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Re: Copy Times for Remote Copy


From: Adrian Phillips
Subject: Re: Copy Times for Remote Copy
Date: Fri, 30 Jan 2004 12:46:28 +0100
User-agent: Gnus/5.090016 (Oort Gnus v0.16) Emacs/21.2 (gnu/linux)

>>>>> "Andrew" == Andrew Greenwood <address@hidden> writes:

    Andrew> Hi, I am writing to inquire on what speed should be
    Andrew> obtained with a copy: from a network cfservd server. The 2
    Andrew> systems are on a 100MB backbone. I am copying approx 250MB
    Andrew> (27185 files) and it is taking +22minutes. I am using the
    Andrew> purge feature as I would like to keep an exact mirror of
    Andrew> these filesystems.. However this is only a fraction of
    Andrew> what needs to be synced and the whole lot 1.4GB is taking
    Andrew> nearly 3 hours to complete which is unacceptable in our
    Andrew> case. Also the time to copy doesn't seem to go down after
    Andrew> the initial sync.. Is this because I am using purge? Does
    Andrew> cfengine store a database of ctimes and only sync what has
    Andrew> changed or does it just start over again each run?

    Andrew> I am running Cfengine 2.0.6

Check the archives for discussions on copy's slowness and IIRC
improvments in later releases.

Sincerely,

Adrian Phillips

-- 
Who really wrote the works of William Shakespeare ?
http://www.pbs.org/wgbh/pages/frontline/shakespeare/




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