mirror of
https://github.com/MariaDB/server.git
synced 2025-02-09 23:24:11 +01:00
5ab5ff08b0
This commit makes replicas crash-safe by default by changing the Using_Gtid value to be Slave_Pos on a fresh slave start and after RESET SLAVE is issued. If the primary server does not support GTIDs (i.e., version < 10), the replica will fall back to Using_Gtid=No on slave start and after RESET SLAVE. The following additional informational messages/warnings are added: 1. When Using_Gtid is automatically changed. That is, if RESET SLAVE reverts Using_Gtid back to Slave_Pos, or Using_Gtid is inferred to No from a CHANGE MASTER TO given with log coordinates without MASTER_USE_GTID. 2. If options are ignored in CHANGE MASTER TO. If CHANGE MASTER TO is given with log coordinates, yet also specifies MASTER_USE_GTID=Slave_Pos, a warning message is given that the log coordinate options are ignored. Additionally, an MTR macro has been added for RESET SLAVE, reset_slave.inc, which provides modes/options for resetting a slave in log coordinate or gtid modes. When in log coordinates mode, the macro will execute CHANGE MASTER TO MASTER_USE_GTID=No after the RESET SLAVE command. When in GTID mode, an extra parameter, reset_slave_keep_gtid_state, can be set to reset or preserve the value of gtid_slave_pos. Reviewed By: =========== Andrei Elkin <andrei.elkin@mariadb.com>
51 lines
1.1 KiB
Text
51 lines
1.1 KiB
Text
########################################################
|
|
# By JBM 2005-02-15 Wrapped to allow reuse of test code#
|
|
########################################################
|
|
-- source include/have_binlog_format_row.inc
|
|
-- source include/master-slave.inc
|
|
|
|
# Test if the slave SQL thread can be more than 16K behind the slave
|
|
# I/O thread (> IO_SIZE)
|
|
|
|
# we'll use table-level locking to delay slave SQL thread
|
|
eval CREATE TABLE t1 (n INT);
|
|
sync_slave_with_master;
|
|
connection master;
|
|
RESET MASTER;
|
|
connection slave;
|
|
STOP SLAVE;
|
|
--source include/reset_slave.inc
|
|
|
|
connection master;
|
|
let $1=5000;
|
|
# Generate 16K of relay log
|
|
disable_query_log;
|
|
while ($1)
|
|
{
|
|
eval INSERT INTO t1 VALUES($1);
|
|
dec $1;
|
|
}
|
|
enable_query_log;
|
|
SELECT COUNT(*) FROM t1;
|
|
save_master_pos;
|
|
|
|
# Try to cause a large relay log lag on the slave by locking t1
|
|
connection slave;
|
|
LOCK TABLES t1 READ;
|
|
START SLAVE;
|
|
UNLOCK TABLES;
|
|
sync_with_master;
|
|
SELECT COUNT(*) FROM t1;
|
|
|
|
connection master;
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (n INT);
|
|
INSERT INTO t1 VALUES(3456);
|
|
sync_slave_with_master;
|
|
SELECT n FROM t1;
|
|
|
|
connection master;
|
|
DROP TABLE t1;
|
|
|
|
sync_slave_with_master;
|
|
--source include/rpl_end.inc
|