Github user mccheah commented on a diff in the pull request:
https://github.com/apache/spark/pull/21748#discussion_r202801155
--- Diff: docs/running-on-kubernetes.md ---
@@ -120,8 +120,8 @@ This URI is the location of the example jar that is
already in the Docker image.
## Client Mode
Starting with Spark 2.4.0, it is possible to run Spark applications on
Kubernetes in client mode. When running a Spark
-application in client mode, a separate pod is not deployed to run the
driver. When running an application in
-client mode, it is recommended to account for the following factors:
+application in client mode, a separate pod is not deployed to run the
driver. Your Spark driver does not need to run in
+a Kubernetes pod. When running an application in client mode, it is
recommended to account for the following factors:
--- End diff --
Think that's a bit wordy - perhaps, "When your application runs in client
mode, the driver process is run locally. The driver can run inside a pod or on
a physical host."
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