On Wed, Mar 7, 2012 at 5:26 AM, Andrea Aime
<andrea.a...@geo-solutions.it> wrote:
> On Wed, Mar 7, 2012 at 3:24 AM, Gabriel Roldan <grol...@opengeo.org> wrote:
>>
>> I would rather work towards making it robust enough so that if you
>> don't want to use it just remove the tile layers and disable the
>> 'create a tile layer for every new added layer' functionality. Both
>> things are already possible, as is disabling the specific gwc provided
>> services (tms, wmts, wms-c). Diskquota not breaking a clustered (well,
>> load balanced) set up is not yet, unfortunately. I think that's what
>> you meant.
>
>
> If I can share some bits of experience, we have been removing integrated GWC
> since the start of the GS 2.1.x series because it can make GeoServer
> unstable
> in unpredictable ways, it's easier to trigger the misbehaviors with "direct
> gwc
> integration" enabled but eventually they happen anyways.
>
> We could not find a way to reproduce them, but when they happen we have
> seen high cpu load (but nobody asked for a seed) and/or OOM, eventually
> making GeoServer unresponsive.
> The times this happened we were supposed to be in pre-production already,
> too late in the game for an investigation, so we just removed it and put it
> external.
>
> Which is a pity, since the integrated one has a significant speed advantage
> when it comes to seeding
>
> Sorry I can't offer more specific details on how to make this happen, if I
> had
> a recipe I would have opened a bug report months ago :-(
okay, thanks for the insight. So can we say it happens('ed) with
direct wms integration enabled and while processing GetMap requests
that a) do match a tile, b) don't, c) both?
I'll try to reproduce with a long living jmeter run but it'd be good
to know which if the cases causes it.
TIA,
Gabriel
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