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Fix it, then Ship it!





src/slave/containerizer/mesos/provisioner/docker/store.cpp
Lines 152 (patched)
<https://reviews.apache.org/r/72790/#comment310840>

    Can we add a comment for this `hashmap`? Like what is its key.



src/slave/containerizer/mesos/provisioner/docker/store.cpp
Line 362 (original), 384-385 (patched)
<https://reviews.apache.org/r/72790/#comment310841>

    A newline between.


- Qian Zhang


On Aug. 21, 2020, 1:06 a.m., Andrei Sekretenko wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/72790/
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> 
> (Updated Aug. 21, 2020, 1:06 a.m.)
> 
> 
> Review request for mesos and Qian Zhang.
> 
> 
> Bugs: MESOS-10169
>     https://issues.apache.org/jira/browse/MESOS-10169
> 
> 
> Repository: mesos
> 
> 
> Description
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> 
> This patch makes the docker store reuse a pending pull if asked for
> an image that is already being pulled.
> 
> The pull caching follows the same approach as the earlier attempt in
> https://reviews.apache.org/r/39331 . However, handing out futures to
> the store callers and handling their discards are performed differently,
> using a form of reference counting, so that the pull itself is discarded
> only if all the futures returned by `Store::get()` have been discarded.
> 
> 
> Diffs
> -----
> 
>   src/slave/containerizer/mesos/provisioner/docker/store.cpp bf2be90aa4fcd7541849a157eb6930b491ccf03a 
> 
> 
> Diff: https://reviews.apache.org/r/72790/diff/1/
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> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Andrei Sekretenko
> 
>