What I use; a very simple imapd memory grapher.


On 21-03-14 22:07, Reindl Harald wrote:
> 
> Am 21.03.2014 21:46, schrieb Paul J Stevens:
>> On 21-03-14 21:01, Reindl Harald wrote:
>>> looks like the random timeouts are really away now
>>> see sub-thread of "Iphone HTML emails" a few days ago
>>>
>>> finally we will see the result next week since these got more after longer
>>> uptime, however 2 days without any error looks new, not a single connection
>>> error from the dovecot-proxy after the update
>>
>> Nice. Very good to hear. If you can try to profile memory usage, using
>> rrdtool or similar tools. I'm very curious how memory footprints hold up
>> in usage patterns that differ from the ones I see myself, read: much
>> higher concurrencies and more diverse clients
> 
> can you elaborate rrdtool in context of memory usage?
> 
> i am happily monitor that on our production servers, currently
> only aware of it in context mailgraph / smokeping, systemd runs
> anything fine as service (some of mine are "while (1==1) loops"
> in php-scripts with autorestart in case of fatal errors
> 
> so anything you have for monitoring -> throw it to me
> _________________________________________
> 
> for what i have seen now below 200 MB for imapd and way lower for the other
> services, the stats are starting now from zero because update of nss and
> processes listed in "lsof | grep DEL" restarted but as far as i remember 
> 3.1.13
> has the best values i have ever seen since dbmail-3.0
> 
> honestly i think even dbmail-2.x was affected by that timeouts because i
> remember client complaints of MUA's asking for their passwords from time
> to time, iexplained that with connection troubles on the client side years
> ago, not proveable but maybe also cleaned up that rare cases
> 
> thanks so much for the hard work on that great software, we both know
> way too much how painful debugging is - i have never seen any maintainer
> finding reported issues that often by look at the code and nothing else!
> 
> 
> 
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-- 
________________________________________________________________
Paul J Stevens       pjstevns @ gmail, twitter, github, linkedin
           www.nfg.nl/[email protected]/+31.85.877.99.97

Attachment: grapher.sh
Description: application/shellscript

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