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https://issues.apache.org/jira/browse/FLINK-5892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15984843#comment-15984843
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ASF GitHub Bot commented on FLINK-5892:
---------------------------------------
Github user StefanRRichter commented on a diff in the pull request:
https://github.com/apache/flink/pull/3770#discussion_r113413839
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/jobgraph/JobVertex.java ---
@@ -50,7 +50,14 @@
/** The ID of the vertex. */
private final JobVertexID id;
- private final ArrayList<JobVertexID> idAlternatives = new ArrayList<>();
+ /** The alternative IDs of the vertex. */
+ private final ArrayList<OperatorID> idAlternatives = new ArrayList<>();
--- End diff --
From the comments, this looks incorrect and I would expect a
`List<JobVertexID>`here
> Recover job state at the granularity of operator
> ------------------------------------------------
>
> Key: FLINK-5892
> URL: https://issues.apache.org/jira/browse/FLINK-5892
> Project: Flink
> Issue Type: New Feature
> Components: State Backends, Checkpointing
> Reporter: Guowei Ma
> Assignee: Guowei Ma
>
> JobGraph has no `Operator` info so `ExecutionGraph` can only recovery at the
> granularity of task.
> This leads to the result that the operator of the job may not recover the
> state from a save point even if the save point has the state of operator.
>
> https://docs.google.com/document/d/19suTRF0nh7pRgeMnIEIdJ2Fq-CcNVt5_hR3cAoICf7Q/edit#.
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