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include/rpl_init.inc [topology=1->2]
*** Test crashing master, causing slave IO thread to reconnect while SQL thread is running ***
call mtr.add_suppression("Checking table:");
call mtr.add_suppression("client is using or hasn't closed the table properly");
call mtr.add_suppression("Table .* is marked as crashed and should be repaired");
flush tables;
ALTER TABLE mysql.gtid_slave_pos ENGINE=InnoDB;
CREATE TABLE t1 (a INT PRIMARY KEY, b INT) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1, 0);
include/stop_slave.inc
CHANGE MASTER TO master_host = '127.0.0.1', master_port = MASTER_PORT,
MASTER_USE_GTID=CURRENT_POS;
INSERT INTO t1 VALUES (2,1);
INSERT INTO t1 VALUES (3,1);
include/start_slave.inc
include/save_master_gtid.inc
SET SESSION debug_dbug="+d,crash_dispatch_command_before";
SELECT 1;
Got one of the listed errors
include/sync_with_master_gtid.inc
INSERT INTO t1 VALUES (1000, 3);
include/save_master_gtid.inc
include/sync_with_master_gtid.inc
DROP TABLE t1;
*** Test crashing the master mysqld and check that binlog state is recovered. ***
include/stop_slave.inc
RESET MASTER;
SET GLOBAL gtid_slave_pos='';
RESET MASTER;
SHOW BINLOG EVENTS IN 'master-bin.000001' LIMIT 1,1;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Gtid_list # # []
CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
include/start_slave.inc
SET gtid_domain_id= 1;
INSERT INTO t1 VALUES (1);
INSERT INTO t1 VALUES (2);
FLUSH LOGS;
SET gtid_domain_id= 2;
INSERT INTO t1 VALUES (3);
FLUSH LOGS;
show binary logs;
Log_name File_size
master-bin.000001 #
master-bin.000002 #
master-bin.000003 #
SHOW BINLOG EVENTS IN 'master-bin.000003' LIMIT 1,1;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000003 # Gtid_list # # #
SET SESSION debug_dbug="+d,crash_dispatch_command_before";
SELECT 1;
Got one of the listed errors
show binary logs;
Log_name File_size
master-bin.000001 #
master-bin.000002 #
master-bin.000003 #
master-bin.000004 #
SHOW BINLOG EVENTS IN 'master-bin.000004' LIMIT 1,1;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000004 # Gtid_list # # #
SELECT * FROM t1 ORDER BY a;
a
1
2
3
*** Test crashing slave at various points and check that it recovers crash-safe. ***
include/stop_slave.inc
SET GLOBAL debug_dbug="+d,inject_crash_before_write_rpl_slave_state";
START SLAVE;
INSERT INTO t1 VALUES (4);
include/save_master_gtid.inc
include/sync_with_master_gtid.inc
include/stop_slave.inc
SET GLOBAL debug_dbug="+d,crash_commit_before";
START SLAVE;
INSERT INTO t1 VALUES (5);
include/save_master_gtid.inc
include/sync_with_master_gtid.inc
include/stop_slave.inc
SET GLOBAL debug_dbug="+d,crash_commit_after";
START SLAVE;
INSERT INTO t1 VALUES (6);
include/save_master_gtid.inc
include/sync_with_master_gtid.inc
include/stop_slave.inc
SET GLOBAL debug_dbug="+d,inject_crash_before_flush_rli";
START SLAVE;
INSERT INTO t1 VALUES (7);
include/save_master_gtid.inc
include/sync_with_master_gtid.inc
include/stop_slave.inc
SET GLOBAL debug_dbug="+d,inject_crash_after_flush_rli";
START SLAVE;
INSERT INTO t1 VALUES (8);
include/save_master_gtid.inc
include/sync_with_master_gtid.inc
SELECT * FROM t1 ORDER BY a;
a
1
2
3
4
5
6
7
8
*** MDEV-4725: Incorrect recovery when crash in the middle of writing an event group ***
SET GLOBAL debug_dbug="+d,crash_before_writing_xid";
INSERT INTO t1 VALUES (9), (10);
SHOW VARIABLES like 'gtid_strict_mode';
Variable_name Value
gtid_strict_mode ON
include/start_slave.inc
*** MDEV-6462: Incorrect recovery on a slave reconnecting to crashed master ***
set sql_log_bin= 0;
