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  1. IMPALA
  2. IMPALA-9615

Make re2's max_mem option configurable via an Impala startup flag.

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    Details

    • Type: Improvement
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: Impala 3.4.0
    • Fix Version/s: None
    • Component/s: Backend
    • Labels:
    • Epic Color:
      ghx-label-2

      Description

      Right now Impala always uses the default max_mem value for re2 regexp pattern matching.

      For more memory consuming patterns this can cause the following error:
      "re2/re2.cc:667: DFA out of memory: size xxxxx, bytemap range xx, list count xxxxx".

      It would be nice if re2's max_mem option would be configurable via an Impala startup flag.

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              • Assignee:
                zgaraguly Zoltán Garaguly
                Reporter:
                attilaj Attila Jeges
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                Dates

                • Created:
                  Updated: