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https://issues.apache.org/jira/browse/MESOS-2380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14333028#comment-14333028
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Till Toenshoff commented on MESOS-2380:
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commit 384587ee8695e45f9a3c5a854c3b9981093045c9
Author: Till Toenshoff <[email protected]>
Date: Mon Feb 23 05:26:54 2015 +0100
Introduced anonymous modules.
New kind of module that does __not__ receive any callbacks but simply
coexists with its parent (OS-)process.
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.
Review: https://reviews.apache.org/r/31252
commit 7ee3b7b672a4d8fee4fe4eb5f0aa2e7e3bf6b049
Author: Till Toenshoff <[email protected]>
Date: Mon Feb 23 05:27:28 2015 +0100
Added anonymous module example and tests.
Review: https://reviews.apache.org/r/31253
> Mesos Anonymous Modules
> -----------------------
>
> Key: MESOS-2380
> URL: https://issues.apache.org/jira/browse/MESOS-2380
> 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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