Colin Patrick McCabe created HDFS-7923:
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Summary: The DataNodes should rate-limit their full block reports
by asking the NN on heartbeat messages
Key: HDFS-7923
URL: https://issues.apache.org/jira/browse/HDFS-7923
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Colin Patrick McCabe
Assignee: Charles Lamb
The DataNodes should rate-limit their full block reports. They can do this by
first sending a heartbeat message to the NN with an optional boolean set which
requests permission to send a full block report. If the NN responds with
another optional boolean set, the DN will send an FBR... if not, it will wait
until later. This can be done compatibly with optional fields.
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