lucene-java-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Michael McCandless <luc...@mikemccandless.com>
Subject Re: IntField vs (IntDocValuesField + StoredField)
Date Wed, 31 Oct 2012 14:23:09 GMT
Uwe, that '1' was the value of the field not the precision step...

And that's a good point about IntDocValues being more efficient for sorting.

Mike McCandless

http://blog.mikemccandless.com

On Wed, Oct 31, 2012 at 10:16 AM, Uwe Schindler <uwe@thetaphi.de> wrote:
> And in general, using 1 as precisionStep is not always a good idea - size-wise and performance
wise. I would use the default of 4.
>
> -----
> Uwe Schindler
> H.-H.-Meier-Allee 63, D-28213 Bremen
> http://www.thetaphi.de
> eMail: uwe@thetaphi.de
>
>> -----Original Message-----
>> From: Michael McCandless [mailto:lucene@mikemccandless.com]
>> Sent: Wednesday, October 31, 2012 2:52 PM
>> To: java-user@lucene.apache.org
>> Subject: Re: IntField vs (IntDocValuesField + StoredField)
>>
>> The big advantage of IntField is you can do NumericRangeQuery/Filter on the
>> field.
>>
>> Mike McCandless
>>
>> http://blog.mikemccandless.com
>>
>> On Wed, Oct 31, 2012 at 9:42 AM, Ivan Vasilev <ivasilev@sirma.bg> wrote:
>> > Hy Guys,
>> >
>> > Is there some advantage in speed or index size to use this:
>> >
>> > IntDocValuesField fld = new IntDocValuesField("fldName", 1);
>> > StoredField fld = new StoredField("fldName", 1);
>> >
>> > instead of this:
>> >
>> > IntField fld = new IntField("fld", 1, Field.Store.YES);
>> >
>> > Searching, sorting and retrieving data from just one object (IntField)
>> > is easier than dealing with two objects (IntDocValuesField and
>> > StoredFiel) for the same field.
>> > So as Lucene includes the also latter alternative, there might be some
>> > advantages using it?
>> >
>> > Cheers,
>> > Ivan
>> >
>> > ---------------------------------------------------------------------
>> > To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
>> > For additional commands, e-mail: java-user-help@lucene.apache.org
>> >
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
>> For additional commands, e-mail: java-user-help@lucene.apache.org
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-user-help@lucene.apache.org
>

---------------------------------------------------------------------
To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
For additional commands, e-mail: java-user-help@lucene.apache.org


Mime
View raw message