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  1. IMPALA
  2. IMPALA-3209

Optimize scanner memory usage and make scan nodes adhere to a memory constraint

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Duplicate
    • Affects Version/s: Impala 2.5.0
    • Fix Version/s: None
    • Component/s: Backend

      Description

      Scanner memory usage can grow quite large. We should optimize scanner memory usage, and also make it possible to provide an upper bound on scan node memory usage.

      Just filing this to track what we've been talking about.

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              • Assignee:
                kwho Michael Ho
                Reporter:
                dhecht Daniel Hecht
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                • Created:
                  Updated:
                  Resolved: