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https://issues.apache.org/jira/browse/FLINK-4615?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15494252#comment-15494252
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ASF GitHub Bot commented on FLINK-4615:
---------------------------------------
Github user ggevay commented on a diff in the pull request:
https://github.com/apache/flink/pull/2496#discussion_r79038567
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/operators/Driver.java ---
@@ -87,4 +87,6 @@
* @throws Exception Exceptions may be forwarded.
*/
void cancel() throws Exception;
+
+ void resetForIterativeTasks() throws Exception;
--- End diff --
Currently, the `ResettableDriver` interface extends the `Driver` interface.
I would say that for the moment, let's just start by making some of the drivers
resettable in this PR, and keep both interfaces around. And then when this PR
is merged, a second PR could make all the remaing drivers resettable as well.
And then a third one could merge the functionality of `ResettableDriver` into
`Driver`, and thus get rid of `ResettableDriver`.
> Reusing the memory allocated for the drivers and iterators
> ----------------------------------------------------------
>
> Key: FLINK-4615
> URL: https://issues.apache.org/jira/browse/FLINK-4615
> Project: Flink
> Issue Type: Sub-task
> Components: Local Runtime
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Fix For: 1.0.0
>
>
> Raising as a subtask so that individually can be committed and for better
> closer reviews.
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