Kihwal Lee created HDFS-16127:
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Summary: Improper pipeline close recovery causes a permanent write
failure or data loss.
Key: HDFS-16127
URL: https://issues.apache.org/jira/browse/HDFS-16127
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Kihwal Lee
While waiting for the final ack for the empty close packet, the main
DataStreamer thread can receive an exception even when the final ack was
received and pipelines close normally. This leads to an unnecessary close
recovery that results in a permanent write failure or a silent data loss.
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