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https://issues.apache.org/jira/browse/FLINK-5730?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Richter updated FLINK-5730:
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Summary: Users can concurrently modify state metadata of RocksDB
asynchronous snapshots (was: User can concurrently modify state metadata of
RocksDB asynchronous snapshots)
> Users can concurrently modify state metadata of RocksDB asynchronous snapshots
> ------------------------------------------------------------------------------
>
> Key: FLINK-5730
> URL: https://issues.apache.org/jira/browse/FLINK-5730
> Project: Flink
> Issue Type: Bug
> Reporter: Stefan Richter
>
> The current implementation of asynchronous snapshots in RocksDB iterates the
> original state metadata structures as part of the asynchronous snapshot.
> Users could potentially modify the state metadata concurrently (e.g. by
> registering a new state while the snapshot is running), thereby corrupting
> the metadata.
> For the way most users are registering their states (at the start of the
> task), this is not a problem. However, if state is conditionally registered
> at some later point in time this can be problematic.
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