Opps, that's not 260 MB ... only about 26. Cheers,
Paul On 29-Jan-08, at 8:03 PM, Paul Spencer wrote: > The other issue for firefox 2 is that it decompresses all the tiles > and stores them as decompressed RGBA images in memory. For a > 256x256 pixel tile at 4 bytes per pixel, this works out to 260k per > tile - regardless of the original format. Depending on the size of > your viewport and taking into consideration the buffer of tiles that > OL keeps outside the viewport, it is easy to have more than 100 > tiles in three layers, that's 260 MB of memory, just in tiles. This > is one of the big issues fixed in firefox 3. The same OL app > running in firefox 3 only uses about 70-80 MB. > > Cheers > > Paul > > On 29-Jan-08, at 2:32 PM, cmose wrote: > >> >> I believe part of it is firebugs network monitoring feature. In my >> specific >> case I have multiple dns entries for my tilecache server so the >> browser is >> firing off a significant number of requests. Having firebug monitor >> these >> requests was consuming a bunch of memory and slowing things down a >> good >> deal. >> >> >> Jon Britton wrote: >>> >>> >>> Ah.. yes I do. I'll turn it off tomorrow when I get a chance and >>> see if it >>> makes a difference. I wonder why that would do it... there must be >>> a bug >>> somewhere with it. >>> Thanks, >>> jon >>> >>> >>> cmose wrote: >>>> >>>> Do you have firebug enabled? Firefox consumes massive amounts of >>>> memory >>>> when I'm running my client with firebug enabled... >>>> >>>> >>>> Jon Britton wrote: >>>>> >>>>> Hi, >>>>> I'm using Firefox to display a map serverd by GeoServer with >>>>> only three >>>>> layers being displayed (Google, roads, points). In Internet >>>>> Explorer 6 >>>>> the memory usage sticks to around 60MB, however Firefox just keeps >>>>> eating up memory and lags my machine! At the moment I'm running >>>>> it and >>>>> it's hit 350MB memory usage. It's as if it's cachine the images >>>>> itself >>>>> or something. >>>>> >>>>> Has anybody else had a problem with this? >>>>> >>>>> Thanks, >>>>> Jon >>>>> >>>> >>>> >>> >>> >> >> -- >> View this message in context: >> http://www.nabble.com/Firefox-memory-usage-tp15160377p15167555.html >> Sent from the OpenLayers Users mailing list archive at Nabble.com. >> >> _______________________________________________ >> Users mailing list >> [email protected] >> http://openlayers.org/mailman/listinfo/users > _______________________________________________ Users mailing list [email protected] http://openlayers.org/mailman/listinfo/users
