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From "georg chambert" <georg.chamb...@telia.com>
Subject Re: [users@httpd] Apache make fedora go into corner
Date Sun, 28 Dec 2014 16:25:40 GMT
Thanx much both, will test both approches and see if
I can get closer. But depleating memory so fast
with so little traffic would be quite worrying.
On the other hand there could be intense traffic
just before crasch, and which never gets logged on file in apache logs ?

/georg

----- Original Message ----- 
From: "Dennis Jacobfeuerborn" <dennisml@conversis.de>
To: <users@httpd.apache.org>
Sent: Sunday, December 28, 2014 3:08 AM
Subject: Re: [users@httpd] Apache make fedora go into corner


> In cases like these nmon is a useful tool. It's a top-like tool with the
> ability to write the stats into a log file for later analysis.
> It is really nice when you want the basics monitored but not install a
> full monitoring solution like nagios, zabbix, etc.
>
> Regards,
>  Dennis
>
> On 27.12.2014 18:03, Dr James Smith wrote:
>> If you have root access you can look in /var/log and this might show up
>> stuff in messages or syslog...
>>
>> Sometimes Apache can leak little bits of memory with each request -
>> along with other processes.
>>
>> You could also write a simple cron job which does something like:
>>
>> echo `date` `cat /proc/meminfo | grep Free | grep kB | cut -d : -f 2 |
>> xargs` >> ~/mem-free
>>
>> which will give you a log file like:
>>
>> Sat Dec 27 17:01:01 GMT 2014 80908 kB 3549440 kB
>> Sat Dec 27 17:02:01 GMT 2014 79760 kB 3549516 kB
>>
>> and so you can check that the two numbers (mem free + swap free) are not
>> both getting towards 0...
>>
>> On 27/12/2014 15:52, georg chambert wrote:
>>> Hi James,
>>> well, no, traffic hasn't been very intense, and the machines only task
>>> is to be a server, the number  of accesses
>>> (at least in logg) is quite limited, some hundred at maximum, is there
>>> a way to  check "post-mortem" ?
>>>
>>>     ----- Original Message -----
>>>     *From:* Dr James Smith <mailto:js5@sanger.ac.uk>
>>>     *To:* users@httpd.apache.org <mailto:users@httpd.apache.org>
>>>     *Sent:* Saturday, December 27, 2014 3:49 PM
>>>     *Subject:* Re: [users@httpd] Apache make fedora go into corner
>>>
>>>     On 27/12/2014 13:21, georg chambert wrote:
>>>>     Hi, have for a bit of time had trouble with my server PC running
>>>>     Fedora Os and Apache.
>>>>     After some time it goes into non-communicatable mode, does not
>>>>     take any input whatsover,
>>>>     hard shutdown is only way to get out. It can be 24hours and it
>>>>     can be 14days of running before this happes.
>>>>     While if  the httpd is not active the machine has no issues.
>>>>     So where do I look to find answers; short look in access_log for
>>>>     servere does not give any specific clues to what
>>>>     happens, possibly because the "hard takedown" of the machine the
>>>>     file is not closed properly ?
>>>     Have you checked top regularly to see if you are running the
>>>     machine out of memory.
>>>
>>>>     Any suggestions ?
>>>>     Georg
>>>
>>>
>>>
>>>
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>>
>>
>>
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>
>
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