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From suman.hol...@zapak.co.in
Subject RE: Range Queries Performance Hit
Date Thu, 25 Mar 2010 11:53:14 GMT

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  01 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="1242758400" enddt="1241980500"
>>
>>
>>
>> now when i am searching for
>> searchingdate = new RangeQuery(lastyear time in seconds,current time in
>> seconds, true);
>>
>> searchingdate1 = new RangeQuery(current time in seconds,nextyear time
>> 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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>
>
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