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Reply to topic   Topic: Apache outages 3-4 times in a day...
Author
babar.zahiruddin



Joined: 07 Mar 2016
Posts: 2
Location: India, Indore

PostPosted: Mon 07 Mar '16 18:14    Post subject: Apache outages 3-4 times in a day... Reply with quote

Hi there,

I'm trying to debug a system that has occasional outages, until we do a restart of apache http server.

There are two server 1. Application server 2. Database Server both communicate through private LAN.

Both server works fine but without any specific reason the Apache get outage and stop responding for few minutes until we do restart.

My Question:

1. Is this because of more request trying to access apache than its limit.

2. Some people suggest to switch from apache to NginX, can it solve the problem?

3. What can be the immediate solution to buy time for a permanent solution.

Thanks in Advance.
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admin
Site Admin


Joined: 15 Oct 2005
Posts: 692

PostPosted: Mon 07 Mar '16 19:03    Post subject: Reply with quote

What apache version do you run ?

Anything in apache log ?

Next time supply more info, see forum rules.
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dg



Joined: 18 Feb 2016
Posts: 6

PostPosted: Sun 13 Mar '16 11:40    Post subject: Reply with quote

Had the same problem with quite the same setup before. Following the instructions at https://www.apachelounge.com/viewtopic.php?p=32414 solved the problem for me.

Code:
When you have hangs, slow traffic and/or when having in your log entries like Asynchronous AcceptEx failed. You can try the following settings:

AcceptFilter http none
AcceptFilter https none
EnableSendfile off
EnableMMAP off
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babar.zahiruddin



Joined: 07 Mar 2016
Posts: 2
Location: India, Indore

PostPosted: Mon 14 Mar '16 8:59    Post subject: Reply with quote

Hi Admin,
As per forum rules, plz find more information about the server:

we have also observed that the server when into outage when there is heavy traffic or huge processes are running on it.

Server Version:
Apache/2.2.29 (Unix) mod_ssl/2.2.29 OpenSSL/1.0.1e-fips mod_bwlimited/1.4
Server Built: Jun 30 2015 16:50:11

Other Information:
Current Time: Monday, 14-Mar-2016 12:19:42 ISTRestart Time: Saturday, 12-Mar-2016 16:44:59 ISTParent Server Generation: 23Server uptime: 1 day 19 hours 34 minutes 43 secondsTotal accesses: 590387 - Total Traffic: 2.9 GBCPU Usage: u14.55 s2.34 cu774.79 cs0 - .505% CPU load3.76 requests/sec - 19.3 kB/second - 5.1 kB/request
345 requests currently being processed, 69 idle workers

Thanks,
Zahir
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