diff options
Diffstat (limited to 'mysql-test/suite/rpl/include/rpl_parallel_retry_deadlock.inc')
| -rw-r--r-- | mysql-test/suite/rpl/include/rpl_parallel_retry_deadlock.inc | 281 |
1 files changed, 0 insertions, 281 deletions
diff --git a/mysql-test/suite/rpl/include/rpl_parallel_retry_deadlock.inc b/mysql-test/suite/rpl/include/rpl_parallel_retry_deadlock.inc deleted file mode 100644 index 54ac859bb33..00000000000 --- a/mysql-test/suite/rpl/include/rpl_parallel_retry_deadlock.inc +++ /dev/null @@ -1,281 +0,0 @@ ---echo *** MDEV-7326 Server deadlock in connection with parallel replication *** ---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; -SET @old_parallel_mode=@@GLOBAL.slave_parallel_mode; ---source include/stop_slave.inc -# Test assumes that 'conservative' mode is in effect. i.e -# Do not start parallel execution of this event group until all prior groups -# have reached the commit phase. Refer 'rpl_parallel_start_waiting_for_prior' -# debug simumation. -SET GLOBAL slave_parallel_mode='conservative'; -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 t2 (a int PRIMARY KEY) ENGINE=InnoDB; -CREATE TABLE t6 (a INT) ENGINE=MyISAM; ---save_master_pos - ---connection server_2 ---sync_with_master - ---connection server_1 -# Use a stored function to inject a debug_sync into the appropriate THD. -# The function does nothing on the master, and on the slave it injects the -# desired debug_sync action(s). -SET sql_log_bin=0; ---delimiter || -CREATE FUNCTION foo(x INT, d1 VARCHAR(500), d2 VARCHAR(500)) - RETURNS INT DETERMINISTIC - BEGIN - RETURN x; - END -|| ---delimiter ; -SET sql_log_bin=1; - ---connection server_2 -SET sql_log_bin=0; ---delimiter || -CREATE FUNCTION foo(x INT, d1 VARCHAR(500), d2 VARCHAR(500)) - RETURNS INT DETERMINISTIC - BEGIN - IF d1 != '' THEN - SET debug_sync = d1; - END IF; - IF d2 != '' THEN - SET debug_sync = d2; - END IF; - RETURN x; - END -|| ---delimiter ; -SET sql_log_bin=1; - -# We use three transactions, each in a separate group commit. -# T1 does mark_start_commit(), then gets a deadlock error. -# T2 wakes up and starts running -# T1 does unmark_start_commit() -# T3 goes to wait for T2 to start its commit -# T2 does mark_start_commit() -# The bug was that at this point, T3 got deadlocked. Because T1 has unmarked(), -# T3 did not yet see the count_committing_event_groups reach its target value -# yet. But when T1 later re-did mark_start_commit(), it failed to send a wakeup -# to T3. - ---connection server_2 ---source include/stop_slave.inc -SET GLOBAL slave_parallel_threads=0; -SET GLOBAL slave_parallel_threads=3; -SET GLOBAL debug_dbug="+d,rpl_parallel_simulate_temp_err_xid"; ---source include/start_slave.inc - ---connection server_1 -SET @old_format= @@SESSION.binlog_format; -SET binlog_format= STATEMENT; -# This debug_sync will linger on and be used to control T3 later. -INSERT INTO t1 VALUES (foo(50, - "rpl_parallel_start_waiting_for_prior SIGNAL t3_ready", - "rpl_parallel_end_of_group SIGNAL prep_ready WAIT_FOR prep_cont")); ---save_master_pos ---connection server_2 -# Wait for the debug_sync point for T3 to be set. But let the preparation -# transaction remain hanging, so that T1 and T2 will be scheduled for the -# remaining two worker threads. -SET DEBUG_SYNC= "now WAIT_FOR prep_ready"; - ---connection server_1 -INSERT INTO t2 VALUES (foo(50, - "rpl_parallel_simulate_temp_err_xid SIGNAL t1_ready1 