Sihua Zhou created FLINK-9325:
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Summary: generate the _meta file only when the writing is totally
successful
Key: FLINK-9325
URL: https://issues.apache.org/jira/browse/FLINK-9325
Project: Flink
Issue Type: Improvement
Components: State Backends, Checkpointing
Affects Versions: 1.5.0
Reporter: Sihua Zhou
Assignee: Sihua Zhou
We should generate the _meta file for checkpoint only when the writing is
totally successful. We should write the metadata file first to a temp file and
then atomically rename it (with an equivalent workaround for S3).
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