rsync over ssh hang issue understood

[Steven Hartland]

----- Original Message ----- 
From: "Corinna Vinschen" <corinna-cygwin@cygwin.com>

> Damn (sorry).
> 
> It works fine for me with the latest snapshot.  I tried Peter's example
> with 1000 files and rsync over ssh works like a charm for me.  Sigh.
> 
> This is really a tricky problem.  What I could do to circumvent this at
> least for connections over ssh is to upload an OpenSSH test version
> which uses socketpairs instead of pipes for the local connection to the
> applications.  This avoids using pipes which are the culprit here,
> apparently.    I would mark it as experimental version, but actually the
> only difference would be that it would be a few per cent slower than the
> version using pipes.  And that it probably doesn't hang.
> 
> Is there interest in such a version?

Yes I'd be very interested in testing this as its not only
rsync that suffers from this problem, other standard ssh
operations have been known to hang as well here.

It is the single biggest blocker on smooth cygwin operation
here and if its slightly slower that's a small price to pay
for correct operation.

    Steve


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