Hi Igor, When that happens, a log entry is usually written somewhere. As I said in my original post, no log entries are being generated anywhere when these 503s hit.
-Matthew -----Original Message----- From: Igor Cicimov [mailto:[email protected]] Sent: Sat 5/1/2010 4:29 PM To: [email protected] Subject: Re: [us...@httpd] Reason for 503 Reaching max number of connections maybe? Sent from my phone On May 1, 2010 6:47 AM, "Boehm, Matthew" <[email protected]> wrote: 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
