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From "Jason Rutherglen (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-2063) Use thread pool in ConcurrentMergeScheduler
Date Fri, 13 Nov 2009 19:11:39 GMT
Use thread pool in ConcurrentMergeScheduler
-------------------------------------------

                 Key: LUCENE-2063
                 URL: https://issues.apache.org/jira/browse/LUCENE-2063
             Project: Lucene - Java
          Issue Type: Improvement
          Components: Index
    Affects Versions: 2.9.1
            Reporter: Jason Rutherglen
            Priority: Minor
             Fix For: 3.1


Currently it looks like CMS creates a new thread object for each
merge, which may not be expensive anymore on Java5+ JVMs,
however we can fairly simply implement the Java5 thread pooling.
Also I'm thinking we may be interested in using thread pools for
other tasks in IndexWriter (such as LUCENE-2047 performing
deletes in the background). 

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