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Top Forums UNIX for Dummies Questions & Answers trying to make sense of rsync output... Post 302324677 by GKnight on Thursday 11th of June 2009 10:52:18 AM

06-11-2009

Registered User

trying to make sense of rsync output...

I'm running the following rsync command to sync a directory between the 2 servers:

Code:

rsync -az --delete --stats /some_dir/ server_name:/some_dir

I'm getting the following output:

Code:

Number of files: 655174
Number of files transferred: 14221
Total file size: 1138531979331 bytes
Total transferred file size: 34268450432 bytes
Literal data: 34268393973 bytes
Matched data: 858 bytes
File list size: 40480982
File list generation time: 73.776 seconds
File list transfer time: 0.000 seconds
Total bytes sent: 22761328925
Total bytes received: 334668

sent 22761328925 bytes  received 334668 bytes  1153862.25 bytes/sec
total size is 1138531979331  speedup is 50.02

I'm not quite sure how much data was actually transferred. It is the "Total bytes sent"? Then what is "Total transferred file size"? How mush data was actually copied between the servers? Just by common sense, I'm guessing "Total bytes sent" is what was transferred, and it's smaller because of the compression. Am I correct, or am I looking at the wrong numbers?

Also it would be nice if rsync reported how much time it took, is there another switch to get that info?

GKnight

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librsync

librsync(3)						     Library Functions Manual						       librsync(3)

NAME

       librsync - library for delta compression of streams

SYNOPSYS

	#include <stdio.h>
	#include <stdlib.h>
	#include <librsync.h>

	cc ... -lrsync

DESCRIPTION

       The  librsync library implements network delta-compression of streams and files.  The algorithm is similar to that used in the rsync(1) and
       xdelta(2) programs, but specialized for transfer of arbitrary-length octet streams.  Unlike most diff programs, librsync does  not  require
       access to both of the files on the same machine, but rather only a short ``signature'' of the old file and the complete contents of the new
       file.

       The canonical use of librsync is in the rproxy(8) reference implementation of the rsync proposed extension to HTTP.  It may  be	useful	to
       other  programs which wish to do delta-compression in HTTP, or within their own protocol.  There are HTTP-specific utility functions within
       librsync, but they need not be used.

       A number of tools such as rdiff(1) provide command-line and scriptable access to rsync functions.

SEE ALSO

       rdiff(1)

       rdiff and librsync Manual

       http://rproxy.sourceforge.net/.

       draft-pool-rsync

BUGS

       The rsync protocol is still evolving.  There may be bugs in the implementation.	The interface may change in the future, but it is becoming
       more stable.

       Many  routines  will panic in case of error rather than returning an error code to the caller.  Patches to fix this are welcome, but at the
       current state of development aborting seems as useful as trusting to possibly-incomplete checking in the client.

AUTHOR

       Martin Pool <mbp@samba.org>, with Andrew Tridgell <tridge@samba.org>.

       rdiff development has been supported by Linuxcare, Inc and VA Linux Systems.

Martin Pool						   $Date: 2003/06/12 06:03:32 $ 					       librsync(3)

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