[jira] [Created] (FLINK-7969) Resource manager support batch request slots

[Shang Yuanchun (Jira)]

shuai.xu created FLINK-7969:
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             Summary: Resource manager support batch request slots
                 Key: FLINK-7969
                 URL: https://issues.apache.org/jira/browse/FLINK-7969
             Project: Flink
          Issue Type: Improvement
          Components: ResourceManager
            Reporter: shuai.xu


Now resource manager only support requesting slot one by one, it's better to make it support batch allocating alots, so that it can make a global decision with all the resource requests. For example: it can decide how many slots should be put into one task manager.
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