Duplicate delivery DB (was Unexpected database recovery)

[Henrique de Moraes Holschuh]

On Wed, 03 Dec 2003, Rob Siemborski wrote:
> On Wed, 3 Dec 2003, Christian Schulte wrote:
> > Richard Gilbert schrieb:
> > > The reason why I am restarting the server is to deal with the odd
> > > "IOERROR: reading message: unexpected end of file" errors, which I am
> > > still getting, which first led me to the lock_flock patch (archive message
> > > 18705).
> >
> > This is interesting. I am also seeing these entries from time to time,
> > maybe once a month. Is this lock_flock patch currently used in 2.2 ?
> 
> No -- under high lock contention it performs very very poorly.

That it does, that it does...

> We are looking at an alternat patch to break deadlocks (should they
> occur):
> 
> https://bugzilla.andrew.cmu.edu/show_bug.cgi?id=1177
> 
> But no one has confirmed that the patch works.

I know it works as in it operates correctly in Linux 2.4.2x, glibc 2.3.2,
but I don't have performance data.

I _can_ try to obtain that performance data if someone sends me scenarios
that will test the performance (scripts are MORE than welcome BTW :P)

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh