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https://issues.apache.org/jira/browse/FLINK-8746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16374603#comment-16374603
]
ASF GitHub Bot commented on FLINK-8746:
---------------------------------------
Github user GJL commented on a diff in the pull request:
https://github.com/apache/flink/pull/5560#discussion_r170279814
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/jobmaster/JobMaster.java
---
@@ -1156,6 +1213,26 @@ private void disposeSavepoint(String savepointPath) {
}
}
+ /**
+ * Tries to restore the given {@link ExecutionGraph} from the provided
{@link SavepointRestoreSettings}.
+ *
+ * @param executionGraphToRestore {@link ExecutionGraph} which is
supposed to be restored
+ * @param savepointRestoreSettings {@link SavepointRestoreSettings}
containing information about the savepoint to restore from
+ * @throws Exception if the {@link ExecutionGraph} could not be restored
+ */
+ private void tryRestoreExecutionGraphFromSavepoint(ExecutionGraph
executionGraphToRestore, SavepointRestoreSettings savepointRestoreSettings)
throws Exception {
+ if (savepointRestoreSettings.restoreSavepoint()) {
+ final CheckpointCoordinator checkpointCoordinator =
executionGraphToRestore.getCheckpointCoordinator();
+ if (checkpointCoordinator != null) {
--- End diff --
I think at this point the `checkpointCoordinator` should not be `null`
(there already are checks before). Maybe replace it with a `checkState`.
> Support rescaling of jobs which are not fully running
> -----------------------------------------------------
>
> Key: FLINK-8746
> URL: https://issues.apache.org/jira/browse/FLINK-8746
> Project: Flink
> Issue Type: Improvement
> Components: Distributed Coordination
> Affects Versions: 1.5.0
> Reporter: Till Rohrmann
> Assignee: Till Rohrmann
> Priority: Major
> Labels: flip-6
> Fix For: 1.5.0
>
>
> We should support the rescaling of jobs which are only partially running.
> Currently, this fails because rescaling requires to take a savepoint. We can
> solve the problem by falling back to the latest rescaling savepoint.
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