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From "Manoj Kr. Sheoran" <manoj.ku...@daffodildb.com>
Subject Re: Searching the contents
Date Fri, 04 Nov 2005 10:23:10 GMT
Hi Erik and all,
Thanks for the concern.  We will test and let you know it also. We would
really appreciate if any of you can tell some more about the architecture of
Lucene searching system. How do you manages the iterator and what is the
method callback at query execution time(a broader view).

Regards,
Manoj

----- Original Message -----
From: "Erik Hatcher" <erik@ehatchersolutions.com>
To: <java-user@lucene.apache.org>
Sent: Friday, November 04, 2005 3:41 PM
Subject: Re: Searching the contents


> I certainly recommend testing this to see what kind of response times
> you get for the first and successive searches after the caches are
> built - be sure to use the same IndexReader for all searches to
> benefit from caching :)
>
> Sorting on 4-5 columns seems kind of extreme.  Sorting uses up RAM
> with the caches, so it would surely be much more efficient to
> collapse the fields you need to sort by into a single field if
> possible, and try to do so numerically rather than as Strings.
>
>      Erik
>
>
>
> On 4 Nov 2005, at 02:35, Manoj Kr. Sheoran wrote:
>
> > Hi Chris,
> > Thanks for sharing your views with us. Is  sorting works properly.
> > Is there
> > any idea regarding time estimation for sort on 4-5 columns with 1
> > million
> > records?
> >
> > Regards,
> > Manoj
> > ----- Original Message -----
> > From: "Chris Lu" <chris.lu@gmail.com>
> > To: <java-user@lucene.apache.org>
> > Sent: Friday, November 04, 2005 12:30 PM
> > Subject: Re: Searching the contents
> >
> >
> >
> >> One of my case is using PIII 450MHz 256M RAM, with 1million records,
> >> the search is around 3~4 seconds for the very first search, and
> >> sub-second, usually under 0.5 second.
> >>
> >> Sorting on one column will be longer, like 7~8 seconds for the first
> >> sort. And subseconds with cache.
> >>
> >> Chris Lu
> >> ---------------------------
> >> Full-Text Search on Any Database
> >> http://www.dbsight.net
> >>
> >> On 11/3/05, Manoj Kr. Sheoran <manoj.kumar@daffodildb.com> wrote:
> >>
> >>> Hi,
> >>> I am having 1,00,000 documents in a index but in near future it
> >>> will be
> >>>
> > 3 million and more.  I am somewhat concerned about  the searhing
> > process
> > with this much number of document.  I am giving order on some
> > fields of
> > documents. Could anybody tell be the expected result from lucene
> > engine with
> > 3 million results and order/sorted on 4 column.
> >
> >>>
> >>> Thanks,
> >>> Manoj
> >>>
> >>>
> >>>
> >>
> >> ---------------------------------------------------------------------
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> >>
> >>
> >
> >
> > ---------------------------------------------------------------------
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> >
>
>
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