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https://issues.apache.org/jira/browse/LUCENE-1746?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Rutherglen closed LUCENE-1746.
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Resolution: Won't Fix
Sorry if this spam's things, however it's unlikely that I'll work on these.
> 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: 4.0
>
> Original Estimate: 168h
> Remaining Estimate: 168h
>
> * 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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