mirror of
https://github.com/MariaDB/server.git
synced 2025-10-24 08:30:51 +02:00
0a68328673
This is actually an existing problem in the old binlog implementation, and this patch is applicable to old binlog also. The problem is that RESET MASTER can run concurrently with binlog dump threads / connected slaves. This will remove the binlog from under the feet of the reader, which can cause all sorts of strange behaviour. This patch fixes the problem by disallowing to run RESET MASTER when dump threads (or other RESET MASTER or SHOW BINARY LOGS) are running. An error is thrown in this case, user must stop slaves and/or kill dump threads to make the RESET MASTER go through. A slave that connects in the middle of RESET MASTER will wait for it to complete. Fix a lot of test cases to kill any lingering dump threads before doing RESET MASTER, mostly just by sourcing include/kill_binlog_dump_threads.inc. Signed-off-by: Kristian Nielsen <knielsen@knielsen-hq.org>
140 lines
3.9 KiB
Text
140 lines
3.9 KiB
Text
connection node_2;
|
|
connection node_1;
|
|
connect replica1, 127.0.0.1, root, , test, $NODE_MYPORT_1;
|
|
connect primary2, 127.0.0.1, root, , test, $NODE_MYPORT_3;
|
|
connect primary1, 127.0.0.1, root, , test, $NODE_MYPORT_4;
|
|
connect replica2, 127.0.0.1, root, , test, $NODE_MYPORT_4;
|
|
connection primary1;
|
|
# Primary1 node creating user for replication
|
|
create user repl@'%' identified by 'repl';
|
|
grant all on *.* to repl@'%';
|
|
ALTER TABLE mysql.gtid_slave_pos ENGINE=InnoDB;
|
|
connection replica1;
|
|
connection node_2;
|
|
connection primary2;
|
|
connection primary1;
|
|
connection replica1;
|
|
# Galera replica changing master to primary1
|
|
START SLAVE;
|
|
connection primary2;
|
|
# Primary2 creating user for replication
|
|
create user repl2@'%' identified by 'repl2';
|
|
grant all on *.* to repl2@'%';
|
|
connection replica2;
|
|
# replica2 changing master to primary2
|
|
START SLAVE;
|
|
connection primary1;
|
|
# Primary1: Creating table and populating it with data
|
|
CREATE TABLE t1 (id bigint auto_increment primary key, msg varchar(100)) engine=innodb;
|
|
# Intentionally generate 1k GTID-events
|
|
SELECT COUNT(*) AS EXPECT_1000 FROM t1;
|
|
EXPECT_1000
|
|
1000
|
|
connection replica1;
|
|
# Waiting for data to replicate to replica
|
|
SELECT COUNT(*) AS EXPECT_1000 FROM t1;
|
|
EXPECT_1000
|
|
1000
|
|
# Writing more data to table
|
|
# Intentionally generate 1k GTID-events
|
|
SELECT COUNT(*) AS EXPECT_2000 FROM t1;
|
|
EXPECT_2000
|
|
2000
|
|
connection node_2;
|
|
# Waiting for data to replicate to Galera node_2
|
|
SELECT COUNT(*) AS EXPECT_2000 FROM t1;
|
|
EXPECT_2000
|
|
2000
|
|
# Writing more data to table
|
|
# Intentionally generate 1k GTID-events
|
|
SELECT COUNT(*) AS EXPECT_3000 FROM t1;
|
|
EXPECT_3000
