Flink provides two abstract base TypeSerializerSnapshot classes that can be used for typical scenarios: SimpleTypeSerializerSnapshot and CompositeTypeSerializerSnapshot. Serializers that provide these predefined snapshots as their serializer snapshot must always have their own, independent subclass implementation. WebThe snapshot of the TypeSerializer is supposed to contain all information that affects the serialization format of the serializer. The snapshot serves two purposes: First, to reproduce the serializer when the checkpoint/savepoint is restored, and second, to check whether the serialization format is compatible with the serializer used in the ...
org.apache.flink.util.StateMigrationException java code examples
WebTypeSerializer rightSerializer) Method Summary All Methods Instance Methods Concrete Methods Methods inherited from class java.lang.Object clone, finalize, … WebA StateDescriptor for ListState.This can be used to create state where the type is a list that can be appended and iterated over. Using ListState is typically more efficient than manually maintaining a list in a ValueState, because the backing implementation can support efficient appends, rather than replacing the full list on write.. To create keyed list state (on a … cual fue el primer apple watch
org.apache.flink.api.java.typeutils.runtime.PojoSerializer
WebStringSerializer () Method Summary Methods inherited from class org.apache.flink.api.common.typeutils.base. TypeSerializerSingleton duplicate, ensureCompatibility, equals, hashCode, snapshotConfiguration Methods inherited from class java.lang. Object clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait … WebDec 4, 2024 · 2 Answers Sorted by: 1 I'd probably go with a heap state backend and a custom TypeSerializer. Heap state backend will only serialize the data on checkpoint … WebSep 1, 2024 · Flink has a built-in type info for case classes (CaseClassTypeInfo); why can't you use that / why do you need a custom serializer? Regardless, you could base it on … east asia mountain map