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From "Tony Dong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AURORA-1472) TaskThrottle should have a configurable jitter
Date Thu, 24 Dec 2015 19:41:49 GMT

    [ https://issues.apache.org/jira/browse/AURORA-1472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15071206#comment-15071206
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Tony Dong commented on AURORA-1472:
-----------------------------------

Is this being worked on? cc [~StephanErb] [~wfarner] 
I'm bored and want something to work on.

> TaskThrottle should have a configurable jitter
> ----------------------------------------------
>
>                 Key: AURORA-1472
>                 URL: https://issues.apache.org/jira/browse/AURORA-1472
>             Project: Aurora
>          Issue Type: Story
>          Components: Scheduler
>            Reporter: Stephan Erb
>            Assignee: Stephan Erb
>              Labels: newbie
>
> As an Aurora cluster operator, I need the ability to configure a random jitter which
is added to the [throttle time of flapping jobs|https://github.com/apache/aurora/blob/06ddaadbcba4c66b8019815de6ca27d50a9df77d/src/main/java/org/apache/aurora/scheduler/scheduling/TaskThrottler.java#L73].

> Background information: Due to some cascading failures, we ended in a state where many
instances where throttled. Unfortunately, all these instances were restarted at the exact
same time. This overloaded a backend used for package retrieval. A random jitter would have
helped us to spread out the load on the backend service.



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