[SCM] Samba Shared Repository - branch v3-0-test updated - release-3-0-32-11-g0b39c04

simo simo at samba.org
Thu Sep 4 17:45:06 GMT 2008

On Thu, 2008-09-04 at 09:37 -0700, Jeremy Allison wrote:
> On Thu, Sep 04, 2008 at 03:58:20PM +1000, tridge at samba.org wrote:
> > Hi Simo,
> > 
> >  > and please check with somebody who knows systems programming before
> >  > making a change like this.
> > 
> > also, my apologies for this. Kai and Andrew have now pointed me at the
> > thread where you asked about this, and got an ack from Jeremy.
> Yes, as it was only on db expansion I thought this was
> ok as the alternative is data loss. Note that according
> to the man page without this we could potentially corrupt
> the tdb whilst in-use on every expansion, which seemed
> to be a case for using msync to me.
> Please correct me if I'm wrong, but not doing it on
> clear-if-first db's could also potentially corrupt
> them whilst in use.
> I don't think it's a big problem else we'd see many
> more corrupted tdb's than we do, so your thoughts on
> the matter would be most appreciated.

Btw, I will try to run a torture test as soon as I can and see if with
or without msync on expansion we see any noticeable difference.


Simo Sorce
Samba Team GPL Compliance Officer <simo at samba.org>
Senior Software Engineer at Red Hat Inc. <simo at redhat.com>

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