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https://issues.apache.org/jira/browse/FLINK-5133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15882749#comment-15882749
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ASF GitHub Bot commented on FLINK-5133:
---------------------------------------
Github user StephanEwen commented on a diff in the pull request:
https://github.com/apache/flink/pull/3303#discussion_r102942657
--- Diff:
flink-core/src/main/java/org/apache/flink/api/common/operators/Operator.java ---
@@ -45,6 +45,10 @@
private int parallelism = ExecutionConfig.PARALLELISM_DEFAULT; // the
number of parallel instances to use
+ private ResourceSpec minResource; // the minimum
resource of the contract instance. optional
--- End diff --
In the newer code changes, we started using annotations like `@Nullable`
(javax.annotation.Nullable) to mark fields that may be null. We found that this
helps in code readability and in automatic bug detection in IntelliJ.
I would encourage you to use that as well, if this field can be null.
> Support to set resource for operator in DataStream and DataSet
> --------------------------------------------------------------
>
> Key: FLINK-5133
> URL: https://issues.apache.org/jira/browse/FLINK-5133
> Project: Flink
> Issue Type: Sub-task
> Components: DataSet API, DataStream API
> Reporter: zhijiang
> Assignee: zhijiang
>
> This is part of the fine-grained resource configuration.
> For *DataStream*, the *setResource* API will be setted onto
> *SingleOutputStreamOperator* similar with other existing properties like
> parallelism, name, etc.
> For *DataSet*, the *setResource* API will be setted onto *Operator* in the
> similar way.
> There are two parameters described with minimum *ResourceSpec* and maximum
> *ResourceSpec* separately in the API for considering resource resize in
> future improvements.
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