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https://issues.apache.org/jira/browse/FLINK-7970?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann closed FLINK-7970.
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Resolution: Later
This is still a valid problem but we will most likely address this problem as
part of the {{SlotPool}} refactoring which makes the {{SlotPool}} behave like a
real pool.
> SlotPool support batch allocating slots
> ---------------------------------------
>
> Key: FLINK-7970
> URL: https://issues.apache.org/jira/browse/FLINK-7970
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Coordination
> Reporter: shuai.xu
> Assignee: shuai.xu
> Priority: Trivial
> Labels: flip-6
> Attachments: sp.jpg
>
>
> Now all slot allocation is one by one from execution to slot pool. If batch
> allocate a number of slots to slot pool, then slot pool can assign its cached
> slots according to the global slot requests of all executions, so it can make
> an optimal matching between slot and execution, this is especially usefully
> for failover. For example, it can assign a slot to the execution whose state
> is just on the machine when failover.
> !https://issues.apache.org/jira/secure/attachment/12895566/sp.jpg!
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