[mapguide-users] MGOS2.0.1 & Raster Files Performanc

[Dave Wilson]

If the application pool is crashing you might look into the following. It's not a fix, but it might reduce the pain somewhat:

http://support.microsoft.com/kb/911816

Dave

-----Original Message-----
From: mapguide-users-bounces at lists.osgeo.org [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of isca
Sent: Thursday, June 05, 2008 12:07 PM
To: mapguide-users at lists.osgeo.org
Subject: RE: [mapguide-users] MGOS2.0.1 & Raster Files Performanc


Until now I did not succeed to get a stable Mapguide in combination with
raster files (not with MrSID and not with tiff files). So my impression is
that it happens with almost all raster files, although it can depend on the
content of course.

 I want to remark the problem occurred also in previous MapGuide releases.
Although the behaviour seems to be different (in previous versions the
Mapguide service regularly crashed, now the Application Pool seems to crash
more often ...)



Martin Morrison wrote:
>
> The problems do occur with some (not all) tiff files.
>
> Martin
>
>
>
> -----Original Message-----
> From: mapguide-users-bounces at lists.osgeo.org
> [mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Frank
> Warmerdam
> Sent: Thursday, June 05, 2008 12:59 PM
> To: MapGuide Users Mail List
> Subject: Re: [mapguide-users] MGOS2.0.1 & Raster Files Performanc
>
> G.E.O.-Consulting / Hans Mörschell wrote:
>> Hi,
>>
>> We experience the same problems using MGOS2.0.1 with IIS on MS Server
>> 2003
>> and MS Server 2008 and an ASP application (FDO Provider). We use Tiff and
>> MrSID files of different sizes and resolutions but the errors are always
>> the
>> same as described (cannot stylize layer, out of memory, no more
>> connections
>> and so on).
>>
>> We now have some kind of "monitor" application and restart the mgserver
>> process if necessary, but this is not a really good solution because
>> throwing the error "no more connections..." the mgserver process does not
>> crash rather "refuses" to render the images.
>>
>> Furthermore restarting mgserver resulting in loss of session data is
>> really
>> annoying so we are looking now for some workaround, does anybody have any
>> idea what can be done ?
>>
>> Possible ideas might be:
>>
>>  - using an external image server, is there any ?
>>  - recovering sessions, is there any possibility ?
>>  - ???
>
> Folks,
>
> I think the best might be to lock me, a mapguide developer with good
> debugging skills, and perhaps someone who can demonstrate the problem in
> a room for a day or two.   I don't have the mapguide skills to debug this
> in the mapguide context, and things seem to work fine with the FDO
> unit tests.  If there is a mapguide developer in the
> Ottawa/Montreal/Toronto
> region that could spare a day or two for this work I would be willing to
> visit.
>
> I have stopped reviewing the various raster related emails on this list
> very
> closely since a lot of problems seem to be related to deploying the mrsid
> plugin or related to missing/extra slashes in paths.  But if folks are
> having the discussed problems with tiff files then the problem is pretty
> core.
>
> Best regards,
> --
> ---------------------------------------+--------------------------------------
> I set the clouds in motion - turn up   | Frank Warmerdam,
> warmerdam at pobox.com
> light and sound - activate the windows | http://pobox.com/~warmerdam
> and watch the world go round - Rush    | President OSGeo, http://osgeo.org
>
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>
>

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