Blair Zajac wrote:
>Over the last two weeks or so, I find my Subversion server hung
>and it won't respond to svn requests. In this state, a request
>for the normal HTML home page won't elicit a response.
>
>A little snooping shows that there are 152 httpd processes on
>the system and MaxClients is set to 150.
>
>My server doesn't get that much traffic, so this is really odd.
>
>I've attached strace to the master process and to one of the
>children, but they are just running select() forever.
>
>Has anybody else seen something similar?
>
>Any hints on how to debug this?
>
>I'm on RedHat 8.0 with db 4.1.2{4,5}. I've been using db 4.1.24
>for many months with no issues.
>
>
First a little speculation, I see the same problems on my RedHat 8.0 box
as well, although nobody else is reporting these issues. Perhaps its a
RedHat 8.0 problem?
When I attach to the httpd process that has the most memory allocated or
the second most (typically 2 processes are way above the rest), and do a
"thread apply all bt", I see most functions are waiting for something to
do while 2 or 3 are stuck in libdb somwhere, usually in __SELECT or
something. Are you seeing the same thing?
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Received on Wed Jan 8 15:38:13 2003