[Xapian-discuss] 1.2.2/3 performance issue

Olly Betts olly at survex.com
Wed Sep 22 14:55:28 BST 2010


On Tue, Sep 21, 2010 at 05:29:49PM +0200, Markus Wörle wrote:
> 
> Am 21.09.2010 um 15:55 schrieb Olly Betts:
> > As a first step, can you test a "slow" version (anything >= r14613 - 1.2.3
> > is fine if that's easiest) with this patch:
> > 
> > http://oligarchy.co.uk/xapian/patches/orpostlist-check-disable.patch
> > 
> > If that returns performance to what you get with versions < r14613 then
> > I'll try to write a patch which doesn't just disable this optmisation.
> 
> Yep, it returns performance. After applying your patch on xapian-core-1.2.3,
> it's again as fast as versions < r14613.

Great - can you try this patch, which hopefully will retain the optimisation
but handle your case as fast as before:

http://oligarchy.co.uk/xapian/patches/orpostlist-check-disable.patch

Cheers,
    Olly



More information about the Xapian-discuss mailing list