Yu Li created FLINK-11729:
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Summary: Make all state backends follow builder pattern
Key: FLINK-11729
URL: https://issues.apache.org/jira/browse/FLINK-11729
Project: Flink
Issue Type: Improvement
Components: State Backends, Checkpointing
Reporter: Yu Li
Assignee: Yu Li
In FLINK-10043 we have introduced builder pattern for
{{RocksDBKeyedStateBackend}} and moved all necessary initialization of the
backend into the builder, out of which the most important part is the
{{restore}} operation. None of the backends could actually supply service
before the restore operation is done, so it's native to make restore part of
the _building phase_.
In this JIRA we propose to make all backends follow the builder pattern. More
specifically, create builders for {{HeapKeyedStateBackend}} and
{{DefaultOperatorStateBackend}} and move their {{restore}} operations into the
builders. Will create sub-tasks for each of them.
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