Rsync: Re: patch to enable faster mirroring of large filesyst ems

[Keating, Tim]

Not sure, I am re-running this to ensure that I was not smoking crack at the
time :)

> -----Original Message-----
> From: Dave Dykstra [mailto:dwd at bell-labs.com]
> Sent: Thursday, November 29, 2001 1:12 PM
> To: Keating, Tim
> Cc: rsync at samba.org
> Subject: Re: Rsync: Re: patch to enable faster mirroring of large
> filesyst ems
> 
> 
> On Thu, Nov 29, 2001 at 12:59:00PM -0600, Keating, Tim wrote:
> > I was at first, but then removed it. The results were still 
> insufficiently
> > fast.
> > 
> > > Were you using the -c option of rsync?  It sounds like you 
> > > were and it's
> > > extremely slow.  I knew somebody who once went to 
> > > extraordinary lengths to
> > > avoid the overhead of -c, making a big patch to rsync to 
> > > cache checksums,
> > > when all he had to do was not use -c.
> 
> 23 minutes to check 3200 files is definitely unexpected.  
> What options did
> you end up using?  Normally rsync will only check the modification
> timestamps and the sizes of the files on both sides (that is, only a
> stat()) and if they match it will not do anything else.
> 
> - Dave Dykstra
>