Rsync Performance In Windows
cgmckeever at prupref.com
Tue Jun 17 08:29:26 EST 2003
Thanks for your reply!
> -----Original Message-----
> From: Greger Cronquist [mailto:greger_cronquist at yahoo.se]
> Sent: Monday, June 16, 2003 2:42 PM
> To: _Chris McKeever_
> Cc: rsync at lists.samba.org
> Subject: Re: Rsync Performance In Windows
> Did you compile from the sources, or did you grab the cygwin binary?
I just did the standard install (which I dont think was a full source
> I suggest you build it from the sources and apply the
> patch which is in the patches directory in the 2.5.6
> distribution. This
> patch makes all the difference for Windows (system calls cost a lot
> under cygwin).
as I said, I am not running cygwin on that machine, only rsync which I
copied from the other cygwin install. Do you suggest that I run cygwin on
the windows box that I am using rsync?
> If you don't want to compile it yourself, I have an older version
> (2.5.6cvs from august last year, works nicely) available at
> _Chris McKeever_ wrote:
> >Has anyone else experienced high CPU usage when using RSYNC
> in windows 2000
> >server? I am using the rsync.exe (and applicable DLL's)
> from the cygwin
> >installation (I am not however running cygwin on this machine).
> >The linux machine connecting to the windows rsync daemon has
> a very low
> >performance hit when the session is running (see below).
> However, the
> >windows machine, which has a much faster CPU hits a CPU
> usage of 100%.
> >If anyone else has seen this, and/or can help alleviate the
> issue, that
> >would be great. I am using rsync to backup across our
> network our branch
> >file servers.
> >CPU states: 1.5% user, 3.1% system, 0.0% nice, 95.2% idle
> >Mem: 126636K av, 124008K used, 2628K free, 0K
> shrd, 26580K
> >Swap: 1020560K av, 7360K used, 1013200K free
> > PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
> >18600 root 15 0 7544 7544 704 R 3.1 5.9 0:05 rsync
> >18644 root 15 0 1040 1040 832 R 1.1 0.8 0:02 top
> >18557 root 15 0 1740 1680 1428 S 0.1 1.3 0:00 sshd
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