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  1. Hadoop HDFS
  2. HDFS-6584

Support Archival Storage

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    Details

    • Type: New Feature
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.6.0
    • Component/s: balancer & mover, namenode
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      In most of the Hadoop clusters, as more and more data is stored for longer time, the demand for storage is outstripping the compute. Hadoop needs a cost effective and easy to manage solution to meet this demand for storage. Current solution is:

      • Delete the old unused data. This comes at operational cost of identifying unnecessary data and deleting them manually.
      • Add more nodes to the clusters. This adds along with storage capacity unnecessary compute capacity to the cluster.

      Hadoop needs a solution to decouple growing storage capacity from compute capacity. Nodes with higher density and less expensive storage with low compute power are becoming available and can be used as cold storage in the clusters. Based on policy the data from hot storage can be moved to cold storage. Adding more nodes to the cold storage can grow the storage independent of the compute capacity in the cluster.

        Attachments

        1. HDFSArchivalStorageDesign20140623.pdf
          152 kB
          Tsz-wo Sze
        2. HDFSArchivalStorageDesign20140715.pdf
          166 kB
          Tsz-wo Sze
        3. HDFS-6584.000.patch
          344 kB
          Jing Zhao
        4. h6584_20140907.patch
          372 kB
          Tsz-wo Sze
        5. h6584_20140908.patch
          373 kB
          Tsz-wo Sze
        6. archival-storage-testplan.pdf
          45 kB
          Jing Zhao
        7. h6584_20140908b.patch
          388 kB
          Jing Zhao
        8. h6584_20140911.patch
          395 kB
          Tsz-wo Sze
        9. h6584_20140911b.patch
          394 kB
          Jing Zhao
        10. h6584_20140915.patch
          397 kB
          Jing Zhao
        11. h6584_20140916.patch
          402 kB
          Jing Zhao
        12. h6584_20140916.patch
          400 kB
          Jing Zhao
        13. h6584_20140917.patch
          420 kB
          Jing Zhao
        14. h6584_20140917b.patch
          420 kB
          Jing Zhao
        15. h6584_20140918.patch
          425 kB
          Tsz-wo Sze
        16. h6584_20140918b.patch
          423 kB
          Tsz-wo Sze

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              • Assignee:
                szetszwo Tsz-wo Sze
                Reporter:
                szetszwo Tsz-wo Sze
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                Dates

                • Created:
                  Updated:
                  Resolved: