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https://issues.apache.org/jira/browse/FLINK-10026?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephan Ewen reassigned FLINK-10026:
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Assignee: (was: boshu Zheng)
> Integrate heap based timers in RocksDB backend with incremental checkpoints
> ---------------------------------------------------------------------------
>
> Key: FLINK-10026
> URL: https://issues.apache.org/jira/browse/FLINK-10026
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Checkpointing
> Affects Versions: 1.6.0
> Reporter: Stefan Richter
> Priority: Major
>
> Currently, heap based priority queue state does not participate in RocksDB
> incremental checkpointing and still uses the legacy (synchronous) way of
> checkpointing timers.
> We should integrate it with incremental checkpoints in such way that the
> state is written non-incrementally into a file, and another key-grouped state
> handle becomes part of the non-shared section of the incremental state handle.
> After that we can also remove the path for legacy checkpointing completely
> and also remove the key-grouping from the de-duplication hash map in the
> {{HeapPriorityQueueSet}}. All can go into one map.
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