Change the default Map implementation of DemuxingIoHandler to ConcurrentHashMap
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Key: DIRMINA-398
URL: https://issues.apache.org/jira/browse/DIRMINA-398
Project: MINA
Issue Type: Improvement
Components: Handler
Affects Versions: 1.1.0, 1.0.3
Reporter: Trustin Lee
Priority: Trivial
Fix For: 1.0.4, 1.1.1
DemuxingIoHandler's underlying Map implementation is a synchronized HashMap,
which doesn't perform well under heavy load. It is because the map is accessed
by many threads at the same time. Replacing it with a ConcurrentHashMap will
improve the overall performance of DemuxingIoHandler.
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