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new b933f5f YARN-11001. Add docs on removing node label mapping from a
node. Contributed by Manu Zhang
b933f5f is described below
commit b933f5f54b7cc6e46f33da3e15065ab9ebe52939
Author: Szilard Nemeth <snem...@apache.org>
AuthorDate: Mon Nov 15 16:02:18 2021 +0100
YARN-11001. Add docs on removing node label mapping from a node.
Contributed by Manu Zhang
---
.../hadoop-yarn/hadoop-yarn-site/src/site/markdown/NodeLabel.md | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/NodeLabel.md
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/NodeLabel.md
index 39d8311..32545f3 100644
---
a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/NodeLabel.md
+++
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/NodeLabel.md
@@ -85,7 +85,8 @@ Notes:
###Add/modify node-to-labels mapping to YARN
* Configuring nodes to labels mapping in **Centralized** NodeLabel setup
- * Executing ```yarn rmadmin -replaceLabelsOnNode “node1[:port]=label1
node2=label2” [-failOnUnknownNodes]```. Added label1 to node1, label2 to node2.
If user don’t specify port, it adds the label to all ```NodeManagers``` running
on the node. If option ```-failOnUnknownNodes``` is set, this command will fail
if specified nodes are unknown.
+ * Executing ```yarn rmadmin -replaceLabelsOnNode "node1[:port]=label1
node2=label2" [-failOnUnknownNodes]``` adds label1 to node1, label2 to node2.
If user doesn’t specify port, it adds the label to all ```NodeManagers```
running on the node. If option ```-failOnUnknownNodes``` is set, this command
will fail if specified nodes are unknown.
+ * To remove mapping from a node, use `-replaceLabelsOnNode` but do not
specify any labels. For example, ```yarn rmadmin -replaceLabelsOnNode
"node1"``` removes label1 from node1.
* Configuring nodes to labels mapping in **Distributed** NodeLabel setup
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