Re: proposal to speed rsync with lots of files

2009-03-11 Thread Mag Gam
Using inotify with rsync is a great idea. If one has a job that runs daily to get differences on a very large filesytem with very small files, then can do this (assuming the initial copy is already completed): inotify watch source filesystem (or tree) take down all the notices in a txt file (absol

Re: proposal to speed rsync with lots of files

2009-03-09 Thread Fabian Cenedese
At 07:58 06.03.2009 -0800, Wayne Davison wrote: >On Thu, Mar 05, 2009 at 03:27:50PM -0800, Peter Salameh wrote: >> My proposal is to first send a checksum of the file list for each >> directory. If is found to be identical to the same checksum on the >> remote side then the list need not be sent f

Re: proposal to speed rsync with lots of files

2009-03-06 Thread Wayne Davison
On Thu, Mar 05, 2009 at 03:27:50PM -0800, Peter Salameh wrote: > My proposal is to first send a checksum of the file list for each > directory. If is found to be identical to the same checksum on the > remote side then the list need not be sent for that directory! My rZync source does something l

Re: proposal to speed rsync with lots of files

2009-03-05 Thread lewis butler
On 5-Mar-2009, at 16:27, Peter Salameh wrote: One of the speed-limiting issues with rsync is having to send huge file lists when mirroring large file systems, even for incremental updates where only a small part of the file system might have changed. My proposal is to first send a checksum

Re: proposal to speed rsync with lots of files

2009-03-05 Thread Jamie Lokier
Peter Salameh wrote: > My > proposal is to first send a checksum of the file list for each > directory. If is found to be identical to the same checksum on the > remote side then the list need not be sent for that directory! ... > It might even be possible to use the rsync checksum algorithm on

Re: proposal to speed rsync with lots of files

2009-03-05 Thread Jamie Lokier
Kyle Lanclos wrote: > Peter Salameh wrote: > > One of the speed-limiting issues with rsync is having to send huge file > > lists when mirroring large file systems, even for incremental updates > > where only a small part of the file system might have changed. > > Personally, I find that the send

Re: proposal to speed rsync with lots of files

2009-03-05 Thread Peter Salameh
Kyle Lanclos wrote: Peter Salameh wrote: One of the speed-limiting issues with rsync is having to send huge file lists when mirroring large file systems, even for incremental updates where only a small part of the file system might have changed. Personally, I find that the sending of

Re: proposal to speed rsync with lots of files

2009-03-05 Thread Kyle Lanclos
Peter Salameh wrote: > One of the speed-limiting issues with rsync is having to send huge file > lists when mirroring large file systems, even for incremental updates > where only a small part of the file system might have changed. Personally, I find that the sending of the file list, whether in

proposal to speed rsync with lots of files

2009-03-05 Thread Peter Salameh
Hello, I have followed the discussion of speeding up rsync when there are lots of files, and I have a proposal which I think would greatly speed rsync when doing routine mirroring of large filesystems. One of the speed-limiting issues with rsync is having to send huge file lists when mirrori