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Hello, I’m searching for a way to determine why apache would
present/return a 503 Service Unavailable. I cannot seem to find a way to log
this other than the fact that it occurred. There is no information in the
error_log nor in /var/log/message nor in any of the access_logs dealing with any
of the vhosts when this occurs. We receive this error on about 1% of all requests. So far
this month, we have 2,274,314 unique visitors comprising of 82,602,703 hits
(according to awstats), so 1% is a lot! How can I determine the “reason” behind the 503?
I tried looking at apache source to see where “return error_503”
may be but that is a daunting task. We are running PHP with the suPhpexec module, if that
matters. All mod_proxy* modules are disabled. We are running 2.2.14 on RHEL5.4. Thanks in advance! -Matthew |
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