dongjoon-hyun commented on a change in pull request #35955:
URL: https://github.com/apache/spark/pull/35955#discussion_r833871962
##########
File path: docs/running-on-kubernetes.md
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@@ -1713,6 +1713,25 @@ spec:
image: will-be-overwritten
```
+#### Customized Kubernetes Schedulers for Spark on Kubernetes
+
+Spark allows users to specify a custom Kubernetes schedulers.
+
+1. Specify scheduler name.
+
+ Users can specify a custom scheduler using
<code>spark.kubernetes.scheduler.name</code> or
+ <code>spark.kubernetes.{driver/executor}.scheduler.name</code>
configuration.
+
+2. Specify scheduler related configurations.
+
+ To configure the custom scheduler the user can use [Pod
templates](#pod-template), add labels
(<code>spark.kubernetes.{driver,executor}.label.*</code>) and/or annotations
(<code>spark.kubernetes.{driver/executor}.annotation.*</code>).
+
+3. Specify scheduler feature step.
+
+ Users may also consider to use
<code>spark.kubernetes.{driver/executor}.pod.featureSteps</code> to support
more complex requirements, including but not limited to:
+ - Create additional Kubernetes custom resources for driver/executor
scheduling.
+ - Set scheduler hints according to configuration or existing Pod info
dynamically.
Review comment:
What does this refer in Volcano scheduler?
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