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From Andrei Sekretenko <>
Subject Review Request 72790: Deduplicated concurrent image pulls by docker store.
Date Thu, 20 Aug 2020 17:06:19 GMT

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Review request for mesos and Qian Zhang.

Bugs: MESOS-10169

Repository: mesos


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 . 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.


  src/slave/containerizer/mesos/provisioner/docker/store.cpp bf2be90aa4fcd7541849a157eb6930b491ccf03a




Andrei Sekretenko

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