Kostas Kloudas created FLINK-4960:
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Summary: Enable testing of different re-scaling scenarios in the
AbstractStreamOperatorTestHarness to
Key: FLINK-4960
URL: https://issues.apache.org/jira/browse/FLINK-4960
Project: Flink
Issue Type: New Feature
Components: Tests
Reporter: Kostas Kloudas
Assignee: Kostas Kloudas
Fix For: 1.2.0
Currently the AbstractStreamOperatorTestHarness allows for testing scaling
up scenarios through snapshot and restore. This is not enough to check
scaling down scenarios or different combinations of up and down.
This issue targets to add this functionality so that an operator can snapshot
its state, restore with different parallelism, and later scale down or further
up.
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