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https://issues.apache.org/jira/browse/FLINK-8360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16318913#comment-16318913
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ASF GitHub Bot commented on FLINK-8360:
---------------------------------------
Github user StephanEwen commented on a diff in the pull request:
https://github.com/apache/flink/pull/5239#discussion_r160492829
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/state/CheckpointStreamFactory.java
---
@@ -43,9 +44,9 @@ CheckpointStateOutputStream
createCheckpointStateOutputStream(
* Closes the stream factory, releasing all internal resources, but
does not delete any
* persistent checkpoint data.
*
- * @throws Exception Exceptions can be forwarded and will be logged by
the system
+ * @throws IOException Exceptions can be forwarded and will be logged
by the system
*/
- void close() throws Exception;
+ void close() throws IOException;
--- End diff --
I think this method is actually removed in the latest master.
> Implement task-local state recovery
> -----------------------------------
>
> Key: FLINK-8360
> URL: https://issues.apache.org/jira/browse/FLINK-8360
> Project: Flink
> Issue Type: New Feature
> Components: State Backends, Checkpointing
> Reporter: Stefan Richter
> Assignee: Stefan Richter
> Fix For: 1.5.0
>
>
> This issue tracks the development of recovery from task-local state. The main
> idea is to have a secondary, local copy of the checkpointed state, while
> there is still a primary copy in DFS that we report to the checkpoint
> coordinator.
> Recovery can attempt to restore from the secondary local copy, if available,
> to save network bandwidth. This requires that the assignment from tasks to
> slots is as sticky is possible.
> For starters, we will implement this feature for all managed keyed states and
> can easily enhance it to all other state types (e.g. operator state) later.
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