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From "Till Toenshoff (JIRA)" <>
Subject [jira] [Updated] (MESOS-2380) Mesos Anonymous Modules
Date Mon, 23 Feb 2015 04:50:11 GMT


Till Toenshoff updated MESOS-2380:
    Target Version/s: 0.22.0

> Mesos Anonymous Modules
> -----------------------
>                 Key: MESOS-2380
>                 URL:
>             Project: Mesos
>          Issue Type: Improvement
>          Components: master, modules, slave
>            Reporter: Till Toenshoff
>            Assignee: Till Toenshoff
> A new kind of module that does *not* receive any callbacks but simply coexists with its
parent process. 
> h4.Motivation and Use Cases
> We want to add customized and experimental capabilities that concern the life time of
Mesos components without protruding into Mesos source code and without creating new build
process dependencies for everybody.
> Example use cases:
> 1. An anonymous module that gathers fail-over incidents and reports summaries thereof
to a remote data sink.
> 2. A slave module that observes host computer metrics and correlates these with task
activity. This can be used to find resources leaks and to prevent, respectively guide, oversubscription.
> 3. Upgrades and provisioning that require shutdown and restart.
> h4.Module Classification
> Unlike other named modules, an anonymous module does not directly replace or provide
essential Mesos functionality (such as an Isolator module does). Unlike a decorator module
it does not directly add or inject data into Mesos core either.

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