[CentOS] slugishness
Robert Heller
heller at deepsoft.com
Fri Jul 3 13:37:16 UTC 2009
At Fri, 03 Jul 2009 08:30:43 -0400 CentOS mailing list <centos at centos.org> wrote:
>
> Hi all,
>
> I have a 3G AM2 quad core CPU... x86_64 centos 5.3
>
>
> When I am doing backing up to my external USB drive
> my system becomes sluggish. Clicking on a thunderbird compose
> takes some time to pop up the window. Typeing doesnt keep up etc...
>
> Is there something I can change so this backup doesnt slow my system
> down so much? I dont see HOW it can be taking so much CPU.
> top at times shows 0 idle or 11% idle from a USB backup.
>
> Thanks for any suggestions.
Define 'backing up to my external USB drive':
Are you:
1) Using dump, tar, cpio, or cp?
2) Are you compressing the backup? With gzip or bzip?
3) Are you using zip?
If you are using bzip, bzip is a cpu hog.
How much memory do you have?
What kind of disks do you have? IDE? SATA? If SATA, is the controller
in AHCI mode or IDE mode?
>
> Jerry
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--
Robert Heller -- 978-544-6933
Deepwoods Software -- Download the Model Railroad System
http://www.deepsoft.com/ -- Binaries for Linux and MS-Windows
heller at deepsoft.com -- http://www.deepsoft.com/ModelRailroadSystem/
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