Github user liyinan926 commented on a diff in the pull request: https://github.com/apache/spark/pull/20553#discussion_r178612630 --- Diff: docs/running-on-kubernetes.md --- @@ -549,14 +549,23 @@ specific to Spark on Kubernetes. <td><code>spark.kubernetes.driver.limit.cores</code></td> <td>(none)</td> <td> - Specify the hard CPU [limit](https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/#resource-requests-and-limits-of-pod-and-container) for the driver pod. + Specify a hard cpu [limit](https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/#resource-requests-and-limits-of-pod-and-container) for the driver pod. + </td> +</tr> +<tr> + <td><code>spark.kubernetes.executor.request.cores</code></td> + <td>(none)</td> + <td> + Specify the cpu request for each executor pod. Values conform to the Kubernetes [convention](https://kubernetes.io/docs/concepts/configuration/manage-compute-resources-container/#meaning-of-cpu). + This is distinct from <code>spark.executor.cores</code> and is only used for specifying executor pod cpu request if set. Task parallelism, e.g., number of tasks an executor can + run concurrently is not affected by this. --- End diff -- Done.
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