Yuan Tian created IOTDB-2195:
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Summary: Control the concurrent query execution thread
Key: IOTDB-2195
URL: https://issues.apache.org/jira/browse/IOTDB-2195
Project: Apache IoTDB
Issue Type: Improvement
Components: Core/Query
Reporter: Yuan Tian
Assignee: Alima777
Currently, we don't restrict the query execution thread, you can have query
thread as much as the max size of connection which is defaultly 65535.
This will easily cause OOM when the client concurrent query threads increase.
Even if you have enough memory, too many query execution threads will cause
frequent context switch if your machine don't have enough cpu cores which will
also affect your query performance.
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