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  1. Hadoop HDFS
  2. HDFS-15254

Namenode should have a favored ssd nodes hint for ssd related storagy policy

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    Details

    • Type: New Feature
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: block placement
    • Labels:
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      Description

      We use ONE_SSD as storagy policy in HBase,but when using bulkload,i found it could not specify a datanode to placement the SSD replica,so the regionserver that hold the region will read the local DISK replica,because the SSD replica is in remote node.

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