PooledSegmentReader, pools SegmentReader underlying byte arrays
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Key: LUCENE-1574
URL: https://issues.apache.org/jira/browse/LUCENE-1574
Project: Lucene - Java
Issue Type: Improvement
Components: contrib/*
Affects Versions: 2.4.1
Reporter: Jason Rutherglen
Priority: Minor
Fix For: 2.9
PooledSegmentReader pools the underlying byte arrays of deleted docs and norms
for realtime search. It is designed for use with IndexReader.clone which can
create many copies of byte arrays, which are of the same length for a given
segment. When pooled they can be reused which could save on memory.
Do we want to benchmark the memory usage comparison of PooledSegmentReader vs
GC? Many times GC is enough for these smaller objects.
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