Haonan Hou created IOTDB-3943:
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Summary: Optimize session timeout feature
Key: IOTDB-3943
URL: https://issues.apache.org/jira/browse/IOTDB-3943
Project: Apache IoTDB
Issue Type: Improvement
Reporter: Haonan Hou
Users may forget to close sessions. Such idle connections lead to a waste of
server resource and in the worst case, take up all the memory of server.
Session timeout is trying to solve such problem.
Currently this feature has other problems
# Once the session is cleared by session timeout, the client will not get the
status, when client tries to use the session again, server will throw NPE. We
should throw connect exception here to client, so that session pool can catch
it and uses another session to connect.
# Metric module will insert data to IoTDB, we need to consider use session
pool in this module.
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