Package: unison
Version: 2.27.57-1+b1
Severity: normal

  I'm using unison to sync some directories that contain large files.
I rarely change files; mostly they just get added and deleted. (think
video podcasts)

  When one replica is empty and unison is "looking for changes", it
takes a very long time for unison to process each file, there's a lot
of disk activity, and iotop shows unison reading 30MB/s.  I think it
must be reading the entire file in to compare it to the one on the
other side.  But there isn't anything on the other side!  If unison
checked for presence before checking contents, it would be a lot faster
in my use case (it will still have to read some of the files, of course,
but deferring that would mean I could quickly do the interactive step
of setting up the sync, then go off and do something else while it
transfers the files to the device).

  Daniel

-- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 2.6.26-1-686 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages unison depends on:
ii  libc6                         2.7-13     GNU C Library: Shared libraries

Versions of packages unison recommends:
ii  openssh-client [ssh-client]   1:5.1p1-2  secure shell client, an rlogin/rsh

unison suggests no packages.

-- no debconf information



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