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Home > Archive > Web Servers on Unix and Linux > September 2004 > apache/php sockets - weird problem
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apache/php sockets - weird problem
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| Aurimas Mikalauskas 2004-08-25, 5:53 pm |
| A server having about 500 virtual servers and running apache-1.3.31
has a very weird problem. After runing couple of hours (or more, depending
on server load) web applications stop using sockets. php functions like
fsockopen() or curl_init() start barking something like "fsockopen(): unable
to connect to $HOST:$PORT" although these connections can be successfully made
by server using local tools (like telnet etc.). I've been looking for an answer
for about three months (same problem was with apache-1.3.28,29) and now I feel
that the answer is very close (maybe in this list  but yet not in my hands.
If you have any idea how could I figure out this problem, please be so kind
and help me.
By the way, apachectl graceful or apachectl restart does not solve the problem,
the only way to keep going for another couple of hours is to stop the apache
and start it again.
OS: FreeBSD-4.9 STABLE
important system variables:
kern.maxfiles: 131072
kern.maxfilesperproc: 32768
kern.ipc.somaxconn: 32768
kern.ipc.maxsockbuf: 262144
kern.ipc.maxsockets: 26624
And if there's any way I could help you to solve my problem, please tell me,
I'll do my best.
Thank you!
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| scootgirl.com 2004-09-02, 8:47 pm |
| "Aurimas Mikalauskas" <inner@crazy.lt> wrote in message
news:6db3f2af.0408250744.6f243b98@posting.google.com...
> A server having about 500 virtual servers and running apache-1.3.31
> has a very weird problem. After runing couple of hours (or more, depending
> on server load) web applications stop using sockets. php functions like
> fsockopen() or curl_init() start barking something like "fsockopen():
unable
> to connect to $HOST:$PORT" although these connections can be successfully
made
> by server using local tools (like telnet etc.). I've been looking for an
answer
> for about three months (same problem was with apache-1.3.28,29) and now I
feel
> that the answer is very close (maybe in this list but yet not in my
hands.
> If you have any idea how could I figure out this problem, please be so
kind
> and help me.
>
> By the way, apachectl graceful or apachectl restart does not solve the
problem,
> the only way to keep going for another couple of hours is to stop the
apache
> and start it again.
>
> OS: FreeBSD-4.9 STABLE
>
> important system variables:
> kern.maxfiles: 131072
> kern.maxfilesperproc: 32768
> kern.ipc.somaxconn: 32768
> kern.ipc.maxsockbuf: 262144
> kern.ipc.maxsockets: 26624
>
> And if there's any way I could help you to solve my problem, please tell
me,
> I'll do my best.
>
> Thank you!
Not that this will help...
But have you used: http://httpd.apache.org/docs/vhosts/mass.html - 500 is a
lot of vhosts!
You could make sym links from the user directories to the
VirtualDocumentRoot directories. This might ease the load if you aren't
doing this already.
Karen
http://scootgirl.com/
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