Jeremy Zawodny wrote:
>On Fri, Aug 02, 2002 at 05:41:09PM -0500, Shane Allen wrote:
>
>
>>The gentleman on PHPBuilder (http://www.phpbuilder.com/columns/tim20000705.php3)
>(again, I acknowledge this is an old article) says flat out that MySQL tends to die
>under high load. Also, when I say high load, I am talking 15-30. I have yet to see an
>application (other than MySQL when it's loaded down with queries) die under this
>level of load.
>>
>>
>
>That's not normal at all. MySQL shouldn't care about the system load.
>It may run *slower* but it shouldn't die.
>
Generally if it dies. Its because the operating system reached some
limit. Often if you look at the <hostname>.err file in /var/lib/mysql
there will be some clue as to what resource you ran out of. Some
possibilities are
o Virtual memory (swap space)
o Open file descriptors
o Address space
o Stack space
I think you need to examine your system when its underload and see if
any of these resources are near exhaustion.
>
>Jeremy
>
>
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