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From: Ian Lea <ian.lea@gmail.com>
Date: Thu, 25 Mar 2010 12:29:53 +0000
Message-ID: <8c4e68611003250529n20c2c2f4qb2c546a7d60338a@mail.gmail.com>
Subject: Re: Range Queries Performance Hit
To: java-user@lucene.apache.org
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That question should be asked on the clucene list.  This is the
java-user lucene list.


--
Ian.


On Thu, Mar 25, 2010 at 12:19 PM,  <suman.holani@zapak.co.in> wrote:
>
> Hi,
>
> Is there something of this sort =A0provided in clucene as well..lucene fo=
r
> c++ ???
>
> thanks,
> Suman
>
>> No. =A0See java classes
>>
>> org.apache.lucene.search.NumericRangeQuery
>> org.apache.lucene.document.NumericField
>>
>> See also recent thread on this list with subject "Lucene 3.0 Search
>> Performance Stats".
>>
>>
>> --
>> Ian.
>>
>>
>> On Thu, Mar 25, 2010 at 11:53 AM, =A0<suman.holani@zapak.co.in> wrote:
>>>
>>> U mean I need to use padding technique in indexing and searching in
>>> order
>>> to make numeric searches rt?
>>>
>>> for numbers 1...10
>>> indexes should be =A001 02....10
>>> rather than 1 10 2.....9
>>>
>>>
>>> thanks,
>>> Suman
>>>
>>>
>>>> You should use NumericRangeQuery and NumericField (since 2.9).
>>>>
>>>> -----
>>>> Uwe Schindler
>>>> H.-H.-Meier-Allee 63, D-28213 Bremen
>>>> http://www.thetaphi.de
>>>> eMail: uwe@thetaphi.de
>>>>
>>>>
>>>>> -----Original Message-----
>>>>> From: suman.holani@zapak.co.in [mailto:suman.holani@zapak.co.in]
>>>>> Sent: Thursday, March 25, 2010 12:08 PM
>>>>> To: java-user@lucene.apache.org
>>>>> Subject: Range Queries Performance Hit
>>>>>
>>>>> Hello,
>>>>>
>>>>>
>>>>> Range queries are lowering down the performance of search.
>>>>> I am using date in my clucene application .
>>>>>
>>>>> lucene doc has these kind of fields:
>>>>>
>>>>> startdt=3D"1242758400" enddt=3D"1241980500"
>>>>>
>>>>>
>>>>>
>>>>> now when i am searching for
>>>>> searchingdate =3D new RangeQuery(lastyear time in seconds,current tim=
e
>>>>> in
>>>>> seconds, true);
>>>>>
>>>>> searchingdate1 =3D new RangeQuery(current time in seconds,nextyear ti=
me
>>>>> in
>>>>> seconds, true);
>>>>>
>>>>> Query :i want all doc , created after last year and expired before
>>>>> next
>>>>> year.
>>>>>
>>>>> but the query is taking 15ms to run.
>>>>> if i remove the query the execution time is reduced to half.
>>>>>
>>>>> 1. any other thing that i can use for range queries
>>>>> 2. converting the time to minutes is also not helping me.
>>>>>
>>>>> Help me with the solution.
>>>>>
>>>>>
>>>>> Thanks,
>>>>> Suman
>>>>>
>>>>>
>>>>>
>>>>> ---------------------------------------------------------------------
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>>>>> For additional commands, e-mail: java-user-help@lucene.apache.org
>>>>
>>>>
>>>>
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>>>>
>>>>
>>>
>>>
>>>
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>>>
>>>
>>
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>>
>
>
>
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