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bug#16309: cp is a cpu hog

From: U.Mutlu
Subject: bug#16309: cp is a cpu hog
Date: Tue, 31 Dec 2013 08:37:35 +0100
User-agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:20.0) Gecko/20100101 Firefox/20.0 SeaMonkey/2.17.1

there is a big bug with the cp command: it eats all cpu resources,
the system is not responsive while copying a huge file,
say a file of size 10 GB.

There are other _desasterous_ consequences of this behaviour,
if interessted I can tell you.

OS: Debian, 64bit, latest, happens also on other distros like Ubuntu,
see for example these links:


I suggest you just place a nanosleep(a_small_value)
in the loop that does the copy operation.
From my experience in simular situations this helps much.

Best regards & Happy New Year

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