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https://issues.apache.org/jira/browse/FLINK-14106?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xintong Song closed FLINK-14106.
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Resolution: Done
> Make SlotManager pluggable
> --------------------------
>
> Key: FLINK-14106
> URL: https://issues.apache.org/jira/browse/FLINK-14106
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Coordination
> Affects Versions: 1.9.0
> Reporter: Xintong Song
> Assignee: Xintong Song
> Priority: Major
> Labels: stale-assigned
> Fix For: 1.11.0
>
>
> As we are enabling fine grained resource management in 1.10, we can have
> various resource scheduling strategies. Such strategies generally should make
> the following three decisions.
> * When to launch new / release existing TMs? (How many TMs)
> * What and how many resources should TMs be started with?
> * How to allocate between slot requests and TM resources?
> We may want to make above decisions differently in different scenarios
> (active/reactive mode, perjob/session mode, etc.). Therefore, we propose to
> make the scheduling strategies pluggable.
> We propose to make the following changes:
> * Make SlotManager an interface, and implements it differently for different
> strategies strategies.
> * Modify ResourceManager-SlotManager interfaces to cover all the three
> decisions mentioned above in SlotManager. In particular, SlotManager needs to
> allocate TM resources instead of slot resources from ResourceActions.
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