[Xapian-discuss] Flint Backend

Arjen van der Meijden acmmailing at tweakers.net
Sat Jun 11 10:53:05 BST 2005


Hi Olly,

It looks good, but I have a few questions. First off, you talk about 
improved performance for adding documents, did this effort have any 
effect on updating (replacing) documents?

I hope there isn't a more-than-marginal negative impact, since in our 
application we do more updates than additions (resp 631 vs 282 last 
night) where the updates are also with larger documents since they 
generally contain longer periods of discussions.
Last nights run took about 31 minutes for indexing, so if that would've 
taken like 32 (or even 40) minutes with Flint, it'd be no problem at all 
though.

Do you think the Flint backend will be better in terms of performance 
compared to (our setup with) a (zlib) compacted quartz database? Or is 
it too early in its development stage and should we wait a while for 
such things to become clear?
As you know especially the position-table puts a lot of pressure on our 
machine, so significant improvements in that table are very interesting 
for us.

Best regards,

Arjen

On 11-6-2005 3:44, Olly Betts wrote:
> The recent 0.9.1 release was the first to include the new Flint backend.
> 
> I've added a wiki page which documents it, including how to try it out:
> 
> http://wiki.xapian.org/FlintBackend
> 
> Oh yes, and we have a wiki!  We have had for a while, but I finally got
> around to making use of it...
> 
> Cheers,
>     Olly
> 
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