[GitHub] [spark] dongjoon-hyun commented on a diff in pull request #37622: [SPARK-40187][DOCS] Add `Apache YuniKorn` scheduler docs

[GitBox <gi...@apache.org>]

dongjoon-hyun commented on code in PR #37622:
URL: https://github.com/apache/spark/pull/37622#discussion_r952850544


##########
docs/running-on-kubernetes.md:
##########
@@ -1811,6 +1811,50 @@ spec:
   queue: default
 ```
 
+#### Using Apache YuniKorn as Customized Scheduler for Spark on Kubernetes
+
+[Apache YuniKorn](https://yunikorn.apache.org/) is a resource scheduler for Kubernetes that provides advanced batch scheduling
+capabilities, such as job queuing, resource fairness, min/max queue capacity and flexible job ordering policies.
+For available Apache YuniKorn features, please refer to [this doc](https://yunikorn.apache.org/docs/next/get_started/core_features).
+
+##### Prerequisites
+
+Install Apache YuniKorn:
+
+```bash
+helm repo add yunikorn https://apache.github.io/yunikorn-release
+helm repo update
+kubectl create namespace yunikorn
+helm install yunikorn yunikorn/yunikorn --namespace yunikorn
+```
+
+the above steps will install the latest version of YuniKorn on an existing Kubernetes cluster.
+
+##### Get started
+
+Submit Spark jobs with the following extra options:
+
+```bash
+--conf spark.kubernetes.scheduler.name=yunikorn
+--conf spark.kubernetes.driver.annotation.yunikorn.apache.org/app-id={{APP_ID}}
+--conf spark.kubernetes.executor.annotation.yunikorn.apache.org/app-id={{APP_ID}}
+```
+
+Note, `{{APP_ID}}` is the builtin variable that will be substituted with Spark job ID automatically.

Review Comment:
   nit.
   - `Note,` -> `Note that`
   - `builtin` -> `built-in`



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