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  1. Spark
  2. SPARK-28751

Imporve java serializer deserialization performance

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    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Won't Fix
    • 3.0.0
    • None
    • Spark Core
    • None

    Description

      Improve the performance of java serializer deserialization by caching the resolved class. Java serializer is used in many places: closure, RPC and others. This change could improve the performance of deserialization 1.3X ~ 1.5X. Especially for java primitive instances.

      And also, add new UT tests and benchmarks case.

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              Unassigned Unassigned
              coneyliu Xianyang Liu
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