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Page Ins and Outs
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Fresh-Faced Recruit
Join Date: Oct 2003
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I have a 1ghz 12" PB wiith 768 total RAM. After rebooting earler today and then opening FCP4 for an hour my page ins and outs are as follows: 78952 in/ 72405 out. FCP is using a Hitachi 7k250 160GB scratch disk via FW. The PB internal PB drive is the stock 4200rpm Toshiba 40gb, which has 15gb free. Before rebooting I had over 350,000 page outs. I ran Diskwarrior today, but am still accumating this many page outs. FCP does bog the system down and I am really curious as to how things would fare with 1.25gb RAM (though I don't feel like shelling out $300+ for another stick at this time.) I have read that many have 0 page outs on their systems over a 2 week period or longer. How much is using virtual memory slowing my system down? Thanks.
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Forum Regular
Join Date: Apr 2001
Location: Boston, Ma
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I was getting a bunch of page outs and decided to get rid of USB Overdrive and Shapeshifter/APE as niether was really necessary for me. and all is well now. Basically i would look at what background/startup apps you have running that may be causing it.
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Professional Poster
Join Date: Sep 1999
Location: Ottawa, ON, Canada
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Page Ins and Outs happen when you run out of RAM - so yes, more RAM will help. But unless you notice the disk chugging away doing operations, it's not slowing your machine down that much.
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Forum Regular
Join Date: Aug 2002
Location: Atlanta, GA, USA
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Page ins are okay to have, since applications have to be "paged in" when pieces are loaded into ram--that's normal.
Page out's aren't quite as good. This usually indicates that a request for memory was made without any free memory being available--so the memory manager decided to "page out" some inactive pages of memory to make some room for the new memory request.
Usually, a few page outs aren't anything to worry about and just indicates you're getting full use of that memory you bought--but lots (and I think you have lots in this case) means you should get some extra ram and should see a much smoother operation.
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Fresh-Faced Recruit
Join Date: Oct 2003
Status:
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I understand what page outs are. Thanks for the explanation, though. I am at 135,000 now and have not been using FCP since the last count. I really thought 768mb RAM would be able to handle most tasks without dumping on the HD.
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Mac Enthusiast
Join Date: Dec 1999
Location: Italy
Status:
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maybe you have a memory leak in a programme. Have you tried seeing in terminal which programmes are using up all of your memory?
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iMac DVSE 400 640mb + AL PB 15" with 1 gig + iMac 2,8 with 4gb + MacBook Pro 2,53 with 4gb
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Mac Elite
Join Date: May 2001
Location: Up north
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Originally posted by Mike Pither:
maybe you have a memory leak in a programme. Have you tried seeing in terminal which programmes are using up all of your memory?
it's 'top -u' in the terminal (the u sorts them by usage)
if you don't feel like that, under panther, you can open the activity monitor in /Applications/Utilities
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