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https://issues.apache.org/jira/browse/AURORA-1056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14290340#comment-14290340
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Jay Buffington commented on AURORA-1056:
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Here's the protobuf field I'm referencing:
https://issues.apache.org/jira/browse/AURORA/?selectedTab=com.atlassian.jira.jira-projects-plugin:issues-panel
> always send force_pull_image in ContainerInfo
> ---------------------------------------------
>
> Key: AURORA-1056
> URL: https://issues.apache.org/jira/browse/AURORA-1056
> Project: Aurora
> Issue Type: Bug
> Reporter: Jay Buffington
>
> mesos 0.21 introduced "force_pull_image" which IMHO, is a terrible idea and
> changed existing behavior.
> In 0.20 the image you specify will always be "docker pull"ed which means that
> if there was a newer version in the registry than the one in the cache you
> would get it.
> After 0.21 force_pull_image defaults to false, so unless you make a code
> change the "docker pull" doesn't happen. This means that if your cache has
> an older copy of the image, you run whatever happens to be in the cache.
> This results in starting 5 instances of the job, and 3 might one the old
> version (because it was cached on that slave) and 2 might one the new version
> (because those two slaves didn't have it cached), which is never what users
> want.
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