[Xapian-discuss] xapian-compact seg faulting & Re: [Xapian-discuss] Error msg xapian-compact: The revision being read has been discarded - you should call Xapian::Database::reopen() and retry the operation

oscaruser at programmer.net oscaruser at programmer.net
Tue Jun 13 19:38:53 BST 2006


I am fairly confident that these issues are related to killing the scriptindex process ungracefully causing blocks that were queued for writing to disk to not get written. I mention to send you the file because it could be that you would see almost immediately with the situation is.
Thanks


> ----- Original Message -----
> From: oscaruser at programmer.net
> To: xapian-discuss at lists.xapian.org
> Subject: Re: [Xapian-discuss] xapian-compact seg faulting & Re:	[Xapian-discuss] Error msg xapian-compact: The revision being read	has been discarded - you should call Xapian::Database::reopen() and	retry the operation
> Date: Tue, 13 Jun 2006 10:05:34 -0800
> 
> 
> Olly,
> 
> True something wrong with my setup. How I can send you the file (~6.4 MB gz)?
> 
> Thanks,
> OSC
> 
> > ----- Original Message -----
> > From: "Olly Betts" <olly at survex.com>
> > To: oscaruser at programmer.net
> > Subject: Re: [Xapian-discuss] xapian-compact seg faulting & Re: 
> > [Xapian-discuss] Error msg xapian-compact: The revision being 
> > read has been discarded - you should call 
> > Xapian::Database::reopen() and retry the operation
> > Date: Tue, 13 Jun 2006 02:03:51 +0100
> >
> >
> > This is very odd.  Flint currently seems rock solid for everybody using
> > it apart from you where it seems very flaky.  If I could reproduce the
> > problem, I should be able to pin down what's wrong and fix it, but I
> > can't from the information you've provided so far.
> >
> > For example, Gmane uses xapian-compact to merge 2 databases every night,
> > and even uses the -F option like you do.  For a full rebuild (which I
> > must have done at least 10 times) it merges one database per million
> > documents, so that's more than 30.  Tweakers.net use flint on a large
> > system and run xapian-compact frequently and they're very happy with
> > the stability.  I know of several other happy flint users (and there
> > are probably more I don't know of).
> >
> > I don't understand what's the difference which is causing you these
> > problems.  I suspect if we can work that out this will be fairly easy to
> > resolve.
> >
> > On Mon, Jun 12, 2006 at 11:35:53AM -0800, oscaruser at programmer.net wrote:
> > > I think it may also be time to develop a tool to validate the integrity
> > > of a flint index.
> >
> > If you can run copydatabase on a database, it's in good shape with the
> > possible exception of the postlist table.
> >
> > If you want something more specific, quartzcheck is probably a good
> > starting point.  The flint and quartz formats still have quite a bit
> > in common.
> >
> > Cheers,
> >      Olly
> 
> 
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