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From Cheolgoo Kang <app...@gmail.com>
Subject Re: Can I warm-up my search for it's performance?
Date Sun, 11 Dec 2005 07:30:01 GMT
Thanks Otis,

I'm doing exactly what you've said, except the sorting. I'll try it
out immediately.

Anyway, will the warming up search with ANY term do the same job? Or
should I have to search with the worst term that has the longest hits?

On 12/11/05, Otis Gospodnetic <otis_gospodnetic@yahoo.com> wrote:
> Yes you can.  Just open an IndexReader/Searcher, say in a separate
> thread, run a search on it, and then swap your previous
> IndexReader/Searcher with the warm one.  If you use sorting, make your
> "background query" with the sort option, so the FieldCaches get
> populated and warmed up.
>
> Otis
>
> --- Cheolgoo Kang <appler@gmail.com> wrote:
>
> > Hi,
> >
> > I'm running an index on FSDirectory with 0.4M documents with each of
> > 7 fields.
> >
> > When I open an IndexReader and an IndexSearcher, the average search
> > time with hits of 0.2M items (yeah, very common word) takes about
> > 150~250 msec and it's pretty good. But the first time just after
> > opening IndexReader or IndexSearcher, search with the same keyword
> > takes about 3~4 secs (10 times more than the average) and this makes
> > our search system looks slow.
> >
> > I think it could be the caching issue with OS and file system.
> >
> > Any way, can I warm our IndexSearcher or IndexReader up to reduce
> > this problem?
> >
> > --
> > Cheolgoo
> >
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> >
>
>
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>


--
Cheolgoo

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