Re: Ways to speed up ts_rank

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От Shane Hathaway
Тема Re: Ways to speed up ts_rank
Дата
Msg-id 5075BF57.9010602@hathawaymix.org
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Ответ на Re: Ways to speed up ts_rank  (Oleg Bartunov <oleg@sai.msu.su>)
Список pgsql-performance
On 10/10/2012 08:59 AM, Oleg Bartunov wrote:
> We'll present in Prague some improvements in FTS. Unfortunately, we have
> only several minutes during lighting talk. In short, we improved GIN to
> store additional information, coordinates for fts, for example and
> return ordered by rank search results, which gave us performance better
> than
> sphynx. It's just a prototype, but we already got median at 8 msec for 6
> mln classifieds.
>
> We didn't tested for long documents yet.

That sounds like the solution I'm looking for!  Storing the info for
ts_rank in an index would probably do the trick.  Can I get this code
somewhere?  I've isolated the table I need to optimize and I can easily
run tests on non-production code.

Shane



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