Re: Getting rsync to store timing information in its logs

2010-07-28 Thread Paul Slootman
On Tue 27 Jul 2010, Rahul Nabar wrote:
 
 The only timing info,. I see is this at the end:
 
 sent 3067328 bytes  received 7853035429 bytes  1187888.83 bytes/sec

 Also, the bytes/sec figure has me confused. It seems to convert to
 about 1.13 GB/sec. But I know that my ethernet connection is only at 1

You're off by 1000. It's 1.19MB/s (1.13MiB/s).
Check your calculator :-)


Paul
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Re: Getting rsync to store timing information in its logs

2010-07-28 Thread Rahul Nabar
On Wed, Jul 28, 2010 at 3:31 AM, Paul Slootman paul+rs...@wurtel.net wrote:
 You're off by 1000. It's 1.19MB/s (1.13MiB/s).
 Check your calculator :-)

Ok, I'm signing up for math101 again. :) Sorry!

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Re: Getting rsync to store timing information in its logs

2010-07-27 Thread Elliot Wilen
Rahul,

My method, which may be primitive, is to call date immediately before and 
after running. Something like:

20 22 * * * date  /var/log/mysync.log; rsync -av foo bar  
/var/log/mysync.log; date  /var/log/mysync.log

Sorry, can't help with the bandwidth question.

Regards,

Elliot Wilen

On Jul 27, 2010, at 4:06 PM, Rahul Nabar wrote:

 Is there a way to know from the rsync logs how long it took to do a backup?
 
 The only timing info,. I see is this at the end:
 
 sent 3067328 bytes  received 7853035429 bytes  1187888.83 bytes/sec
 total size is 1559866450336  speedup is 198.55
 
 Can I use it to figure out how long the operation took?
 
 Does the above mean it took 2.5 secs of send time and 1.8 hours of
 recieve time so (roughly) the operation lasted around 110 minutes? Or
 is this a bad way of estimation.
 
 I know from my cron job as to when it started but I want some way of
 knowing how long it was running.
 
 20 22 * * * rsync -av --exclude='*txt.slave*' --delete
 r...@polaris::polhome /polhome/   /var/log/rsync/rsync.log
 
 Also, the bytes/sec figure has me confused. It seems to convert to
 about 1.13 GB/sec. But I know that my ethernet connection is only at 1
 Gbps maximum. How is the bytes/sec figure computed then?
 
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 Rahul
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Elliot Wilen
Network Administrator/Postmaster
MPR Associates, Inc.
2150 Shattuck Ave., Suite 800
Berkeley, CA 94704
Phone: (510) 849-4942
Fax: (510) 849-0794

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Re: Getting rsync to store timing information in its logs

2010-07-27 Thread Henri Shustak
 Is there a way to know from the rsync logs how long it took to do a backup?
 
 The only timing info,. I see is this at the end:
 
 sent 3067328 bytes  received 7853035429 bytes  1187888.83 bytes/sec
 total size is 1559866450336  speedup is 198.55


The latest alpha release of LBackup supports new configuration options allowing 
the time required for various backup related operations to be reported.

One such option is enable human readable reporting on the timing of the 
snapshot generation. Quoted below is an example of the output from the latest 
alpha release. 

 total size is 106717731958  speedup is 831.04
 Time required for snapshot generation : 0 days, 0 hours, 20 minutes, 17 
 seconds

The current granularity of the timing system mentioned above is 1 second. 
LBackup is using the the 'date' command to calculate timing.

If you are using the shell to measure the time required and you require 
increased granularity with simplicity, then I would recommend the use of the 
'time' command.

A majority of this post is from the following LBackup discussion thread : 
http://tinyurl.com/lbackup-discussion-human-read

Finally, I believe that 118788 bytes/sec is approximately 1.2 MB/sec

Hope this helps.


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