Daryn Sharp created HDFS-12174:
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Summary: DN commitBlockSynchronization needs delivery guarantee
Key: HDFS-12174
URL: https://issues.apache.org/jira/browse/HDFS-12174
Project: Hadoop HDFS
Issue Type: Bug
Components: datanode
Affects Versions: 2.0.0-alpha
Reporter: Daryn Sharp
The DN's attempt to send a successful commit block synchronization to the NN is
fire and forget. There are no retries. The file will linger open until the
hard lease timeout. Ideally this would be a queued item for guaranteed
delivery similar to IBRs.
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