Need a mechanism for data nodes to update generation stamps.
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Key: HADOOP-3283
URL: https://issues.apache.org/jira/browse/HADOOP-3283
Project: Hadoop Core
Issue Type: New Feature
Reporter: Tsz Wo (Nicholas), SZE
For implementing file append feature (HADOOP-1700), a generation stamp is added
to each block. We need a mechanism for data nodes to update generation stamps
for lease recovery.
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