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From "Uwe Schindler (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-2840) Multi-Threading in IndexSearcher (after removal of MultiSearcher and ParallelMultiSearcher)
Date Thu, 30 Dec 2010 11:58:46 GMT
Multi-Threading in IndexSearcher (after removal of MultiSearcher and ParallelMultiSearcher)
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                 Key: LUCENE-2840
                 URL: https://issues.apache.org/jira/browse/LUCENE-2840
             Project: Lucene - Java
          Issue Type: Sub-task
          Components: Search
            Reporter: Uwe Schindler
            Priority: Minor
             Fix For: 4.0


Spin-off from parent issue:

{quote}
We should discuss about how many threads should be spawned. If you have an index with many
segments, even small ones, I think only the larger segments should be separate threads, all
others should be handled sequentially. So maybe add a maxThreads cound, then sort the IndexReaders
by maxDoc and then only spawn maxThreads-1 threads for the bigger readers and then one additional
thread for the rest?
{quote}

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