Re: [Nssbackup-team] [Bug 587911] Re: Logarithmic purge missing after upgrade to 0.2

2010-08-12 Thread Anton
I've just started testing 0.3. Good news is that it works, and 
(finally!!) accepts an ssh destination without password.

Bad news is that for me logarithmic purging is an absolutely essential 
feature. I want to be able to go back to (old!) versions of files for 
some considerable period of time.

I think dropping log purging due to an implementation crash with 
(incremental) snapshot merging is not a good decision. For one thing, 
you could retain log purging for the full snapshots, as no merging would 
be required there. Then, simply, retain all incremental snapshots until 
their base full snapshot is scheduled for purging.

I'd be happy to take some of this work on me (I'm on the sbackup 
developer team, but not yet on the nssbackup team, at least according to 
launchpad). But I do need one of you to get me started, and give me some 
pointers on where to start looking and working.


(P.S., I could not bzr the nssbackup source. Is that due to launchpad 
being in read-only?)


-- 
Groetjes,

Anton
  _ ___
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|  _   _  ___,| K. Anton Feenstra |
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-- 
Logarithmic purge disabled in final release 0.2
https://bugs.launchpad.net/bugs/587911
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[Nssbackup-team] [Bug 587911] Re: Logarithmic purge missing after upgrade to 0.2

2010-05-31 Thread dik23
Oops - sorry, just read the change log

What will happen with purging if logarithmic was selected previous to
upgrade ?

-- 
Logarithmic purge missing after upgrade to 0.2
https://bugs.launchpad.net/bugs/587911
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[Nssbackup-team] [Bug 587911] Re: Logarithmic purge missing after upgrade to 0.2

2010-05-31 Thread Jean-Peer Lorenz
A warning is logged stating that logarithmic purging is disabled and
that you should set an appropriate cutoff value in your configuration.
Existing backups are not removed until you change to cutoff purge. That
is, you can manually save your old backups and then enable cutoff purge.

Unfortunately, disabling the logarithmic purge was necessary since it
had some serious (performance) issues. The current implementation merges
existing snapshots during the purge process every time and this merge
takes several hours when applied to archives containing more than 10.000
files. Practically, this makes (Not So) Simple Backup unusable for daily
use. Therefore, I've decided to disable it and to provide only a working
choice (the cutoff purge) for the stable release.

For later versions, it is planned to re-enable this feature.

I'll slightly modify the title of this bug and set its status to
confirmed, so we can use it to track the progress on this issue.

Thanks for reporting and for using (Not So) Simple Backup.
Best, Jean-Peer.

** Summary changed:

- Logarithmic purge missing after upgrade to 0.2
+ Logarithmic purge disabled in final release 0.2

** Changed in: nssbackup
   Status: New = Confirmed

-- 
Logarithmic purge disabled in final release 0.2
https://bugs.launchpad.net/bugs/587911
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team, which is subscribed to NSsbackup.

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