tgravescs commented on a change in pull request #24374: [SPARK-27366][CORE]
Support GPU Resources in Spark job scheduling
URL: https://github.com/apache/spark/pull/24374#discussion_r275375180
##########
File path:
core/src/test/scala/org/apache/spark/scheduler/CoarseGrainedSchedulerBackendSuite.scala
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@@ -184,3 +278,49 @@ class CoarseGrainedSchedulerBackendSuite extends
SparkFunSuite with LocalSparkCo
)
}
}
+
+/** Simple cluster manager that wires up our mock backend for the gpu resource
tests. */
+private class CSMockExternalClusterManager extends ExternalClusterManager {
+
+ var ts: TaskSchedulerImpl = _
+
+ val MOCK_REGEX = """coarseclustermanager\[(.*)\]""".r
+ def canCreate(masterURL: String): Boolean =
MOCK_REGEX.findFirstIn(masterURL).isDefined
+
+ def createTaskScheduler(
+ sc: SparkContext,
+ masterURL: String): TaskScheduler = {
+ ts = mock[TaskSchedulerImpl]
+ when(ts.sc).thenReturn(sc)
+ when(ts.applicationId()).thenReturn("appid1")
+ when(ts.applicationAttemptId()).thenReturn(Some("attempt1"))
+ when(ts.schedulingMode).thenReturn(SchedulingMode.FIFO)
+ when(ts.nodeBlacklist()).thenReturn(Set.empty[String])
+ val frameSize = RpcUtils.maxMessageSizeBytes(sc.conf)
+ val buffer = java.nio.ByteBuffer.allocate(frameSize/2)
Review comment:
not needed
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