Hi All,
We have apache 2.0.59 as a forward proxy on RHEL 3.0 in Worker.
The traffic on the server is around 45 Mb. Mod_status reported around
600 requests per second
The worker conf is
<IfModule worker.c>
ServerLimit 18
StartServers 10
ThreadsPerChild 50
MaxClients 900
MinSpareThreads 100
MaxSpareThreads 900
MaxRequestsPerChild 2000
</IfModule>
KeepAlive Off
Listen 8080
Apache is behaving very well for most of the time.
1. We see that the performance sometimes goes from good to bad and then
back to good.
What we mean bad is that pages take more time to load or get no
connection message.
(See the error log entries below)
2. After 3 hours apache stopped processing altogether. There is no
entries in the error log.
We had to restart Apache. But after 2 hours Apache stopped
processing requests.
We have rebooted the machine and monitoring the same. We have
not come across this behavior for the past 2 months.
Error log shows the following...
[Tue Dec 19 08:45:34 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:9080 (localhost) failed
[Tue Dec 19 08:45:35 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:9080 (localhost) failed
[Tue Dec 19 08:45:37 2006] [error] [client 86.90.135.159] proxy: DNS
lookup failure for: tsclient returned by http://tsclient/
[Tue Dec 19 08:45:38 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:9080 (localhost) failed
[Tue Dec 19 08:45:39 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:9080 (localhost) failed
[Tue Dec 19 08:45:42 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:9080 (localhost) failed
[Tue Dec 19 08:45:43 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:9080 (localhost) failed
[Tue Dec 19 08:45:46 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:9080 (localhost) failed
[Tue Dec 19 08:45:47 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:9080 (localhost) failed
[Tue Dec 19 08:45:50 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:9080 (localhost) failed
[Tue Dec 19 08:45:51 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:9080 (localhost) failed
[Tue Dec 19 08:45:52 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:4664 (127.0.0.1) failed
[Tue Dec 19 08:45:54 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:9080 (localhost) failed
[Tue Dec 19 08:45:55 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:9080 (localhost) failed
[Tue Dec 19 08:45:58 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:9080 (localhost) failed
[Tue Dec 19 08:45:59 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:9080 (localhost) failed
[Tue Dec 19 08:46:02 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:9080 (localhost) failed
[Tue Dec 19 08:46:03 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:9080 (localhost) failed
[Tue Dec 19 08:46:06 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:9080 (localhost) failed
[Tue Dec 19 08:46:07 2006] [error] [client 213.84.166.176] proxy: DNS
lookup failure for: vectraxp returned by http://vectraxp/
[Tue Dec 19 08:46:07 2006] [error] (111)Connection refused: proxy: HTTP:
attempt to connect to 127.0.0.1:9080 (localhost) failed
then automatically recovers after some time (bad to good performance).
Any help / suggestion will be highly appreciated.
Regards,
Sai
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