Shixiong Zhu created SPARK-31245:
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Summary: Document the backward incompatibility issue for
Encoders.kryo and Encoders.javaSerialization
Key: SPARK-31245
URL: https://issues.apache.org/jira/browse/SPARK-31245
Project: Spark
Issue Type: Documentation
Components: Structured Streaming
Affects Versions: 3.0.0
Reporter: Shixiong Zhu
We should document that when a user uses Encoders.kryo or
Encoders.javaSerialization for state store, we don't guarantee binary
compatibility across different Spark versions because these two types of
encoders can be broken easily. Maybe add a new section after
http://spark.apache.org/docs/latest/structured-streaming-programming-guide.html#recovery-semantics-after-changes-in-a-streaming-query
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