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From "Doron Cohen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-686) Resources not always reclaimed in scorers after each search
Date Wed, 25 Oct 2006 21:55:20 GMT
    [ http://issues.apache.org/jira/browse/LUCENE-686?page=comments#action_12444742 ] 
            
Doron Cohen commented on LUCENE-686:
------------------------------------

An example of how current Lucene code relies on not having to close resoures, in PhraseQuery:
    ...
    scorer(IndexReader reader) {
      ...
      for (int i = 0; i < terms.size(); i++) {
        TermPositions p = reader.termPositions((Term)terms.elementAt(i));
        if (p == null)
          return null;  < - - - - change would be required here
        tps[i] = p;
      }

If close() has to be respected this code would need to change to close all TermPositions that
were obtained just before the one that was not found.

> Resources not always reclaimed in scorers after each search
> -----------------------------------------------------------
>
>                 Key: LUCENE-686
>                 URL: http://issues.apache.org/jira/browse/LUCENE-686
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: Search
>         Environment: All
>            Reporter: Ning Li
>         Attachments: ScorerResourceGC.patch
>
>
> Resources are not always reclaimed in scorers after each search.
> For example, close() is not always called for term docs in TermScorer.
> A test will be attached to show when resources are not reclaimed.

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