[Qgis-developer] Performance Tuning qgis.org
Tom Kralidis
tomkralidis at gmail.com
Sat Apr 5 16:09:01 PDT 2014
Could the docs / website be built elsewhere and then just scp'd over? Might lessen the processing load on the live site.
Sent from my iPhone
> On Apr 5, 2014, at 15:54, Alex Mandel <tech_dev at wildintellect.com> wrote:
>
>> On 04/05/2014 12:44 PM, Richard Duivenvoorde wrote:
>>> On 05-04-14 20:59, Alex Mandel wrote:
>>> I realized that we're no longer running any php based websites. Can
>>> someone verify that?
>>>
>>> If true we can try switching off Apache prefork for worker which is
>>> multi-threaded and might perform better.
>>
>> Hi Alex,
>>
>> I think you are right... but others, please let us know if we are wrong!
>>
>> Other point: although qgis.org website is as responsive as before,
>> actually doing something on the server is awfully slow (currently trying
>> to start a sphinx buildscript... it looks like it takes seconds for
>> every file to write....)?? Also opening a file in vim takes a long time??
>>
>> Is this related to the problems with the other server, or are we sharing
>> resources now or os?
>>
>> Regards,
>>
>> Richard Duivenvoorde
>
>
> Disk I/O is the current issue on the underlying hardware. Raid card
> batteries are in the mail already, which we believe is the root cause. A
> few days ago it was the raid rebuild causing it with the replacement
> disk in. So please avoid heavy disk usage for a few days.
>
> My comments above are actually all about reducing the I/O to make it
> perform better.
> http://blog.phusion.nl/2013/03/12/tuning-phusion-passengers-concurrency-settings/
>
> We've also been making tweaks to kernel scheduling, disk read ahead,
> swapiness, etc. All of this is actually helping make page serving even
> faster despite the disk bottleneck.
>
> Thanks,
> Alex
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