StefanRRichter commented on a change in pull request #6875: [FLINK-9808] [state
backends] Migrate state when necessary in state backends
URL: https://github.com/apache/flink/pull/6875#discussion_r226690598
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File path:
flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBKeyedStateBackend.java
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@@ -1389,6 +1388,149 @@ private void copyStateDataHandleData(
return Tuple2.of(stateInfo.f0, newMetaInfo);
}
+ private <N, S extends State, SV>
RegisteredKeyValueStateBackendMetaInfo<N, SV> migrateStateIfNecessary(
Review comment:
I have an ongoing effort to shrink the size of the
`RocksDBKeyedStateBackend` class. I think it is a good idea to move the
migration concern in a separate class file if possible to keep different
concerns more separated whereever possible.
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