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Posted to dev@lucene.apache.org by Ryan McKinley <ry...@gmail.com> on 2009/03/24 01:01:48 UTC

LocalLucene sorting issue

In order to get spatial lucene into solr, we need to figure out how to  
fix the memory leak described in:
https://issues.apache.org/jira/browse/LUCENE-1304

Reading the posts on LUCENE-1304, it seems to point to LUCENE-1483 as  
the _real_ solution while LUCENE-1304 would just be a deprecated band- 
aid (for the record, band-aids are quite useful).

Before delving into this again, it looks like LUCENE-1483 is finished,  
but I don't understand how it fixes the CustomSort stuff.  Also, I  
don't see what the deprecated sorting stuff should be replaced with...

thanks for any pointers

ryan

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Re: LocalLucene sorting issue

Posted by Mark Miller <ma...@gmail.com>.
Ryan McKinley wrote:
> In order to get spatial lucene into solr, we need to figure out how to 
> fix the memory leak described in:
> https://issues.apache.org/jira/browse/LUCENE-1304
>
> Reading the posts on LUCENE-1304, it seems to point to LUCENE-1483 as 
> the _real_ solution while LUCENE-1304 would just be a deprecated 
> band-aid (for the record, band-aids are quite useful).
>
> Before delving into this again, it looks like LUCENE-1483 is finished, 
> but I don't understand how it fixes the CustomSort stuff.  Also, I 
> don't see what the deprecated sorting stuff should be replaced with...
The fix should be that comparators are no longer cached with LUCENE-1483 
as long as you use the new API. The new API is the FieldComparator, and 
you supply one with a FieldComparatorSource. The FieldComparator may 
look a little complicated, but its fairly straightforward for the 
primitive (non String) types - you should be able to roughly copy one.

org.apache.lucene.search.FieldComparator

There is a new SortField constructor that takes a FieldComparatorSource.
>
> thanks for any pointers
>
> ryan
>
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> To unsubscribe, e-mail: java-dev-unsubscribe@lucene.apache.org
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-- 
- Mark

http://www.lucidimagination.com




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