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Old 12th April 2008, 02:25 PM
mcgd Offline
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Join Date: Jun 2007
Posts: 51
Paging performance very slow


I'm running F7 with all the updates on an Intel Core Duo 64-bit system, and for a long time have noticed that the system seems to be very, very slow when paging in memory.

The prime example is when running VMWare. I have 4GB of RAM, and VMWare is allocated 1GB. When starting VMWare, it can take several minutes to get this memory - even when there seems to be memory free. Watching the VMWare process on top shows its resident size growing at around 1MB/sec. The disks themselves can do 80MB/sec. Strangely, there seems to be a fair bit of disk activity, even though the size is growning so slowly.

This is not a VMWare-specific problem - other programs also seem to page in VERY slowly when swapped out.

Is this something that happens to other people? Any thoughts on why this is and how to fix it would be much appreciated. It really slows some things down to a crawl.
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