call mtr.add_suppression("Error writing file 'master-bin'");
set sql_log_bin= 1;
set sql_log_bin= 0;
call mtr.add_suppression("The server_id of master server changed in the middle of GTID");
call mtr.add_suppression("Unexpected change of master binlog file name in the middle of GTID");
set sql_log_bin= 1;
SET GLOBAL debug_dbug="+d,inject_error_writing_xid";
BEGIN;
INSERT INTO t1 VALUES (11);
COMMIT;
ERROR HY000: Error writing file 'master-bin' (errno: 28 "No space left on device")
SET GLOBAL debug_dbug="+d,crash_dispatch_command_before";
COMMIT;
Got one of the listed errors
SELECT @@GLOBAL.server_id;
@@GLOBAL.server_id
3
SELECT * from t1 WHERE a > 10 ORDER BY a;
a
gtid_check
Binlog pos ok
# Wait 30 seconds for SQL thread to catch up with IO thread
SELECT * from t1 WHERE a > 10 ORDER BY a;
a
gtid_check
Binlog pos ok
gtid_check
Slave pos ok
gtid_check
Current pos ok
# Repeat this with additional transactions on the master
SET GLOBAL debug_dbug="+d,inject_error_writing_xid";
BEGIN;
INSERT INTO t1 VALUES (12);
COMMIT;
ERROR HY000: Error writing file 'master-bin' (errno: 28 "No space left on device")
SET GLOBAL debug_dbug="+d,crash_dispatch_command_before";
COMMIT;
Got one of the listed errors
SELECT @@GLOBAL.server_id;
@@GLOBAL.server_id
1
INSERT INTO t1 VALUES (13);
INSERT INTO t1 VALUES (14);
SELECT * from t1 WHERE a > 10 ORDER BY a;
a
13
14
include/save_master_gtid.inc
include/sync_with_master_gtid.inc
SELECT * from t1 WHERE a > 10 ORDER BY a;
a
13
14
SET GLOBAL debug_dbug="+d,inject_error_writing_xid";
BEGIN;
INSERT INTO t1 VALUES (21);
COMMIT;
ERROR HY000: Error writing file 'master-bin' (errno: 28 "No space left on device")
SET GLOBAL debug_dbug="+d,crash_dispatch_command_before";
COMMIT;
Got one of the listed errors
SELECT @@GLOBAL.server_id;
@@GLOBAL.server_id
1
SELECT * from t1 WHERE a > 10 ORDER BY a;
a
13
14
gtid_check
Binlog pos ok
gtid_check
Current pos ok
# Wait 30 seconds for SQL thread to catch up with IO thread
SELECT * from t1 WHERE a > 10 ORDER BY a;
a
13
14
gtid_check
Binlog pos ok
gtid_check
Slave pos ok
gtid_check
Current pos ok
# Repeat this with additional transactions on the master
SET GLOBAL debug_dbug="+d,inject_error_writing_xid";
BEGIN;
INSERT INTO t1 VALUES (22);
COMMIT;
ERROR HY000: Error writing file 'master-bin' (errno: 28 "No space left on device")
SET GLOBAL debug_dbug="+d,crash_dispatch_command_before";
COMMIT;
Got one of the listed errors
INSERT INTO t1 VALUES (23);
INSERT INTO t1 VALUES (24);
SELECT * from t1 WHERE a > 10 ORDER BY a;
a
13
14
23
24
include/save_master_gtid.inc
include/sync_with_master_gtid.inc
SELECT * from t1 WHERE a > 10 ORDER BY a;
a
13
14
23
24
# Repeat this with slave restart
SET GLOBAL debug_dbug="+d,inject_error_writing_xid";
BEGIN;
INSERT INTO t1 VALUES (25);
COMMIT;
ERROR HY000: Error writing file 'master-bin' (errno: 28 "No space left on device")
SET GLOBAL debug_dbug="+d,crash_dispatch_command_before";
COMMIT;
Got one of the listed errors
# Wait 30 seconds for IO thread to connect and SQL thread to catch up
# with IO thread.
include/stop_slave.inc
gtid_check
Binlog pos ok
gtid_check
Current pos ok
INSERT INTO t1 VALUES (26);
INSERT INTO t1 VALUES (27);
SELECT * from t1 WHERE a > 10 ORDER BY a;
a
13
14
23
24
26
27
include/save_master_gtid.inc
gtid_check
Binlog pos ok
gtid_check
Slave pos ok
gtid_check
Current pos ok
include/start_slave.inc
include/sync_with_master_gtid.inc
SELECT * from t1 WHERE a > 10 ORDER BY a;
a
13
14
23
24
26
27
DROP TABLE t1;
include/rpl_end.inc
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