Xinyu Tan created IOTDB-6102:
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Summary: Enhance ConfigNode state maintenance during DataNode
startup
Key: IOTDB-6102
URL: https://issues.apache.org/jira/browse/IOTDB-6102
Project: Apache IoTDB
Issue Type: Improvement
Reporter: Xinyu Tan
Assignee: Yongzao Dan
Attachments: image-2023-08-07-16-34-13-559.png,
image-2023-08-07-16-34-30-834.png
The current DataNode will send a request to the ConfigNode upon startup.
However, the status of the DataNode maintained by the ConfigNode will be
updated only when the ConfigNode sends its first heartbeat to the DataNode.
During this period, new write requests to the DataNode may fail due to the
absence of partition information in the ConfigNode.
Although this time window is small (about 1 second), we need to enhance the
state maintenance logic during this process to avoid the occurrence of the
following errors.
!image-2023-08-07-16-34-13-559.png|thumbnail!
!image-2023-08-07-16-34-30-834.png|thumbnail!
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