zhengruifeng created SPARK-27656:
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Summary: Safely register class for GraphX
Key: SPARK-27656
URL: https://issues.apache.org/jira/browse/SPARK-27656
Project: Spark
Issue Type: Improvement
Components: GraphX
Affects Versions: 2.4.3
Reporter: zhengruifeng
GraphX common classes (such as: Edge, EdgeTriplet) are not registered in Kryo
by default.
Users can register those classes via
{{GraphXUtils.{color:#ffc66d}registerKryoClasses{color}}}, however, it seems
that none graphx-lib impls call it, and users tend to ignore this registration.
So I prefer to safely register them in \{{KryoSerializer.scala}}, like what
SQL and ML do.
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