Professional grade rsync?

Eric Whiting ewhiting at
Fri May 28 19:28:25 GMT 2004

I do a daily sync to about 20 locations of 2.4 million files. I think rsync is
very much 'professional' grade. I have done this sync of 2.4 million files both
as a single rsync of the tree as well as splitting the tree up in to multiple
rsyncs. (essentially a 'for dir in ls;do rsync $dir dest:blaa;done)

Watch your memory usage on both sides of the rsync. How much RAM is rsync using?
How much RAM on both the src and dest box? You might also consider 2.6.2 -- this
has some improvements in memory usage and speed.


"King, Daniel" wrote:
> Hi, folks.
> We've gone where no man has gone before.  On HP-UX, rsync bombs at about
> 1.75 million directories, files and links (combined sum) in a single
> transfer.
> Is there a professional-grade alternative on HP-UX for folks willing to pay
> for it?  It wouldn't even need to be network-aware, just from single-system
> areas to the same box, but with the nifty delete and update features that
> rsync has.  My searches turn up unison and some other tools (BSD mirror,
> etc.), but rsync has beaten any other open-source solution hands down on the
> scalability side of things.  Now, we need more ...
> Thanks,
> A. Daniel King, System Analyst
> HP-UX, Linux, Solaris
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