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From Jayaram Ponnusamy <jayaram.ponnus...@gmail.com>
Subject Re: [users@httpd] Apache Crashing Everyday
Date Thu, 02 Mar 2017 06:55:17 GMT
Hi Jim & Jason,

Yes We are planning to upgrade to httpd 2.4.25 (Stable Version). So, in the
2.4.25 also we should use mod_jk to connect with Tomcat or anyother better
options are there?
Tomcat instances are running on different machines.
And mod_php is not configured.
Thanks


On Wed, Mar 1, 2017 at 9:19 PM, Jason Brooks <jason.brooks@eroi.com> wrote:

> Hello,
>
> You will also need to turn off mod_php if it’s loaded.
>
> —jason
>
> Jason Brooks Systems Administrator
> eROI Performance is Art.
>
> m: 505 nw couch #300 w: eroi.com
> t: 503.290.3105 f: 503.228.4249
>
>
> fb: fb.com/eROI <http://www.facebook.com/eROI>
>
>
>
>
>
>
>
>
> On Mar 1, 2017, at 8:35 AM, Jim Jagielski <jim@jaguNET.com
> <jim@jagunet.com>> wrote:
>
> If you can, I would upgrade to httpd 2.4.x... If you must
> stay w/ 2.2.x, then Worker might be more reliable for you
> than Event.
>
> On Mar 1, 2017, at 9:56 AM, Jayaram Ponnusamy <jayaram.ponnusamy@gmail.com>
> wrote:
>
> Thanks Jim for the suggestion.
> I will update
> Timeout 5
> KeepAliveTimeout 2
>
> We are using Apache 2.2.23
> We will try to install Event MPM and will check.
> Thanks
> Jay
>
>
>
> On Mar 1, 2017 5:05 PM, "Jim Jagielski" <jim@jagunet.com> wrote:
> You should not be using prefork unless you really, really need to.
>
> Assuming you are running 2.4.x, I would strongly suggest running
> the Event MPM.
>
> Your Timeout and KeepAliveTimeout values are also way too big;
> I'd recommend 5 and 2, respectively.
>
> On Mar 1, 2017, at 4:19 AM, Jayaram Ponnusamy <jayaram.ponnusamy@gmail.com>
> wrote:
>
> Dear All,
>
> We are using 2 Apache & 2 Tomcat with LoadBalance. Everyday the site is
> goes down and restarting Apache & Tomcat only help to bring the site back.
>
> I could see below errors on WebServer's Error Log, when the "total
> children" count increased more than 200 then Apache is not responding. I
> have included my prefork configuration below. Kindly please help to resolve
> this issue.
>
> [Wed Mar 01 11:46:39 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 8 children, there
> are 1 idle, and 464 total children
> [Wed Mar 01 11:47:25 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 8 children, there
> are 0 idle, and 507 total children
> [Wed Mar 01 11:47:34 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 8 children, there
> are 0 idle, and 522 total children
> [Wed Mar 01 11:47:35 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 16 children, there
> are 3 idle, and 530 total children
> [Wed Mar 01 11:48:22 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 8 children, there
> are 0 idle, and 578 total children
> [Wed Mar 01 11:48:23 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 16 children, there
> are 0 idle, and 586 total children
> [Wed Mar 01 11:48:24 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 32 children, there
> are 0 idle, and 602 total children
> [Wed Mar 01 11:48:25 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 32 children, there
> are 0 idle, and 634 total children
> [Wed Mar 01 11:48:26 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 32 children, there
> are 0 idle, and 666 total children
> [Wed Mar 01 11:48:27 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 32 children, there
> are 0 idle, and 698 total children
> [Wed Mar 01 11:48:28 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 32 children, there
> are 0 idle, and 730 total children
> [Wed Mar 01 11:48:29 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 32 children, there
> are 0 idle, and 762 total children
> [Wed Mar 01 11:48:30 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 32 children, there
> are 0 idle, and 794 total children
> [Wed Mar 01 11:48:31 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 32 children, there
> are 0 idle, and 826 total children
> [Wed Mar 01 11:48:32 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 32 children, there
> are 0 idle, and 858 total children
> [Wed Mar 01 11:48:33 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 32 children, there
> are 0 idle, and 890 total children
> [Wed Mar 01 11:49:08 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 8 children, there
> are 0 idle, and 944 total children
> [Wed Mar 01 11:49:09 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 16 children, there
> are 2 idle, and 952 total children
> [Wed Mar 01 11:50:14 2017] [info] server seems busy, (you may need to
> increase StartServers, or Min/MaxSpareServers), spawning 8 children, there
> are 3 idle, and 934 total children
>
>
> mod_jk.log
> [Wed Mar 01 11:58:14 2017][24547:2663257856] [info]
> jk_open_socket::jk_connect.c (594): connect to 100.10.661.32:8009 failed
> (errno=110)
> [Wed Mar 01 11:58:14 2017][24547:2663257856] [info]
> ajp_connect_to_endpoint::jk_ajp_common.c (922): Failed opening socket to
> (100.10.661.32:8009) (errno=110)
> [Wed Mar 01 11:58:14 2017][24547:2663257856] [error]
> ajp_send_request::jk_ajp_common.c (1507): (live_svr) connecting to
> backend failed. Tomcat is probably not started or is listening on the wrong
> port (errno=110)
> [Wed Mar 01 11:58:14 2017][24547:2663257856] [info]
> ajp_service::jk_ajp_common.c (2447): (live_svr) sending request to tomcat
> failed (recoverable), because of error during request sending (attempt=1)
> [Wed Mar 01 11:58:14 2017][24318:2663257856] [info]
> jk_open_socket::jk_connect.c (594): connect to 100.10.661.32:8009 failed
> (errno=110)
> [Wed Mar 01 11:58:14 2017][24318:2663257856] [info]
> ajp_connect_to_endpoint::jk_ajp_common.c (922): Failed opening socket to
> (100.10.661.32:8009) (errno=110)
> [Wed Mar 01 11:58:14 2017][24318:2663257856] [error]
> ajp_send_request::jk_ajp_common.c (1507): (live_svr) connecting to
> backend failed. Tomcat is probably not started or is listening on the wrong
> port (errno=110)
> [Wed Mar 01 11:58:14 2017][24318:2663257856] [info]
> ajp_service::jk_ajp_common.c (2447): (live_svr) sending request to tomcat
> failed (recoverable), because of error during request sending (attempt=1)
> [Wed Mar 01 11:58:14 2017][24282:2663257856] [info]
> jk_open_socket::jk_connect.c (594): connect to 100.10.661.32:8009 failed
> (errno=110)
> ------------------------------------------------------------
> -------------------
> httpd.conf:
> KeepAlive On
> Timeout 300
> MaxKeepAliveRequests 100
> KeepAliveTimeout 15
>
> <IfModule prefork.c>
> StartServers      80
> ServerLimit   3500
> MaxClients    3500
> MaxRequestsPerChild  0
> </IfModule>
>
> mod_jk.conf:
> <IfModule worker.c>
> StartServers 6
> MaxClients 230
> MinSpareThreads 75
> MaxSpareThreads 150
> ThreadsPerChild 25
> MaxRequestsPerChild 0
> </IfModule>
>
> Daily 20K Plus People will visit our sites. Kindly please provide the
> solution to resolve this issue.
>
> --
> Thanks & Regards,
>
> Jayaram Ponnusamy
>
>
>
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-- 

*Thanks & Regards,*
*Jayaram Ponnusamy*

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