Thanks for the info. Firebug does seem to make a big difference. Without it on Firefox uses much less memory, but still much more than IE6. What you say about decompressed images would explain this part of the problem. I guess it's just something I have to deal with!
Thanks, Jon Paul Spencer-5 wrote: > > 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 > > -- View this message in context: http://www.nabble.com/Firefox-memory-usage-tp15160377p15182888.html Sent from the OpenLayers Users mailing list archive at Nabble.com. _______________________________________________ Users mailing list [email protected] http://openlayers.org/mailman/listinfo/users
