Github user hsaputra commented on a diff in the pull request:
https://github.com/apache/incubator-twill/pull/52#discussion_r34374463
--- 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 --
Why does it better?
I thought to keep it simple since we will just operate on the Set level for
the instance Ids
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