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  1. Apache Drill
  2. DRILL-6002

Avoid memory copy from direct buffer to heap while spilling to local disk

    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 1.13.0
    • Component/s: None
    • Labels:

      Description

      When spilling to a local disk or to any file system that supports WritableByteChannel it is preferable to avoid copy from off-heap to java heap as WritableByteChannel can work directly with the off-heap memory.

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              • Assignee:
                vrozov Vlad Rozov
                Reporter:
                vrozov Vlad Rozov
                Reviewer:
                Paul Rogers
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                • Created:
                  Updated:
                  Resolved: