I have been having repeated problems with mySQL 3.23.36 on Linux (Red Hat
6.0, 2.4.3 kernel).
I think I've got traced the problem but I don't know how to fix it...
At some point after being started one or more of the mySQL threads hang with
the ps status of 'D' (my research suggests this can mean something disk
related or not).
At that point mySQL is totally hung. It won't respond to new connections,
thus basically hanging all my Apache sites that use it. Trying to launch
'mysqladmin' just hangs forever trying to connect.
The only solution is a restart. Processes with status 'D' cannot be killed.
What can I do about this? I've had to restart this server twice today and
it's a production Web server. Not fun.
Any help is GREATLY appreciated.
Hunter
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