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  1. IMPALA
  2. IMPALA-4051

Avoid unnecessary copy of RowDescriptor into RowBatch

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Minor
    • Resolution: Won't Fix
    • Affects Version/s: Impala 2.7.0
    • Fix Version/s: None
    • Component/s: Backend
    • Labels:

      Description

      RowBatch::row_desc_ is a value rather than a reference/pointer. This is not the usual pattern and means that every time we copy a RowBatch we have to copy the embedded vectors, which requires memory allocations.

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            • Assignee:
              tarmstrong Tim Armstrong
              Reporter:
              tarmstrong Tim Armstrong
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              • Created:
                Updated:
                Resolved: