Hi,
I just noticed that replication on my servers failed when they were
under heavy load. I have 1 master and 2 slaves.
For example, I have table for all incoming messages.
message_inbox | CREATE TABLE `message_inbox` (
`member_id` mediumint(8) unsigned NOT NULL default '0',
`message_id` int(10) unsigned NOT NULL default '0',
`new` enum('y','n','replied') NOT NULL default 'y',
`datetime` datetime default NULL,
KEY `idx_1` (`member_id`,`new`),
KEY `idx_2` (`member_id`,`datetime`)
) TYPE=InnoDB
This table has about 2789678 rows.
I have a cron running this every night.
DELETE message_inbox FROM message_inbox LEFT JOIN message ON message.id
= message_inbox.message_id WHERE message.id IS NULL
Message table also has about the same amount of rows.
I notice that when the cron is running, the changes made to this table
don't replicate properly to slave DB. Anyone has same experience? I
checked 'show slave status' but no Last_error or Last_errno was found.
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