Daryn Sharp created HDFS-12648:
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Summary: DN should provide feedback to NN for throttling commands
Key: HDFS-12648
URL: https://issues.apache.org/jira/browse/HDFS-12648
Project: Hadoop HDFS
Issue Type: Sub-task
Components: datanode
Affects Versions: 2.8.0
Reporter: Daryn Sharp
The NN should avoid sending commands to a DN with a high number of outstanding
commands. The heartbeat could provide this feedback via perhaps a simple count
of the commands or rate of processing.
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