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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] [Created] (LUCENE-5634) Reuse TokenStream instances in Field
Date Wed, 30 Apr 2014 21:59:16 GMT
Michael McCandless created LUCENE-5634:
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             Summary: Reuse TokenStream instances in Field
                 Key: LUCENE-5634
                 URL: https://issues.apache.org/jira/browse/LUCENE-5634
             Project: Lucene - Core
          Issue Type: Improvement
            Reporter: Michael McCandless
             Fix For: 4.9, 5.0


If you don't reuse your Doc/Field instances (which is very expert: I
suspect few apps do) then there's a lot of garbage created to index each
StringField because we make a new StringTokenStream or
NumericTokenStream (and their Attributes).

We should be able to re-use these instances via a static
ThreadLocal...




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