Ted Yu created HDFS-4724:
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Summary: Provide API for checking whether lease is recovered or not
Key: HDFS-4724
URL: https://issues.apache.org/jira/browse/HDFS-4724
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Ted Yu
recoverLease() returns a boolean indicating whether file has been successfully
finalized and closed. In case false is returned, client should use another API
to query whether lease is recovered or not.
Necessity for this new API stems from the fact that recoverLease()
unconditionally enqueues a block for recovery. So if client calls
recoverLease() continuously, previous recovery attempts would be preempted.
See HBASE-8389 and HDFS-4721 for such scenario.
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