9uapaw commented on a change in pull request #4060:
URL: https://github.com/apache/hadoop/pull/4060#discussion_r831268938
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File path:
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/NodeLabel.md
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@@ -170,6 +170,14 @@ Applications can use following Java APIs to specify node
label to request
* `ResourceRequest.setNodeLabelExpression(..)` to set node label expression
for individual resource requests. This can overwrite node label expression set
in ApplicationSubmissionContext
* Specify `setAMContainerResourceRequest.setNodeLabelExpression` in
`ApplicationSubmissionContext` to indicate expected node label for application
master container.
+__Default AM node-label Configuration__
+
+Property | Value
+----- | ------
+yarn.resourcemanager.node-labels.am.default-node-label-expression | Besides
when ApplicationMaster of application is not specified any node-labels, then
the configuration will attach the default node-label to AM. The default of this
config is disabled.
+
Review comment:
Could you rephrase it to:
"Overwrites default-node-label-expression only for the ApplicationMaster
container. It is disabled by default."
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