Tian Jiang created IOTDB-5579:
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Summary: Lower the log level of invalid statement execution
Key: IOTDB-5579
URL: https://issues.apache.org/jira/browse/IOTDB-5579
Project: Apache IoTDB
Issue Type: Improvement
Components: mpp-cluster
Reporter: Tian Jiang
Assignee: Yukun Zhou
Fix For: master branch
Attachments: image-2023-02-24-10-07-06-436.png
The system will print an error log whatever exception it encounters during the
execution of a PlanNode.
!image-2023-02-24-10-07-06-436.png|thumbnail!
However, as shown in the picture, the exception may only be caused by a
misoperation of a client and it is not worth the attention of the DBA.
Needless to say, too many unecessary error logs may divert the focus during
maintenance or debugging. Therefore, I suggest to lower the log level for such
exceptions. To be more specific, the log level should depend on the severity of
the exceptions.
One more step to go, maybe we can assign a severity level to each exception so
that the exception handling can be performed in a more unified way.
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