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https://issues.apache.org/jira/browse/FLINK-9662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16525864#comment-16525864
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Renjie Liu commented on FLINK-9662:
-----------------------------------

[~till.rohrmann] [~elevy] [~gzm55]

I think it's quite tricky to use job id as tags to achieve task manager 
isolation. In my opinion, task manage isolation and resource tags are two 
problems and should be adressed separately.  To share resources with same tag 
requirements, we just disable job isolation. But I agree to store job id 
assignment in task managers.  And I've drawn a sequence diagram for the new 
design. !job isolation sequence.jpg!

As with [~gzm55] 's problem, I think it's better to use expressions to define 
tag requirements.

> Task manager isolation for jobs
> -------------------------------
>
>                 Key: FLINK-9662
>                 URL: https://issues.apache.org/jira/browse/FLINK-9662
>             Project: Flink
>          Issue Type: New Feature
>          Components: Distributed Coordination
>    Affects Versions: 1.5.0, 1.6.0
>            Reporter: Renjie Liu
>            Assignee: Renjie Liu
>            Priority: Major
>             Fix For: 1.6.0
>
>         Attachments: job isolation sequence.jpg
>
>
> Disable task manager sharing for different jobs.



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