Xiaobing Zhou created HDFS-11534:
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Summary: Add counters for number of blocks in pending IBR
Key: HDFS-11534
URL: https://issues.apache.org/jira/browse/HDFS-11534
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Xiaobing Zhou
Assignee: Xiaobing Zhou
IBR can be sent in batch. For the sake of diagnosis, it's helpful to understand
work load of pending queue, e.g. how many blocks as total, how many blocks in
status of RECEIVING_BLOCK, RECEIVED_BLOCK, and DELETED_BLOCK, respectively.
Also the metrics can be exposed to JMX.
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