xiaogang zhou created FLINK-22008:
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Summary: writing metadata is not an atomic operation, we should
add a commit logic
Key: FLINK-22008
URL: https://issues.apache.org/jira/browse/FLINK-22008
Project: Flink
Issue Type: Improvement
Components: Runtime / Checkpointing
Affects Versions: 1.12.2
Reporter: xiaogang zhou
writing metadata is not an atomic operation, some logic can cause there is a
metadata file in the checkpoint dir, but the data is corrupted if the
jobmanager crash while writing the metadata.
So we should consider to add commit operation in the checkpoint storage location
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