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From Qian Zhang <zhq527...@gmail.com>
Subject Re: Review Request 72029: Changed termination logic of the default executor.
Date Thu, 30 Jan 2020 02:59:57 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/72029/#review219432
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src/launcher/default_executor.cpp
Lines 282-284 (patched)
<https://reviews.apache.org/r/72029/#comment307607>

    Can you add a comment for this code?



src/launcher/default_executor.cpp
Lines 1095-1096 (original), 1099-1100 (patched)
<https://reviews.apache.org/r/72029/#comment307608>

    I think this fail safe will be triggered if the agent doesn't send an ACK for any status
updates (rather than just terminal update).


- Qian Zhang


On Jan. 30, 2020, 5:28 a.m., Andrei Budnik wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/72029/
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> 
> (Updated Jan. 30, 2020, 5:28 a.m.)
> 
> 
> Review request for mesos, Andrei Sekretenko, Greg Mann, Qian Zhang, and Vinod Kone.
> 
> 
> Bugs: MESOS-8537
>     https://issues.apache.org/jira/browse/MESOS-8537
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> Previously, the default executor terminated itself after all containers
> had terminated. This could lead to termination of the executor before
> processing of a terminal status update by the agent. In order
> to mitigate this issue, the executor slept for one second to give a
> chance to send all status updates and receive all status update
> acknowledgements before terminating itself. This might have led to
> various race conditions in some circumstances (e.g., on a slow host).
> This patch terminates the default executor if all status updates have
> been acknowledged by the agent and no running containers left.
> Also, this patch increases the timeout from one second to one minute
> for fail-safety.
> 
> 
> Diffs
> -----
> 
>   src/launcher/default_executor.cpp 4369fd0052b2e8496ba63606fa57e17d881ea52c 
> 
> 
> Diff: https://reviews.apache.org/r/72029/diff/3/
> 
> 
> Testing
> -------
> 
> internal CI
> 
> 
> Thanks,
> 
> Andrei Budnik
> 
>


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