Mark created DIRMINA-948:
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Summary: Performance recession when invoke session.write concurrent
Key: DIRMINA-948
URL: https://issues.apache.org/jira/browse/DIRMINA-948
Project: MINA
Issue Type: Bug
Components: Core
Affects Versions: 2.0.7
Reporter: Mark
In org.apache.mina.core.filterchainDefaultIoFilterChain, code around line
number 600,
<code>if (writeRequestQueue.size() == 0 )</code>
will raise performance problem in high concurrent situation, Mina default use
ConcurrentLinkedQueue as writeRequestQueue, but size() of this queue is not a
constant-time operation, suggest to use <code>if
(writeRequestQueue.isEmpty(s))</code> instead of it.
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