WAIT_FOR t1_cont1", - "rpl_parallel_retry_after_unmark SIGNAL t1_ready2 WAIT_FOR t1_cont2")); ---save_master_pos - ---connection server_2 -SET DEBUG_SYNC= "now WAIT_FOR t1_ready1"; -# T1 has now done mark_start_commit(). It will later do a rollback and retry. - ---connection server_1 -# Use a MyISAM table for T2 and T3, so they do not trigger the -# rpl_parallel_simulate_temp_err_xid DBUG insertion on XID event. -INSERT INTO t1 VALUES (foo(51, - "rpl_parallel_before_mark_start_commit SIGNAL t2_ready1 WAIT_FOR t2_cont1", - "rpl_parallel_after_mark_start_commit SIGNAL t2_ready2")); - ---connection server_2 -SET DEBUG_SYNC= "now WAIT_FOR t2_ready1"; -# T2 has now started running, but has not yet done mark_start_commit() -SET DEBUG_SYNC= "now SIGNAL t1_cont1"; -SET DEBUG_SYNC= "now WAIT_FOR t1_ready2"; -# T1 has now done unmark_start_commit() in preparation for its retry. - ---connection server_1 -INSERT INTO t1 VALUES (52); -SET BINLOG_FORMAT= @old_format; -SELECT * FROM t2 WHERE a>=50 ORDER BY a; -SELECT * FROM t1 WHERE a>=50 ORDER BY a; - ---connection server_2 -# Let the preparation transaction complete, so that the same worker thread -# can continue with the transaction T3. -SET DEBUG_SYNC= "now SIGNAL prep_cont"; -SET DEBUG_SYNC= "now WAIT_FOR t3_ready"; -# T3 has now gone to wait for T2 to start committing -SET DEBUG_SYNC= "now SIGNAL t2_cont1"; -SET DEBUG_SYNC= "now WAIT_FOR t2_ready2"; -# T2 has now done mark_start_commit(). -# Let things run, and check that T3 does not get deadlocked. -SET DEBUG_SYNC= "now SIGNAL t1_cont2"; ---sync_with_master - ---connection server_1 ---save_master_pos ---connection server_2 ---sync_with_master -SELECT * FROM t2 WHERE a>=50 ORDER BY a; -SELECT * FROM t1 WHERE a>=50 ORDER BY a; -SET DEBUG_SYNC="reset"; - -# Re-spawn the worker threads to remove any DBUG injections or DEBUG_SYNC. ---source include/stop_slave.inc -SET GLOBAL debug_dbug=@old_dbug; -SET GLOBAL slave_parallel_mode=@old_parallel_mode; -SET GLOBAL slave_parallel_threads=0; -SET GLOBAL slave_parallel_threads=10; ---source include/start_slave.inc - - ---echo *** MDEV-7326 Server deadlock in connection with parallel replication *** -# Similar to the previous test, but with T2 and T3 in the same GCO. -# We use three transactions, T1 in one group commit and T2/T3 in another. -# T1 does mark_start_commit(), then gets a deadlock error. -# T2 wakes up and starts running -# T1 does unmark_start_commit() -# T3 goes to wait for T1 to start its commit -# T2 does mark_start_commit() -# The bug was that at this point, T3 got deadlocked. T2 increments the -# count_committing_event_groups but does not signal T3, as they are in -# the same GCO. Then later when T1 increments, it would also not signal -# T3, because now the count_committing_event_groups is not equal to the -# wait_count of T3 (it is one larger). - ---connect (con_temp3,127.0.0.1,root,,test,$SERVER_MYPORT_1,) ---connect (con_temp4,127.0.0.1,root,,test,$SERVER_MYPORT_1,) - ---connection server_2 ---source include/stop_slave.inc -SET @old_parallel_mode= @@GLOBAL.slave_parallel_mode; -SET GLOBAL slave_parallel_mode='conservative'; -SET GLOBAL slave_parallel_threads=0; -SET GLOBAL slave_parallel_threads=3; -SET GLOBAL debug_dbug="+d,rpl_parallel_simulate_temp_err_xid"; ---source include/start_slave.inc - ---connection server_1 -SET @old_format= @@SESSION.binlog_format; -SET binlog_format= STATEMENT; -# This