[jira] [Created] (FLINK-6475) Incremental snapshots in RocksDB hold lock during async file upload

[Shang Yuanchun (Jira)]

Stefan Richter created FLINK-6475:
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             Summary: Incremental snapshots in RocksDB hold lock during async file upload
                 Key: FLINK-6475
                 URL: https://issues.apache.org/jira/browse/FLINK-6475
             Project: Flink
          Issue Type: Bug
          Components: State Backends, Checkpointing
            Reporter: Stefan Richter
            Assignee: Stefan Richter
            Priority: Critical
             Fix For: 1.3.0


The implementation of incremental checkpoints in RocksDB mistakenly holds the {{asyncSnapshotLock}} during the whole async part, effectively blocking all asynchronous processing. Holding the lock is only required in the synchronous part, while the backup to local FS is running.



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