GatewayTimeout when pulling Availability report over 3 month

[nagmoto]

Hi

On my 4.1.1 and 4.2.4 Nagios server, I can generate 3 months availability report for two months period,
using custom report period. But when I try over 3 months, I am getting following error message.

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Gateway Timeout
The gateway did not receive a timely response from the upstream server or application.

Following attempt to increase php socket timeout from 60 to 600 seconds didn't help either.

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[nagios@nagios03 ~]$ sudo grep ^default_socket  /etc/php.ini
default_socket_timeout = 600
[nagios@nagios03 ~]$

In attached screenshot, 07/2016 to 10/2016 will failed with timeout while 07/2016 to 09/2016 period is ok.

[avandemore]

Did you restart Apache after making the change?

[nagmoto]

Yes. I restarted both nagios and httpd.

[avandemore]

To confirm, you are now seeing this error after 10 minutes of waiting?

[nagmoto]

I think it is shorter than 10 minutes until I got time out.
Will this timeout got logged somewhere in the file ?

[nagmoto]

I timed it, it was about 2 minutes.

[avandemore]

What is the output of:

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# grep -R Timeout /etc/httpd/*

[nagmoto]

Masked log entry in /etc/httpd/logs/ssl_error_log

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[Tue Dec 20 13:26:34.488692 2016] [cgi:warn] [pid 27346] [client 192.168.1.150:55445] AH01220: Timeout waiting for output from CGI script /usr/lib64/nagios/cgi/avail.cgi, referer: https://nagios03.test.com/nagios/cgi-bin/avail.cgi?get_date_parts=&host=all
[root@nagios03 ~]#

[avandemore]

In /etc/httpd/httpd.conf please change from:

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#EnableMMAP off
EnableSendfile on

to

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#EnableMMAP off
EnableSendfile on

Timeout 600

Restart Apache and test.

[nagmoto]

"EnableSendfile on" was on already, I think "Timeout 600" in httpd.conf fixed the timeout issue.
Thanks. Please resolve this issue.