[Xapian-discuss] another DatabaseModifiedError issue
olly at survex.com
Fri May 30 00:42:20 BST 2008
On Thu, May 29, 2008 at 04:40:46PM +0200, Markus Wörle wrote:
> * I added microsecond-timestamps to my logfiles and collected samples
> over night. It seems that my problem has in fact nothing to do with
> consecutive flushes of different databases. It seems that I noticed
> this behaviour by chance and took wrong conclusions after I saw my
> workaround (the sleeps between the flushes) working.
OK, that's certainly a useful discovery.
> You see the database revision got only increased by 1 with each
> explicit flush().
Yes, that's reassuring as it rules out implicit calls to flush (assuming
the "[Wtf::Index]" logging is from your code).
> Which means that the exception got thrown in
That's really the only place it could be - the other place it could get
thrown is if we can't open the database at a consistent revision because
it keeps changing too quickly. But it's good to have confirmation.
It would be interesting to know which call to set_overwritten()
was responsible if you don't mind annotating the places which call
> I hope this information helps in some way.
It doesn't immediately reveal to me what's going on, but it's certainly
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