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  1. IMPALA
  2. IMPALA-6128 Spill-to-disk Encryption(AES-CFB + SHA256) can be a performance bottleneck while IO is getting faster
  3. IMPALA-6666

Impala 2.12 & 3.0 Docs: Use AES-GCM for spill-to-disk encryption when CLMUL instruction is present and performant

    Details

    • Type: Sub-task
    • Status: Closed
    • Priority: Major
    • Resolution: Won't Fix
    • Affects Version/s: Impala 3.0, Impala 2.12.0
    • Fix Version/s: Impala 3.0
    • Component/s: Docs
    • Labels:
      None
    • Epic Color:
      ghx-label-7

      Description

      This is a performance optimization for spill-to-disk when encryption is enabled. If running with an OpenSSL version with AES-GCM support on a CPU that supports the CLMUL instruction, this faster encryption mode will be used.

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            • Assignee:
              arodoni_cloudera Alex Rodoni
              Reporter:
              arodoni_cloudera Alex Rodoni
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              Dates

              • Created:
                Updated:
                Resolved: