I have to come back again to the thread from earlier this year about the likely El Capitan PDFKit Memory leak.
It seems that something has changed from the previously reported behavior, it now seems that some memory is given back to the system, but still not all. I had 30 pdfs open and it said it was using 23 GB of RAM (total memory). Upon closing 8 of them it went down to 20 GB. After closing Skim and restoring the session these 22 now newly opened pdfs only needed about 2 GB. But after keeping Skim open for a while, reading through pdfs, annotating etc. it slowly kept growing again, now it's back to 7 GB, roughly 24 hours later. Shouldn't it give back memory automatically even when not closing pdfs? I'm afraid, I now far too little about how this works or should work, so maybe it's just that I open too many pdfs or that my pdfs are too big. But I'm wondering if others can also still report odd behavior, and if there might still be something wrong with PDFKit? Did Apple ever respond to any of the bug reports? PS: Same behavior in Preview. On Tue, Jan 5, 2016 at 4:44 PM, Christiaan Hofman <[email protected]> wrote: > > On Dec 20, 2015, at 23:18, José Miguel Figueroa-O'Farrill < > [email protected]> wrote: > > Hi, > > I’m running Skim Version 1.4.16 (90) on Mac OS X Version 10.11.2 (15C50). > > I wonder whether anyone else has seen this behaviour: Skim is using a huge > amount of RAM. According to Activity Monitor, Skim is using > > Skim | 13.42 GB | 7.49 GB | 11 | 283 > > in the notation > > App | Memory | Compressed Memory | Threads | Ports > > In fact, the system ran out of application memory yesterday and I think it > was due to Skim. (It was one of two apps which were not responding.) > > I’ve gone back to 1.4.15 (89) for now. > > Cheers, > José > > > BTW, it does seem like more people are seeing this. Moreover, it is also > seen in Preview. That means, as I would expect if it’s really there, that > it’s a bug in PDFKit in ElCap (one of many serious bugs, unfortunately). > I’ve reported this to Apple, but given how (non) responsive they are on the > even more obvious and visible (and simpler to fix!) bugs, I don’t expect > them to fix this before 10.12. > > Christiaan > >
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