Nathan Roberts created HDFS-8404:
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Summary: pending block replication can get stuck using older
genstamp
Key: HDFS-8404
URL: https://issues.apache.org/jira/browse/HDFS-8404
Project: Hadoop HDFS
Issue Type: Bug
Components: namenode
Affects Versions: 2.7.0, 2.6.0
Reporter: Nathan Roberts
Assignee: Nathan Roberts
If an under-replicated block gets into the pending-replication list, but later
the genstamp of that block ends up being newer than the one originally
submitted for replication, the block will fail replication until the NN is
restarted.
It will be safer if processPendingReplications() gets up-to-date blockinfo
before resubmitting replication work.
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