Prasanth Jayachandran created HIVE-12175:
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Summary: Upgrade Kryo version to 3.0.x
Key: HIVE-12175
URL: https://issues.apache.org/jira/browse/HIVE-12175
Project: Hive
Issue Type: Improvement
Components: Serializers/Deserializers
Affects Versions: 2.0.0
Reporter: Prasanth Jayachandran
Assignee: Prasanth Jayachandran
Current version of kryo (2.22) has some issue with serializing ArrayLists
generated using Arrays.asList(). We need to either replace all occurrences of
Arrays.asList() or change the current StdInstantiatorStrategy. This issue is
fixed in later versions and kryo community recommends using
DefaultInstantiatorStrategy with fallback to StdInstantiatorStrategy. More
discussion about this issue is here
https://github.com/EsotericSoftware/kryo/issues/216
Also, kryo 3.0 introduced unsafe based serialization which claims to have much
better performance for certain types of serialization.
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