|
|
3000
|
|
connection primary2;
|
|
# Waiting for data to replicate to primary2
|
|
SELECT COUNT(*) AS EXPECT_3000 FROM t1;
|
|
EXPECT_3000
|
|
3000
|
|
# Writing more data to table
|
|
# Intentionally generate 1k GTID-events
|
|
SELECT COUNT(*) AS EXPECT_4000 FROM t1;
|
|
EXPECT_4000
|
|
4000
|
|
connection primary1;
|
|
# Waiting for data to replicate to primary1
|
|
SELECT COUNT(*) AS EXPECT_4000 FROM t1;
|
|
EXPECT_4000
|
|
4000
|
|
SELECT COUNT(*) > 0 AS EXPECT_1 FROM mysql.gtid_slave_pos;
|
|
EXPECT_1
|
|
1
|
|
SELECT COUNT(*) < 1000 AS EXPECT_1 FROM mysql.gtid_slave_pos;
|
|
EXPECT_1
|
|
1
|
|
SELECT @@gtid_slave_pos,@@gtid_binlog_pos,@@gtid_current_pos;
|
|
@@gtid_slave_pos @@gtid_binlog_pos @@gtid_current_pos
|
|
0-4-1004,16-15-3002 0-4-1004,16-15-3002 0-4-1004,16-15-3002
|
|
connection replica1;
|
|
# Waiting for data to replicate to replica
|
|
SELECT COUNT(*) AS EXPECT_4000 FROM t1;
|
|
EXPECT_4000
|
|
4000
|
|
SELECT COUNT(*) > 0 AS EXPECT_1 FROM mysql.gtid_slave_pos;
|
|
EXPECT_1
|
|
1
|
|
SELECT COUNT(*) < 1000 AS EXPECT_1 FROM mysql.gtid_slave_pos;
|
|
EXPECT_1
|
|
1
|
|
SELECT @@gtid_slave_pos,@@gtid_binlog_pos,@@gtid_current_pos;
|
|
@@gtid_slave_pos @@gtid_binlog_pos @@gtid_current_pos
|
|
0-4-1004,16-15-3002 0-4-1004,16-15-3002 0-4-1004,16-15-3002
|
|
connection node_2;
|
|
# Waiting for data to replicate to node_2
|
|
SELECT COUNT(*) AS EXPECT_4000 FROM t1;
|
|
EXPECT_4000
|
|
4000
|
|
SELECT COUNT(*) > 0 AS EXPECT_1 FROM mysql.gtid_slave_pos;
|
|
EXPECT_1
|
|
1
|
|
SELECT COUNT(*) < 1000 AS EXPECT_1 FROM mysql.gtid_slave_pos;
|
|
EXPECT_1
|
|
1
|
|
SELECT @@gtid_slave_pos,@@gtid_binlog_pos,@@gtid_current_pos;
|
|
@@gtid_slave_pos @@gtid_binlog_pos @@gtid_current_pos
|
|
0-4-1004 0-4-1004,16-15-3002 0-4-1004,16-15-3002
|
|
connection primary2;
|
|
# Waiting for data to replicate to node_3
|
|
SELECT COUNT(*) AS EXPECT_4000 FROM t1;
|
|
EXPECT_4000
|
|
4000
|
|
SELECT COUNT(*) > 0 AS EXPECT_1 FROM mysql.gtid_slave_pos;
|
|
EXPECT_1
|
|
1
|
|
SELECT COUNT(*) < 1000 AS EXPECT_1 FROM mysql.gtid_slave_pos;
|
|
EXPECT_1
|
|
1
|
|
SELECT @@gtid_slave_pos,@@gtid_binlog_pos,@@gtid_current_pos;
|
|
@@gtid_slave_pos @@gtid_binlog_pos @@gtid_current_pos
|
|
0-4-1004 0-4-1004,16-15-3002 0-4-1004,16-15-3002
|
|
connection primary1;
|
|
drop table t1;
|
|
# Wait until drop table is replicated on Galera
|
|
connection replica1;
|
|
connection node_2;
|
|
connection primary2;
|
|
connection replica1;
|
|
STOP SLAVE;
|
|
RESET SLAVE ALL;
|
|
connection replica2;
|
|
STOP SLAVE;
|
|
RESET SLAVE ALL;
|
|
include/kill_binlog_dump_threads.inc
|
|
RESET MASTER;
|
|
connection node_1;
|
|
disconnect primary1;
|
|
disconnect replica1;
|
|
disconnect primary2;
|
|
disconnect replica2;
|
|
disconnect node_2;
|
|
disconnect node_1;
|
|
# End of test
|