On 28 Feb 2012, at 21:30, Norbert Hartl wrote: > Am 28.02.2012 um 20:35 schrieb Sven Van Caekenberghe: > >> Norbert, >> >> On 28 Feb 2012, at 17:32, Norbert Hartl wrote: >> >>> I experience image corruption with big images. >> >> I am assuming you are using a normal image on a 32-bit Cog VM on Linux ? >> > yes > >> I am very interested in the practical limits on image size (not necessarily >> saving it). >> > Ah, I was just talking. The latest image grew to 280MB on disk. I just > experienced a corrupted image after a few days. I did a more or less clean > procedure by stopping all threads while saving. But sometime the image seems > to be not fully written on disk making it unloadable on next start. The only > limit that I tested is a maximum of threads of 1100 or 1400, can't remember > right now. The image is stuck then. But that's no problem to me. > >> What vm switches did you apply ? >> > -encoding latin1 -nodisplay -nosound -mmap 512m > >> I played a bit with some tests, and I could allocate about 1Gb in a 1.5GB >> heap VM. >> > I had only the save experience but there could be a huge amount of reasons > why it failed. My feeling is that my images are getting worse the longer they > run. But I have nothing real to base this assumption on. > >> What is your experience ? > > I'm sorry that's all. I just started to do deployments with pharo lately. I > was doing everything in gemstone until 2 month ago. > > Norbert
Thx for the reply. Some time ago, I tried this: http://forum.world.st/Big-Image-Tests-td4188045.html#a4188548 Sven