Hi All!
We are having an issue where, if a php script is waiting for more than 30
seconds, apache will kill the connection to php-fpm with the following error:
[Thu Apr 25 15:20:11.977250 2013] [proxy_fcgi:error] [pid 21763:tid
140634392327936] (70007)The timeout specified has expired: [client
172.16.131.26:47588] AH01075: Error dispatching request to :
(That's the exact error, not cut or redacted in any way.)
The easiest way to reproduce this is to create a php script that contains only
"sleep(60);". After 30 seconds apache will stop waiting and return an error.
We are using apache 2.4.2 and php 5.3.6, and have things set up so that apache
proxies over to php-fpm using mod_proxy_fcgi.
Unfortunately, the error message above doesn't provide very much information.
I have turned on debugging in php-fpm, but it only shows that the connection
was terminated - no error message. I have increased debugging in apache
(LogLevel debug trace4), but it still only shows the message above.
The relevant section of my config looks like this:
ProxyTimeout 600
Timeout 600
RewriteCond %{REQUEST_FILENAME} \.php
RewriteRule (.*) fcgi://localhost:9000/opt/mm/planner/current$1 [L,P,QSA]
My php configs are:
php.ini:
max_execution_time = 5
max_input_time = 3
memory_limit = 8192M
php-fpm.conf:
request_terminate_timeout = 0
request_slowlog_timeout = 0
At one point I set the request_terminate_timeout to both higher and lower than
30 seconds. When it was lower than 30 seconds, the script would be killed by
php. When it was higher than 30 seconds, we would see the apache error above,
and then once the request_terminate_timeout was hit php would print a message
indicating it had killed the script.
I've even gone so far as to trawl through the apache source code. I did find
this in mod_proxy_fcgi.c:
/* We need SOME kind of timeout here, or virtually anything will
* cause timeout errors. */
if (! conn->worker->s->timeout_set) {
timeout = apr_time_from_sec(30);
}
Which seems to be a hard-coded 30 second timeout if no other timeout is set.
Is there a way to set the "Connection Worker" (I guess?) timeout? Or is this
totally the wrong thing to be looking at?
Any help with this issue would be greatly appreciated.
Thanks!
Daniel Steen
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