Alberto Gomez created GEODE-7061:
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Summary: Under heavy load and many threads the C++ Native client
may open lots of connections
Key: GEODE-7061
URL: https://issues.apache.org/jira/browse/GEODE-7061
Project: Geode
Issue Type: Bug
Components: native client
Reporter: Alberto Gomez
Under heavy load and many threads (>30) the C++ Native client tends to open a
lot of connections which, if the idleTimeout is not relatively small, could
provoke client port exhaustion.
The reason for this uncontrolled creation of connections is the implementation
of the thread managing connections (ThinClientPoolDM::cleanStaleConnections())
that, in order to determine which connections to close due to timeout or load
conditioning, gets all the connections from the pool for some time. Threads
requiring a connection when this operation is fired, will create new
connections while the maximum is not reached.
The proposed solution consists of changing the implementation of the
cleanStaleConnections so that it does not get all the connections at some point
but instead, takes one at a time in order to determine if it should close it.
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