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https://issues.apache.org/jira/browse/TWILL-116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14622918#comment-14622918
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ASF GitHub Bot commented on TWILL-116:
--------------------------------------
Github user hsaputra commented on a diff in the pull request:
https://github.com/apache/incubator-twill/pull/52#discussion_r34398187
--- Diff: twill-api/src/main/java/org/apache/twill/api/TwillController.java
---
@@ -61,4 +63,31 @@
*/
@Nullable
ResourceReport getResourceReport();
+
+ /**
+ * Restart all instances of a particular {@link TwillRunnable}.
+ *
+ * @param runnable The name of the runnable to restart.
+ * @return A {@link Future} that will be completed when the restart
operation has been done.
+ */
+ Future<String> restartAllInstances(String runnable);
+
+ /**
+ * Restart instances of some {@link TwillRunnable}.
+ *
+ * @param runnableToInstanceIds A map of runnable ID to list of instance
IDs to be restarted.
+ * @return A {@link Future} that will be completed when the restart
operation has been done.
+ */
+ Future<Map<String, Set<Integer>>> restartInstances(Map<String,
Set<Integer>> runnableToInstanceIds);
--- End diff --
Will make this change with others with full pass =)
> Support for restart instances of runnable in an application
> -----------------------------------------------------------
>
> Key: TWILL-116
> URL: https://issues.apache.org/jira/browse/TWILL-116
> Project: Apache Twill
> Issue Type: New Feature
> Components: core
> Reporter: Albert Shau
> Assignee: Henry Saputra
> Fix For: 0.6.0-incubating
>
> Attachments: TWILL-116-design-4.pdf, TWILL-116-design-5.pdf,
> TWILL-116-design-6.pdf, TWILL-116-design-7.pdf, TWILL-116-design-final-2.pdf
>
>
> Once an application is running, it would be good to be able to stop, start,
> and restart a specific runnable of the application without affecting other
> runnables.
> For example, I may be running multiple services in a single application, with
> each service as a different runnable. One of my services gets into an invalid
> state. I now want to restart just that runnable and not the other ones that
> are running properly.
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