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https://issues.apache.org/jira/browse/FLINK-5134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15899968#comment-15899968
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ASF GitHub Bot commented on FLINK-5134:
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Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/3455
The code in this PR looks good. Would be nice to have a test for the
merging on the `JobGraphGenerator` side, similar to the one for the
`StreamingJobGraphGenerator`.
A test that checks that includes a few chaining patterns, like chaining
sources / sinks, possibly iterations.
> Aggregate ResourceSpec for chained operators when generating job graph
> ----------------------------------------------------------------------
>
> Key: FLINK-5134
> URL: https://issues.apache.org/jira/browse/FLINK-5134
> Project: Flink
> Issue Type: Sub-task
> Components: DataStream API
> Reporter: zhijiang
> Assignee: zhijiang
>
> This is a part of fine-grained resource configuration in flip-6.
> In *JobGraph* generation, each *JobVertex* may contain a series of chained
> operators, and the resource of *JobVertex* should be aggregation of
> individual resource in chained operators.
> For memory resource in *JobVertex*, the aggregation is the sum formula for
> chained operators, and for cpu cores resource, the aggregation is the maximum
> formula for chained operators.
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