debug.inc
|
||||||
|
--source include/have_binlog_format_row.inc
|
||||||
|
|
||||||
|
--source include/mdev-31448_conservative.inc
|
||||||
|
|
||||||
|
--let $killed_trx_commits=1
|
||||||
|
--source include/mdev-31448_optimistic.inc
|
||||||
|
--let $killed_trx_commits=0
|
||||||
|
--source include/mdev-31448_optimistic.inc
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
--source include/rpl_end.inc
|
||||||
Reference in New Issue
Block a user