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From Benjamin Bannier <benjamin.bann...@mesosphere.io>
Subject Re: Review Request 63555: Publish resource provider resources before container launch or update.
Date Mon, 04 Dec 2017 13:17:17 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/63555/#review192693
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There exists a race between task launches and speculation failures in a provider of resources
(RP or agent itself). To remove the race between the agent's `UpdateSlaveMessage` and master's
`RunTaskMessage`/`RunTaskGroupMessage` we will add resource versions to the master's messages
and have the agent reject launches if the versions of used resource providers became incompatible,
see https://issues.apache.org/jira/browse/MESOS-8222.

I believe there is a similar race between resource providers' `UPDATE_STATE` calls and agents'
`PUBLISH` events, so we should inject versions there as well and have resource providers reject
`PUBLISH` events in case of incompatibility.

- Benjamin Bannier


On Nov. 4, 2017, 2:55 a.m., Chun-Hung Hsiao wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/63555/
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> 
> (Updated Nov. 4, 2017, 2:55 a.m.)
> 
> 
> Review request for mesos, Gilbert Song, Jie Yu, Joseph Wu, and Jan Schlicht.
> 
> 
> Bugs: MESOS-7550
>     https://issues.apache.org/jira/browse/MESOS-7550
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> `Slave::publishAllocatedResources()` will compute the total allocated
> resources for all currently running executor containers, and takes an
> `extra` argument for resources that will be used by the executor that
> is about to launch, then sums them up and asks the resource provider
> manager to publish the resources.
> 
> 
> Diffs
> -----
> 
>   src/slave/slave.hpp df1b0205124555dcb6a0efa5c237f5e77fa2bdf7 
>   src/slave/slave.cpp 337083dbe60bba2d3773b785bdceeaf0b8fcd070 
> 
> 
> Diff: https://reviews.apache.org/r/63555/diff/1/
> 
> 
> Testing
> -------
> 
> make check
> 
> 
> Thanks,
> 
> Chun-Hung Hsiao
> 
>


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