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From Greg Mann <g...@mesosphere.io>
Subject Re: Review Request 66144: Enforced task launch order on the agent.
Date Mon, 02 Apr 2018 23:57:43 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/66144/#review200329
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Fix it, then Ship it!





src/slave/slave.cpp
Line 2233 (original), 2274 (patched)
<https://reviews.apache.org/r/66144/#comment281033>

    We should defer this callback.



src/slave/slave.cpp
Lines 2275 (patched)
<https://reviews.apache.org/r/66144/#comment281034>

    Ditto regarding naming of `framework_` here.


- Greg Mann


On April 2, 2018, 6:04 p.m., Meng Zhu wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/66144/
> -----------------------------------------------------------
> 
> (Updated April 2, 2018, 6:04 p.m.)
> 
> 
> Review request for mesos, Chun-Hung Hsiao and Greg Mann.
> 
> 
> Bugs: MESOS-8617 and MESOS-8624
>     https://issues.apache.org/jira/browse/MESOS-8617
>     https://issues.apache.org/jira/browse/MESOS-8624
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> Up until now, Mesos does not guarantee in-order
> task launch on the agent. There are two asynchronous
> steps (unschedule GC and task authorization) in the
> agent task launch path. Depending on the CPU scheduling
> order, a later task launch may finish these two steps earlier
> than its predecessors and get to the launch executor stage
> earlier, resulting in out-of-order task delivery.
> 
> This patch enforces the task delivery order by sequencing
> task launch after the two asynchronous steps, specifically
> right before entering `__run()`.
> 
> 
> Diffs
> -----
> 
>   src/slave/slave.hpp 37f0361251524e63d02d251e8a03901812b8affb 
>   src/slave/slave.cpp a4bd4ccd3fc59c3c0e462d9b480f5424b3e52d7a 
> 
> 
> Diff: https://reviews.apache.org/r/66144/diff/7/
> 
> 
> Testing
> -------
> 
> make check
> 
> 
> Thanks,
> 
> Meng Zhu
> 
>


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