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https://issues.apache.org/jira/browse/MESOS-3421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15086131#comment-15086131
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Jie Yu commented on MESOS-3421:
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[~anindya.sinha] So based on the discussion with [~bmahler] and I last time,
the consensus was to introduce ShareInfo in Resource and put reference count
there so that Resource arithmetics can be properly done. Is that still true for
MVP?
I would love to shepherd, but I am worried that I don't have enough cycles for
that. I'll chat with other committers this week see if they're willing to
shepherd this ticket. Sorry about the long delay.
> Support sharing of resources across task instances
> --------------------------------------------------
>
> Key: MESOS-3421
> URL: https://issues.apache.org/jira/browse/MESOS-3421
> Project: Mesos
> Issue Type: Improvement
> Components: general
> Affects Versions: 0.23.0
> Reporter: Anindya Sinha
> Assignee: Anindya Sinha
> Labels: external-volumes, persistent-volumes
>
> A service that needs persistent volume needs to have access to the same
> persistent volume (RW) from multiple task(s) instances on the same agent
> node. Currently, a persistent volume once offered to the framework(s) can be
> scheduled to a task and until that tasks terminates, that persistent volume
> cannot be used by another task.
> Explore providing the capability of sharing persistent volumes across task
> instances scheduled on a single agent node.
> Based on discussion within the community, we would allow sharing of resources
> in general, and add support to enable shareability for persistent volumes.
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