That patch sounds pretty important, can we commit it? On Sun, Apr 17, 2011 at 3:18 AM, Traian Stanev <[email protected]>wrote:
> > Not sure if that would help, but a patch I did a while back to fix > refcounting issues with the GDAL provider also included an optimization > about config file parsing which sped up opening of new GDAL connections by a > factor of 10 at least. > > The patch is attached to this ticket: > http://trac.osgeo.org/mapguide/ticket/462 called > gdal_nomutex_cachedschema.patch. > > It was a long time ago, but as far as I remember this optimization was key > in case one wants to enable pooling of GDAL connections. It also removed the > internal global mutex in the provider which made it work single-threaded > regardless of the setting in the MapGuide configuration. That patch requires > my addref patch attached to the same ticket. > > Traian > > > -----Original Message----- > From: [email protected] [mailto: > [email protected]] On Behalf Of Trevor Wekel > Sent: Friday, April 15, 2011 12:26 AM > To: MapGuide Users Mail List > Subject: RE: [mapguide-users] RE: Changing custom PoolSize for GDAL has no > effect > > Hi Gunter, > > Since only one raster feature source can be loaded at any given time, you > may up with some additional load overhead if your config.xml (raster > catalog) documents are fairly large. As far as I know, the config.xml > information will only remain cached for the lifetime of the connection to > the raster feature source. With 35 raster feature sources, it may be > getting parsed for every raster request. > > Regards, > Trevor > > > -----Original Message----- > From: [email protected] [mailto: > [email protected]] On Behalf Of Gunter Becker > Sent: April 13, 2011 2:05 PM > To: [email protected] > Subject: [mapguide-users] RE: Changing custom PoolSize for GDAL has no > effect > > Thanks Trevor, > > can I suppose that my configuration (35 raster featuresources, 50 > concurrent > user) could work with > the single-threaded GDAL Provider or does the provider means a bottleneck > for my application? > > The repository error: I will try final release as soon it is available and > if the error exists I will post it here. I supposed it has to do something > with the rasterprovider since I've not found any hint in logfiles on what's > going on. Even with full error report enabled. > > Funding the work on the GDAL Provider: I have to discuss this with my > company (personally I'd like to fund but it is not my decision) > > Thanks, Gunter > > -- > View this message in context: > http://osgeo-org.1803224.n2.nabble.com/Changing-custom-PoolSize-for-GDAL-has-no-effect-tp6268276p6270448.html > Sent from the MapGuide Users mailing list archive at Nabble.com. > _______________________________________________ > mapguide-users mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/mapguide-users > > _______________________________________________ > mapguide-users mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/mapguide-users > -- Zac Spitzer Solution Architect / Director Ennoble Consultancy Australia http://www.ennoble.com.au http://zacster.blogspot.com +61 405 847 168
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