Re: [rdiff-backup-users] rdiff-backup performance stats.

[Steve Clement]

Jim C. Nasby wrote:

>What's rsync give you?
>  
>
I won't rsync them 33Gb again :) but here goes with my home dir over USB2:
rdiff-backup is 7 minutes faster than rsync which is good.
I attached the re-sync of this morning too.


rdiff-backup -v5 --print-statistics  /home/steve /home/bup/home-steve-rdiff/

--------------[ Session statistics ]--------------
StartTime 1148207387.00 (Sun May 21 12:29:47 2006)
EndTime 1148208222.06 (Sun May 21 12:43:42 2006)
ElapsedTime 835.06 (13 minutes 55.06 seconds)
SourceFiles 33541
SourceFileSize 9369989498 (8.73 GB)
MirrorFiles 1
MirrorFileSize 0 (0 bytes)
NewFiles 33540
NewFileSize 9369989498 (8.73 GB)
DeletedFiles 0
DeletedFileSize 0 (0 bytes)
ChangedFiles 1
ChangedSourceSize 0 (0 bytes)
ChangedMirrorSize 0 (0 bytes)
IncrementFiles 0
IncrementFileSize 0 (0 bytes)
TotalDestinationSizeChange 9369989498 (8.73 GB)
Errors 0

rsync:
address@hidden ~ $ date > start ; rsync -a -vv -z --stats --progress
/home/steve /home/bup/home-steve-rsync ; date > stop
address@hidden ~ $ cat start
Tue May 23 22:00:29 CEST 2006
address@hidden ~ $ cat stop
Tue May 23 22:20:07 CEST 2006


total: matches=0  tag_hits=0  false_alarms=0 data=9395970440

rsync[6589] (server receiver) heap statistics:
  arena:        4206592   (bytes from sbrk)

rsync[6587] (sender) heap statistics:
  arena:        4190208   (bytes from sbrk)
  ordblks:            4   (chunks not in use)
  smblks:             2
  hblks:              1   (chunks from mmap)
  hblkhd:        258048   (bytes from mmap)
  usmblks:            0
  fsmblks:           80
  uordblks:     4046744   (bytes used)
  fordblks:      143464   (bytes free)
  keepcost:      134168   (bytes in releasable chunk)

Number of files: 33752
Number of files transferred: 28912
Total file size: 9394160875 bytes
Total transferred file size: 9394157048 bytes
Literal data: 9395970440 bytes
Matched data: 0 bytes
File list size: 785619
Total bytes written: 4985930543
Total bytes read: 578260

wrote 4985930543 bytes  read 578260 bytes  4231233.60 bytes/sec
total size is 9394160875  speedup is 1.88

And on a re-sync:

rdiff-backup:

--------------[ Session statistics ]--------------
StartTime 1148457402.00 (Wed May 24 09:56:42 2006)
EndTime 1148457453.51 (Wed May 24 09:57:33 2006)
ElapsedTime 51.51 (51.51 seconds)
SourceFiles 33757
SourceFileSize 9396422264 (8.75 GB)
MirrorFiles 33541
MirrorFileSize 9369989498 (8.73 GB)
NewFiles 216
NewFileSize 18760671 (17.9 MB)
DeletedFiles 0
DeletedFileSize 0 (0 bytes)
ChangedFiles 196
ChangedSourceSize 74415392 (71.0 MB)
ChangedMirrorSize 66743297 (63.7 MB)
IncrementFiles 412
IncrementFileSize 418518 (409 KB)
TotalDestinationSizeChange 26851284 (25.6 MB)
Errors 0
--------------------------------------------------


rsync:

total: matches=0  tag_hits=0  false_alarms=0 data=67510084

rsync[8086] (server receiver) heap statistics:
  arena:        4206592   (bytes from sbrk)

rsync[8084] (sender) heap statistics:
  arena:        4190208   (bytes from sbrk)
  ordblks:            4   (chunks not in use)
  smblks:             5
  hblks:              1   (chunks from mmap)
  hblkhd:        258048   (bytes from mmap)
  usmblks:            0
  fsmblks:          200
  uordblks:     4047144   (bytes used)
  fordblks:      143064   (bytes free)
  keepcost:      133304   (bytes in releasable chunk)

Number of files: 33757
Number of files transferred: 119
Total file size: 9396426091 bytes
Total transferred file size: 67510084 bytes
Literal data: 67510084 bytes
Matched data: 0 bytes
File list size: 785742
Total bytes written: 12119290
Total bytes read: 2400

wrote 12119290 bytes  read 2400 bytes  897902.96 bytes/sec
total size is 9396426091  speedup is 775.17

address@hidden ~ $ cat start stop
Wed May 24 09:57:44 CEST 2006
Wed May 24 09:57:57 CEST 2006


-- 
ION Network Solutions
Steve Clement
Unix System Administrator
209, rue des Romains
L-8041 Bertrange
Tel: +352 261 276-2
Fax: +352 261 276-9
mailto:address@hidden
http://www.ion.lu

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