debug_sync will linger on and be used to control T3 later. -INSERT INTO t1 VALUES (foo(60, - "rpl_parallel_start_waiting_for_prior SIGNAL t3_ready", - "rpl_parallel_end_of_group SIGNAL prep_ready WAIT_FOR prep_cont")); ---save_master_pos ---connection server_2 -# Wait for the debug_sync point for T3 to be set. But let the preparation -# transaction remain hanging, so that T1 and T2 will be scheduled for the -# remaining two worker threads. -SET DEBUG_SYNC= "now WAIT_FOR prep_ready"; - ---connection server_1 -INSERT INTO t2 VALUES (foo(60, - "rpl_parallel_simulate_temp_err_xid SIGNAL t1_ready1 WAIT_FOR t1_cont1", - "rpl_parallel_retry_after_unmark SIGNAL t1_ready2 WAIT_FOR t1_cont2")); ---save_master_pos - ---connection server_2 -SET DEBUG_SYNC= "now WAIT_FOR t1_ready1"; -# T1 has now done mark_start_commit(). It will later do a rollback and retry. - -# Do T2 and T3 in a single group commit. -# Use a MyISAM table for T2 and T3, so they do not trigger the -# rpl_parallel_simulate_temp_err_xid DBUG insertion on XID event. ---connection con_temp3 -SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued1 WAIT_FOR master_cont1'; -SET binlog_format=statement; -send INSERT INTO t1 VALUES (foo(61, - "rpl_parallel_before_mark_start_commit SIGNAL t2_ready1 WAIT_FOR t2_cont1", - "rpl_parallel_after_mark_start_commit SIGNAL t2_ready2")); - ---connection server_1 -SET debug_sync='now WAIT_FOR master_queued1'; - ---connection con_temp4 -SET debug_sync='commit_after_release_LOCK_prepare_ordered SIGNAL master_queued2'; -send INSERT INTO t6 VALUES (62); - ---connection server_1 -SET debug_sync='now WAIT_FOR master_queued2'; -SET debug_sync='now SIGNAL master_cont1'; - ---connection con_temp3 -REAP; ---connection con_temp4 -REAP; - ---connection server_1 -SET debug_sync='RESET'; -SET BINLOG_FORMAT= @old_format; -SELECT * FROM t2 WHERE a>=60 ORDER BY a; -SELECT * FROM t1 WHERE a>=60 ORDER BY a; -SELECT * FROM t6 WHERE a>=60 ORDER BY a; - ---connection server_2 -SET DEBUG_SYNC= "now WAIT_FOR t2_ready1"; -# T2 has now started running, but has not yet done mark_start_commit() -SET DEBUG_SYNC= "now SIGNAL t1_cont1"; -SET DEBUG_SYNC= "now WAIT_FOR t1_ready2"; -# T1 has now done unmark_start_commit() in preparation for its retry. - ---connection server_2 -# Let the preparation transaction complete, so that the same worker thread -# can continue with the transaction T3. -SET DEBUG_SYNC= "now SIGNAL prep_cont"; -SET DEBUG_SYNC= "now WAIT_FOR t3_ready"; -# T3 has now gone to wait for T2 to start committing -SET DEBUG_SYNC= "now SIGNAL t2_cont1"; -SET DEBUG_SYNC= "now WAIT_FOR t2_ready2"; -# T2 has now done mark_start_commit(). -# Let things run, and check that T3 does not get deadlocked. -SET DEBUG_SYNC= "now SIGNAL t1_cont2"; ---sync_with_master - ---connection server_1 ---save_master_pos ---connection server_2 ---sync_with_master -SELECT * FROM t2 WHERE a>=60 ORDER BY a; -SELECT * FROM t1 WHERE a>=60 ORDER BY a; -SELECT * FROM t6 WHERE a>=60 ORDER BY a; -SET DEBUG_SYNC="reset"; - -# Clean up. ---source include/stop_slave.inc -SET GLOBAL debug_dbug=@old_dbug; -SET GLOBAL slave_parallel_mode=@old_parallel_mode; -SET GLOBAL slave_parallel_threads=@old_parallel_threads; ---source include/start_slave.inc - ---connection server_1 -DROP function foo; -DROP TABLE t1,t2,t6; ---disconnect con_temp3 ---disconnect con_temp4 -SET DEBUG_SYNC= 'RESET'; - ---source include/rpl_end.inc |