[PLUG] Rsyncd And Performance

[jason justman]

one suggestion might be to use lvm snapshots and rsyncing from the 
snapshot directory.

http://tldp.org/HOWTO/LVM-HOWTO/snapshots_backup.html

j


Jason Van Cleve wrote:
> Hail!
>
> We're doing a large rsync operation and need to use the checksum mode,
> because files' dates are often changing, but not their contents.  I believe
> we're just using the rsh-type interface, and it's taking longtemps.  Can
> anyone tell me whether running rsync in deamon mode on one end would speed
> things up at all?
>
> My theory is that the rsh-mode operation needs to read each file from the
> remote machine in order to compare it locally.  If rsyncd could checksum the
> files remotely in parallel with the local rsync command, then it should mean
> a lot less network I/O.
>
> But enquiring minds want to know:  is that how rsyncd actually works?
>
> --Jason Van Cleve
> _______________________________________________
> PLUG mailing list
> PLUG at lists.pdxlinux.org
> http://lists.pdxlinux.org/mailman/listinfo/plug
>