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  1. Hadoop HDFS
  2. HDFS-14531

Datanode's ScanInfo requires excessive memory

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    Details

    • Type: Bug
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: 2.0.0-alpha
    • Fix Version/s: None
    • Component/s: hdfs
    • Labels:
      None
    • Target Version/s:

      Description

      The DirectoryScanner's ScanInfo map consumes ~4.5X memory as replicas as the replica map.  For 1.1M replicas: the replica map is ~91M while the scan info is ~405M.

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              • Assignee:
                Unassigned
                Reporter:
                daryn Daryn Sharp
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                Dates

                • Created:
                  Updated: