[GitHub] vanzin closed pull request #21511: [SPARK-24491][Kubernetes] Configuration support for requesting GPUs on k8s

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

vanzin closed pull request #21511: [SPARK-24491][Kubernetes] Configuration support for requesting GPUs on k8s
URL: https://github.com/apache/spark/pull/21511
 
 
   

This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:

As this is a foreign pull request (from a fork), the diff is supplied
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diff --git a/resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/Config.scala b/resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/Config.scala
index bf33179ae3dab..6ba78f75689bf 100644
--- a/resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/Config.scala
+++ b/resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/Config.scala
@@ -104,6 +104,20 @@ private[spark] object Config extends Logging {
       .stringConf
       .createOptional
 
+  val KUBERNETES_EXECUTOR_LIMIT_GPUS =
+    ConfigBuilder("spark.kubernetes.executor.limit.gpus")
+      .doc("Specify the gpu request for each executor pod")
+      .stringConf
+      .createOptional
+
+  val KUBERNETES_EXECUTOR_GPU_PROVIDER =
+    ConfigBuilder("spark.kubernetes.executor.gpu.provider")
+      .doc("Specify the gpu provider for each executor pod")
+      .stringConf
+      .createWithDefault("nvidia.com")
+
+
+
   val KUBERNETES_DRIVER_POD_NAME =
     ConfigBuilder("spark.kubernetes.driver.pod.name")
       .doc("Name of the driver pod.")
diff --git a/resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/features/BasicExecutorFeatureStep.scala b/resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/features/BasicExecutorFeatureStep.scala
index 91c54a9776982..1b82b29b7baa0 100644
--- a/resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/features/BasicExecutorFeatureStep.scala
+++ b/resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/features/BasicExecutorFeatureStep.scala
@@ -67,6 +67,8 @@ private[spark] class BasicExecutorFeatureStep(
       executorCores.toString
     }
   private val executorLimitCores = kubernetesConf.get(KUBERNETES_EXECUTOR_LIMIT_CORES)
+  private val executorLimitGpus = kubernetesConf.get(KUBERNETES_EXECUTOR_LIMIT_GPUS)
+  private val gpuProvider = kubernetesConf.get(KUBERNETES_EXECUTOR_GPU_PROVIDER)
 
   override def configurePod(pod: SparkPod): SparkPod = {
     val name = s"$executorPodNamePrefix-exec-${kubernetesConf.roleSpecificConf.executorId}"
@@ -151,6 +153,16 @@ private[spark] class BasicExecutorFeatureStep(
           .endResources()
         .build()
     }.getOrElse(executorContainer)
+    val containerWithLimitGpus = executorLimitGpus.map { limitGpus =>
+      val executorGpuLimitQuantity = new QuantityBuilder(false)
+        .withAmount(limitGpus)
+        .build()
+      new ContainerBuilder(containerWithLimitCores)
+        .editResources()
+          .addToLimits(gpuProvider + "/gpu", executorGpuLimitQuantity)
+          .endResources()
+        .build()
+    }.getOrElse(containerWithLimitCores)
     val driverPod = kubernetesConf.roleSpecificConf.driverPod
     val executorPod = new PodBuilder(pod.pod)
       .editOrNewMetadata()
@@ -173,7 +185,7 @@ private[spark] class BasicExecutorFeatureStep(
         .addToImagePullSecrets(kubernetesConf.imagePullSecrets(): _*)
         .endSpec()
       .build()
-    SparkPod(executorPod, containerWithLimitCores)
+    SparkPod(executorPod, containerWithLimitGpus)
   }
 
   override def getAdditionalPodSystemProperties(): Map[String, String] = Map.empty


 

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