Haohui Mai created HDFS-7748:
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Summary: Separate ECN flags from the Status in the
DataTransferPipelineAck
Key: HDFS-7748
URL: https://issues.apache.org/jira/browse/HDFS-7748
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Haohui Mai
Prior to the discussions on HDFS-7270, the old clients might fail to talk to
the newer server when ECN is turned on. This jira proposes to separate the ECN
flags in a separate protobuf field to make the ack compatible on both versions.
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