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  1. Spark
  2. SPARK-22692

Reduce the number of generated mutable states

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.3.0
    • Fix Version/s: 2.3.0
    • Component/s: SQL
    • Labels:
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      Description

      A large number of mutable states can cause a error during code generation due to reaching the constant pool limit. There is an ongoing effort on SPARK-18016 to fix the problem, nonetheless we can also alleviate it avoiding to create a global variables when they are not needed.

      Therefore I am creating this umbrella ticket to track the elimination of usage of global variables where not needed. This is not a duplicate or an alternative to SPARK-18016: this is a complementary effort which can help together with it to support wider datasets.

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            • Assignee:
              mgaido Marco Gaido
              Reporter:
              mgaido Marco Gaido
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              • Created:
                Updated:
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