Tsz Wo Nicholas Sze created HDFS-6680:
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Summary: BlockPlacementPolicyDefault does not choose favored nodes
correctly
Key: HDFS-6680
URL: https://issues.apache.org/jira/browse/HDFS-6680
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Tsz Wo Nicholas Sze
In one of the chooseTarget(..) methods, it tries all the favoredNodes to
chooseLocalNode(..). It expects chooseLocalNode to return null if the local
node is not a good target. Unfortunately, chooseLocalNode will fallback to
chooseLocalRack but not returning null.
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