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From "Maxim Khutornenko (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AURORA-914) Instrument task scheduling pipeline
Date Tue, 04 Nov 2014 18:06:34 GMT

     [ https://issues.apache.org/jira/browse/AURORA-914?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Maxim Khutornenko updated AURORA-914:
-------------------------------------
    Sprint: Twitter Aurora Q4 Sprint 3

> Instrument task scheduling pipeline
> -----------------------------------
>
>                 Key: AURORA-914
>                 URL: https://issues.apache.org/jira/browse/AURORA-914
>             Project: Aurora
>          Issue Type: Task
>          Components: Scheduler
>            Reporter: Maxim Khutornenko
>            Assignee: Maxim Khutornenko
>
> We need a better instrumentation of the task scheduling loop to helps us troubleshoot
scheduling performance problems. Specifically:
> - Add {{@Timed}} in TaskScheduler.schedule() (inside the write lock)
> - Add {{@Timed}} in OfferQueue.launchFirst()
> - Add {{@Timed}} for every iteration of the OfferQueue.launchFirst() loop
> - Differentiate between "static" (e.g.: resource shortage) vs. "dynamic" (e.g.: constraint
mismatch) Vetos and add a counter to track each Veto type.



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