Bacula-users

Re: [Bacula-users] Performance options for single large (100TB) server backup?

2011-06-28 12:43:47
Subject: Re: [Bacula-users] Performance options for single large (100TB) server backup?
From: Steve Costaras <stevecs AT chaven DOT com>
To: Christian Manal <moenoel AT informatik.uni-bremen DOT de>
Date: Tue, 28 Jun 2011 11:40:35 -0500


How would the the various parts communicate if you're running multiple instances on different ports?   I would think just by creating multiple jobs would create multiple socket streams and do the same thing.



On 2011-06-28 02:09, Christian Manal wrote:
 - File daemon is single threaded so is limiting backup performance. Is there was a way to start more than one stream at the same time for a single machine backup? Right now I have all the file systems for a single client in the same file set.

 - Tied in with above, accurate backups cut into performance even more when doing all the md5/sha1 calcs. Spliting this perhaps with above to multiple threads would really help.

 - How to stream a single job to multiple tape drives. Couldn't figure this out so that only one tape drive is being used.

 - spooling to disk first then to tape is a killer. if multiple streams could happen at once this may mitigate this or some type of continous spooling. How do others do this?

Hi,

I haven't tried, but shouldn't it be possible to run multiple instances
of FDs on different ports? You could split up the fileset into multiple
jobs which then can run concurrently on multiple FDs.


Regards,
Christian Manal

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------------------------------------------------------------------------------
All of the data generated in your IT infrastructure is seriously valuable.
Why? It contains a definitive record of application performance, security 
threats, fraudulent activity, and more. Splunk takes this data and makes 
sense of it. IT sense. And common sense.
http://p.sf.net/sfu/splunk-d2d-c2
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