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From Stormy <storm...@stormy.ca>
Subject Re: [users@httpd] Apache 2.4 (Apache Benchmarking) - Too many open files (24)
Date Fri, 23 Sep 2016 19:32:26 GMT
At 12:18 AM 9/24/2016 +0530, Rashmi Srinivasan wrote:
>Hi,
>
>This is the output of ulimit -aÂ
[snip]
>max user processes              (-u) 1024

Pure guesswork, but this looks low -- on a 32bit system, try 2^15; on 
64bits, 2^16 ... or more ...

P.

>virtual memory          (kbytes, -v) unlimited
>file locks                      (-x) unlimited
>
>Thanks,
>
>On Fri, Sep 23, 2016 at 8:25 PM, Rubén Toribio Aldeguer 
><rtoribio@riu.com> wrote:
>I think your problem is not Apache, but your OS.
>I think Apache 2.2 and 4.4 uses diferent mpm mode (my memory is poor).
>I think you OS is limiting the number of Opens Files that can Manage. 
>(safety reasons)
>Please, can you print you ulimit output, as I advise on a previous mail?
>
>Thanks.
>
>2016-09-23 11:55 GMT+02:00 Rashmi Srinivasan <rashmisrinivasan2007@gmail.com>:
>Hi,
>Do you feel this is the issue with some configuration or would this be an 
>issue with apache itself.
>Has anybody encountered a performance issue of this kind.
>Please comment
>
>Thanks,
>RS
>
>On Fri, Sep 23, 2016 at 1:43 PM, Rashmi Srinivasan 
><rashmisrinivasan2007@gmail.com> wrote:
>Is there a minimum requirement for apache 2.4 to run these tests?
>I have tried on different machines with different configurations with the 
>same outcome.
>Please advise.
>
>Thanks,
>RS
>
>On Fri, Sep 23, 2016 at 1:14 AM, Rashmi Srinivasan 
><rashmisrinivasan2007@gmail.com> wrote:
>Hi,
>Thanks for checking this,
>
>I wanted to check the below:'
>Â  Â  Â  Â  Stress testing of apache 2.2 works very well with the default 
>mpm worker onfiguration
>Â  Â  Â  Â  However, apache 2.4 doesnt work at all with the default 
>configuration, gives the error:
>Â  Â  Â  Â  Â 2000 concurrent requests
>Â  Â  Â  Benchmarking x.x.x.x (be patient)
>Â  Â  Â  socket: Too many open files (24)
>
>After changing the configuration, as described in the previous email, it 
>starts processing them:
>Lots of timeouts are occurring.
>Error in the error_lo is:
>Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â "AH00046: child process still did

>not exit, sending a SIGKILL"
>Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â (2)No such file or directory: 
>[client x.x.x.c] AH01256: connect #7 to cgi daemon failed, sleeping before 
>retry
>Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â  Â Â 11)Resource temporarily 
>unavailable: AH01252: couldn't create child process: 11:
>I also noticed that the CPU utilzation reached 99.9%
>Which is when apache terminates
>
>What changes are to be done in this case.
>Please advise
>
>Thanks,
>RS
>Â
>
>On Thu, Sep 22, 2016 at 9:54 PM, Yann Ylavic <ylavic.dev@gmail.com> wrote:
>On Thu, Sep 22, 2016 at 5:20 PM, Rashmi Srinivasan
><rashmisrinivasan2007@gmail.com> wrote:
> >
> > Access log has the following status:
> >Â  [22/Sep/2016:20:17:21 +0530] "GET /cgi-bin/script.cgi HTTP/1.0" 200 16
>
>What's in the *error* log (path from the ErrorLog directive)?
>What about resources (CPU, load average, ...) on the httpd machine
>during the stress?
>
>Regards,
>Yann.
>
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>--
>
>Rubén Toribio Aldeguer
>Técnico Sistemas DataCenter
>Informática Área Sistemas
>(+34) 971743030
>www.riu.com / www.riuplaza.com
>
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