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  1. ORC
  2. ORC-91

Use hdfs v-blocks instead of zero-padding stripes

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 1.5.0
    • Component/s: None
    • Labels:
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      Description

      HDFS-3689 added variable length blocks to HDFS as a core feature.

      hsync(SyncFlag.END_BLOCK)

      can now end an HDFS block on disk without padding it out with zeros.

      The current space wasted in ORC to padding is 5%.

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            • Assignee:
              gopalv Gopal Vijayaraghavan
              Reporter:
              gopalv Gopal Vijayaraghavan
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              Dates

              • Created:
                Updated:
                Resolved: