[MS4W-Users] Mapcache crash apache restart issue

[Varun Saraf]

Hello Jeff. Thanks a lot. I will definitely get back to you regarding the
support package.

Coming back to the problem, I have retried the installation once again but
cannot seem to find a fix for the problem of mapcache.dll causing a fault.
Can it be something to do with the number of cached files? The mapcache's
cache folder currently contains over 3.5 mil files. Would shifting to a DB
based cache help? Or can it be an issue with the environment (one in which
the dll file was compiled and the one in which its being run currently)

Since the problem is being shown in the OS event viewer as a fault, I am
guessing it might be a system configuration issue. I will give this another
go on a machine with a different OS and see. In the mean time please let me
know if someone else has figured this out.


On Sun, Jul 10, 2016 at 7:50 PM, Stephen Woodbridge via MS4W-Users <
ms4w-users at lists.ms4w.com> wrote:

> On 7/10/2016 8:57 AM, Jeff McKenna via MS4W-Users wrote:
>
>> Hello Varun,
>>
>> I have setup a virtual machine (on Amazon) running your exact specs
>> (Server 2012, x64, with MS4W 3.1.4), and I also added another virtual
>> volume (E:/ drive) to mimic your situation.  I followed all of the steps
>> exactly to enable MapCache through the README
>> (http://ms4w.com/README_INSTALL.html#g-mapcache-apache-module).  I have
>> no problems generating the cache on an "E" drive.
>>
>> If your team needs professional support please contact me directly and
>> we can setup a support contract, as I am sure those 7 projects are very
>> important for your organization - and also you would be helping sustain
>> the solution (MS4W) that you are relying on.  Thank you for your support.
>>
>> -jeff
>>
>>
>>
> Jeff,
>
> I have not totally followed this whole thread, but I thought I should
> report that on a production linux box that I help support, we get random
> failures of mapcache that require an apache restart. I have not been able
> to identify this problem and put a temporary hack of a cronjob to restart
> apache periodically but we still have the problem just not as often.
>
> Running: Ubuntu 14.04.4 LTS
> libapache2-mod-mapcache:amd64/trusty 1.2.1-2 uptodate
> libmapcache1:amd64/trusty 1.2.1-2 uptodate
>
> So there may be an underlying mapcache issue that might not be related to
> MS4W.
>
> -Steve W
>
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