Till Rohrmann created FLINK-5229:
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Summary: Cleanup StreamTaskStates if a checkpoint operation of a
subsequent operator fails
Key: FLINK-5229
URL: https://issues.apache.org/jira/browse/FLINK-5229
Project: Flink
Issue Type: Bug
Components: State Backends, Checkpointing, TaskManager
Affects Versions: 1.1.3, 1.2.0
Reporter: Till Rohrmann
Assignee: Till Rohrmann
Fix For: 1.2.0, 1.1.4
Due to chaining, a {{StreamTask}} needs to checkpoint multiple operators. If
the first operators succeed in creating a checkpoint but a subsequent operator
in the chain fails, the {{StreamTask}} has to clean up the already completed
checkpoints. Otherwise we might end up with orphaned state data.
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