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From Rashmi Srinivasan <rashmisrinivasan2...@gmail.com>
Subject Re: [users@httpd] Apache 2.4 (Apache Benchmarking) - Too many open files (24)
Date Fri, 23 Sep 2016 18:48:51 GMT
Hi,

This is the output of ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 15944
max locked memory       (kbytes, -l) 64
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 0
stack size              (kbytes, -s) 10240
cpu time               (seconds, -t) unlimited
max user processes              (-u) 1024
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:'
>>>>         Stress testing of apache 2.2 works very well with the default
>>>> mpm worker onfiguration
>>>>         However, apache 2.4 doesnt work at all with the default
>>>> configuration, gives the error:
>>>>          2000 concurrent requests
>>>>       Benchmarking x.x.x.x (be patient)
>>>>       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:
>>>>                            "AH00046: child process still did not exit,
>>>> sending a SIGKILL"
>>>>                            (2)No such file or directory: [client
>>>> x.x.x.c] AH01256: connect #7 to cgi daemon failed, sleeping before retry
>>>>                             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
>>>>
>>>>
>>>> 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:
>>>>> >  [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.
>>>>>
>>>>> ---------------------------------------------------------------------
>>>>> To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org
>>>>> For additional commands, e-mail: users-help@httpd.apache.org
>>>>>
>>>>>
>>>>
>>>
>>
>
>
> --
>
> *Rubén Toribio Aldeguer*
> Técnico Sistemas DataCenter
> Informática Área Sistemas
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