Hi! I was able to break replication with a single SLAVE STOP command in 4.0.6.
I ran an InnoDB stress test ibtest17. >From the printout below we see that after SLAVE START immediately we got a foreign key error in the slave. That shows the slave no longer was identical to the master, since only successful SQL statements are logged in the master. heikki@hundin:~/mysql-4.0/sql> mysqld --defaults-file=/home/heikki/slavemy.cnf 021208 20:39:45 InnoDB: Started mysqld: ready for connections 021208 20:39:45 Slave I/O thread: connected to master 'slaveuser@hundin:3307', replication started in log 'FIRST' at position 4 <SLAVE STOP issued here> 021208 20:40:04 Slave I/O thread exiting, read up to log 'binlog.001', position 8634144 021208 20:40:04 Slave SQL thread exiting, replication stopped in log 'binlog.0 01' at position 8630891 <SLAVE START issued here> ERROR: 1216 Cannot add a child row: a foreign key constraint fails 021208 20:40:12 Slave: error 'Cannot add a child row: a foreign key constraint fails' on query 'insert into ibtest17b (D, B, C) values (LAST_INSERT_ID(), 'tttt ' ,'yyyyy')', error_code=1216 021208 20:40:12 Error running query, slave SQL thread aborted. Fix the problem, and restart the slave SQL thread with "SLAVE START". We stopped at log 'binlog. 001' position 8630891 021208 20:40:12 Slave I/O thread: connected to master 'slaveuser@hundin:3307', replication started in log 'binlog.001' at position 8634144 We can say that SLAVE STOP cannot currently be used at all when you have transactions bigger than a single SQL statement running. I am forwarding this to the replication developer of MySQL AB. He must fix SLAVE STOP. Best regards, Heikki Tuuri Innobase Oy --- InnoDB - transactions, hot backup, and foreign key support for MySQL See http://www.innodb.com, download MySQL-Max from http://www.mysql.com sql query --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
