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Posted to issues@spark.apache.org by "Matthew (Jira)" <ji...@apache.org> on 2021/07/04 21:21:00 UTC

[jira] [Created] (SPARK-36009) Missing GraphX classes to registerKryoClasses util method

Matthew created SPARK-36009:
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             Summary: Missing GraphX classes to registerKryoClasses util method
                 Key: SPARK-36009
                 URL: https://issues.apache.org/jira/browse/SPARK-36009
             Project: Spark
          Issue Type: Bug
          Components: GraphX
    Affects Versions: 3.1.2
            Reporter: Matthew


{{VertexRDDImpl}} uses an {{RDD[ShippableVertexPartition[VD]]}} however, {{GraphXUtils.registerKryoClasses}} does not register {{ShippableVertexPartition}}. This means when running with {{spark.kryo.registrationRequired}} set to {{true}}, we get a "Class is not registered" exception. This is an issue as it prevents other unregistered classes from being discovered using {{spark.kryo.registrationRequired}} as the first unregistered class found halts the whole job. It also potentially decreases the serialised size of the RDD when using Kryo.



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