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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