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https://issues.apache.org/jira/browse/TWILL-116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14623211#comment-14623211
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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_r34409405
--- Diff:
twill-yarn/src/test/java/org/apache/twill/yarn/EchoServerTestRun.java ---
@@ -107,6 +112,30 @@ public void run() {
controller.changeInstances("EchoServer", 2);
Assert.assertTrue(waitForSize(echoServices, 2, 120));
+ // Test restart on instances for runnable
+
+ TimeUnit.SECONDS.sleep(6L);
--- End diff --
Yes, that was the intention. Agree about the proposed change and makes the
test more deterministic. Will change to poll resource report with short sleep.
> 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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