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[Bug 287742] [NEW] Extremely poor system performance during large file operations


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Running Intrepid Ibex 8.10 64-bit, I get extremely poor system
performance whenever a large file operations are taking place.  Examples
are copying multiple gigs of files, moving multiple gigs of files, or
unzipping very large archives.  Firefox becomes unresponsive and/or dims
every other minute, the package manager takes 3-4 times as long to
install a new package, and so forth.  I'm using Nautilus to copy the
files, but I believe I tried a simple 'cp' in the terminal with similar

I have a pretty beefy system (C2D, 4 gigs of RAM, hard drive with 32mb
cache) and this problem doesn't occur in Vista, so I'm stumped.

System monitor looks pretty normal even while usability is going into
the toilet.  Not much RAM or CPU used, no significant paging going on.

** Affects: linux (Ubuntu)
     Importance: Medium
         Status: Incomplete

Extremely poor system performance during large file operations
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