It varies from 750Mbyte to 1.1 Gig and then settles back down to around 200 Mbyte when the image is rendered. I noticed in the Activity monitor that memory for Preview jumps from around 200 MB to as much as 1.1 Gig when I click on a page. The performance was essentially the same. I had a 84 page 40Mbyte doc with notes in it and I also opened a 2.2 Mbyte pdf that was five pages and no notes. I brought the activity monitor up and closed applications until there was 1 Gig of headroom in memory, all green. I have a Full gig of headroom in memory with 8 Gig capacity. Takes a few seconds to scroll sometime longer. I have a slow Adobe Reader and a slow Preview Reader. Re: Annoying slowness of Preview after Yosemite upgrade in response to VikingOSX Papasailor2:00 PM Re: Annoying slowness of Preview after Yosemite upgrade
Here is some data from my post on 3/16/15 If you do this, make sure you have a way to go back (reinstalling Yosemite would be one way). It's only been a short while and there's always the chance that this will break something else that I haven't found yet. This should be version 2.9.2 in Mavericks.Į) Replace the file in folder (b) with the Mavericks version (d) This is version 3.1 in Yosemite.ĭ) In the same folder on a Mavericks system, make a copy of the amework file. Here's how:ī) Go to /System/Library/Frameworks/amework/Versions/A/FrameworksĬ) Copy amework to somewhere else on your computer for safe keeping in case you need to replace it. Replace PDFkit framework with the one from Mavericks. It seems to work better speed-wise, but of course, it's interface and functionality leave a lot to be desired.Ģ) (***Not for the faint of heart***). None of the the other solutions posted on this and similar threads worked for me.ġ) Use Adobe Acrobat Reader instead. I finally upgraded to Yosemite a few days ago and have the same problem with bigger PDF files.
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