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From Benjamin Bannier <benjamin.bann...@mesosphere.io>
Subject Re: Review Request 69337: Garbage collected disappeared resource providers from master state.
Date Mon, 17 Dec 2018 10:00:51 GMT


> On Dec. 14, 2018, 8:07 p.m., Chun-Hung Hsiao wrote:
> > src/master/master.cpp
> > Lines 8208 (patched)
> > <https://reviews.apache.org/r/69337/diff/3/?file=2114080#file2114080line8208>
> >
> >     Does it make sense to move this line before L8016

I am not sure what you have in mind.

It seems that performing this removal earlier makes the code look scarier than it is -- we'd
e.g., expect readers to understand that in the current loop around l.8016, we do not touch
RPs which hadn't been removed in some GC step.

Please clarify or drop.


- Benjamin


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On Dec. 14, 2018, 4:56 p.m., Benjamin Bannier wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/69337/
> -----------------------------------------------------------
> 
> (Updated Dec. 14, 2018, 4:56 p.m.)
> 
> 
> Review request for mesos, Chun-Hung Hsiao and Jan Schlicht.
> 
> 
> Bugs: MESOS-9384
>     https://issues.apache.org/jira/browse/MESOS-9384
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> The master previously kept information on resource providers
> indefinitely. This was confusing to API users who saw resource
> providers reported which where not present anymore, and also made it
> harder to derive actual cluster state.
> 
> With this patch we remove resource providers not reported by the agent
> from master state. We still need to update the agent to not report
> removed resource providers in a follow-up patch.
> 
> 
> Diffs
> -----
> 
>   src/master/master.cpp 3de0fd35cc815f4b5787ee2cb5e81f5059d7a47c 
>   src/messages/messages.proto 41e6a8a2eab0ae7c2878c1d3286c5dea0eb68ed7 
> 
> 
> Diff: https://reviews.apache.org/r/69337/diff/3/
> 
> 
> Testing
> -------
> 
> `make check`
> 
> 
> Thanks,
> 
> Benjamin Bannier
> 
>


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