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Posted to dev@lucene.apache.org by "Jason Rutherglen (JIRA)" <ji...@apache.org> on 2009/07/16 08:45:15 UTC

[jira] Created: (LUCENE-1746) Improve ParallelMultiSearcher

Improve ParallelMultiSearcher
-----------------------------

                 Key: LUCENE-1746
                 URL: https://issues.apache.org/jira/browse/LUCENE-1746
             Project: Lucene - Java
          Issue Type: Improvement
          Components: Search
    Affects Versions: 3.0
            Reporter: Jason Rutherglen
            Priority: Minor
             Fix For: 3.1


* As we're going to Java5, we can use the java.util.concurrent
thread pool. The thread pool size can default to the number of
processors.

* We can optimize usage of readers where small segments are
searched sequentially, larger segments are searched on in
parallel

* Need a plan for how Collector.setNextReader works when
parallelized (i.e. where do we add synchronization without
creating a bottleneck?)



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