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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