Status of 64-bit TDB

[Andrew Bartlett]

On Tue, 2009-06-16 at 15:35 +0200, Volker Lendecke wrote:
> On Tue, Jun 16, 2009 at 09:21:36AM -0400, yaberger at ca.ibm.com wrote:
> > this might not be the solution for John's problem but I think a TDB 
> > defragmenter/shrinker is something that is missing around TDBs.
> > 
> > Currently, the only way to reduce the size of a TDB is to stop Samba and 
> > delete the non-persistant TDBs.
> 
> You can always do a tdbbackup of the persistent ones.
> 
> > Has it been discussed in the past?
> > Is this something that makes sense and would be doable?
> 
> Sure. It will need to be coded up very carefully though if
> it shall work while the tdb is in use.

For a TDB with transactions in use, that now happens (tridge's recent
patch to have the tdb self-compact when expanding).

It won't reduce the file length, but should reduce the area that is
actually faulted in to future processes. 

Andrew Bartlett

-- 
Andrew Bartlett
http://samba.org/~abartlet/
Authentication Developer, Samba Team           http://samba.org
Samba Developer, Red Hat Inc.
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