Hi David,
This sounds strange, and should NOT occur because of a server_id conflict.
Regards,
Jeremy
David Schneider-Joseph wrote:
Thank you.
We had a situation recently where two slaves had a conflicting server
ID for several minutes, and shortly thereafter the master started
reporting errors which were indicative of data corruption while
executing queries. This happened as the CPU usage climbed very
rapidly, and ultimately the entire master machine crashed with an out
of memory error.
Does this sound like something that could have been caused by a short-
lived server ID conflict? All servers involved were running 5.0.27.
Your answers would be most helpful!
Thanks,
David
On Sep 13, 2007, at 7:58 AM, Shawn Green wrote:
Hello David,
David Schneider-Joseph wrote:
Hi all,
What do you know about the effect of conflicting slave server IDs
on the master in general? And specifically, are you aware of any
issues with MySQL 5.0.27?
Your help is very much appreciated.
Thanks!
David
Repeating the same Server ID in your slave servers is "BAD". It has
caused minor problems like duplicate entries on the slaves and
major problems like over a TB of error logs in just a few minutes
(because of "failure to connect" errors). There are several very
good reasons why *each and every* server in a replication setup
needs its own, unique server_id. Many of them are discussed in the
chapter on Replication:
http://dev.mysql.com/doc/refman/5.0/en/replication.html
To see what has been fixed in MySQL since 5.0.27 was released,
please review the change logs documented here:
http://dev.mysql.com/doc/refman/5.0/en/releasenotes-cs-5-0.html
For a list of all other bugs (active and inactive) you are invited
to research the bugs database (it is a public forum) at:
http://bugs.mysql.com
--
Shawn Green, Support Engineer
MySQL Inc., USA, www.mysql.com
Office: Blountville, TN
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