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From Dennis Jacobfeuerborn <denni...@conversis.de>
Subject Re: [users@httpd] Apache make fedora go into corner
Date Sun, 28 Dec 2014 02:08:00 GMT
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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