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From "James Peach (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MESOS-3075) introduce QuiesceOffers message
Date Fri, 17 Jul 2015 17:23:04 GMT

     [ https://issues.apache.org/jira/browse/MESOS-3075?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

James Peach updated MESOS-3075:
-------------------------------
    Attachment: MESOS-3075.tiff

Attached screenshot of %user CPU usage for meson-master. The purple is unmodified 0.22.1,
the brown is with the changes from MESOS-3052, and the final blue is with a compatibility
patch that implements the QuiesceOffers semantic.

> introduce QuiesceOffers message
> -------------------------------
>
>                 Key: MESOS-3075
>                 URL: https://issues.apache.org/jira/browse/MESOS-3075
>             Project: Mesos
>          Issue Type: Improvement
>            Reporter: James Peach
>         Attachments: MESOS-3075.tiff
>
>
> When there are a large number of slaves and a large number of frameworks, allocation
performance suffers as the list of refused filters grows. Once a framework hits its target,
it ends up having to refused offers all the time. It is more effective to simply request that
it no longer receive offers.
> The QuiesceOffers message requests that the framework no longer receive offers. It has
similar semantics to declining an offer. The quiescence is persisted across framework failures,
and can be lifted using ReviveOffers. The proposed protobuf signature for this is:
> {code}
> diff --git a/src/messages/messages.proto b/src/messages/messages.proto
> index 165a16d..1b4475a 100644
> --- a/src/messages/messages.proto
> +++ b/src/messages/messages.proto
> @@ -188,6 +188,10 @@ message ReviveOffersMessage {
>    required FrameworkID framework_id = 1;
>  }
> +message QuiesceOffersMessage {
> +  required FrameworkID framework_id = 1;
> +  optional double quiesce_seconds = 2;
> +}
> {code}
> If {{quiesce_seconds}} is not specified, the quiescence is indefinite (ie. applied until
the next ReviveOffers).



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