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From "Jason Rutherglen (JIRA)" <j...@apache.org>
Subject [jira] Closed: (LUCENE-1746) Improve ParallelMultiSearcher
Date Mon, 24 Jan 2011 21:13:54 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-1746?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jason Rutherglen closed LUCENE-1746.
------------------------------------

    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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