Tsz Wo Nicholas Sze created HDFS-6700:
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Summary: BlockPlacementPolicy shoud choose storage but not
datanode for deletion
Key: HDFS-6700
URL: https://issues.apache.org/jira/browse/HDFS-6700
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Tsz Wo Nicholas Sze
Assignee: Tsz Wo Nicholas Sze
Priority: Minor
Attachments: h6700_20140717.patch
HDFS-2832 changed datanode storage model from a single storage, which may
correspond to multiple physical storage medias, to a collection of storages
with each storage corresponding to a physical storage media.
BlockPlacementPolicy.chooseReplicaToDelete still chooses replica in term of
DatanodeDescriptor but not DatanodeStorageInfo.
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