srowen commented on a change in pull request #24131: [SPARK-27192][Core]
spark.task.cpus should be less or equal than spark.executor.cores
URL: https://github.com/apache/spark/pull/24131#discussion_r267197847
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File path: core/src/main/scala/org/apache/spark/SparkContext.scala
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@@ -2665,8 +2665,17 @@ object SparkContext extends Logging {
// When running locally, don't try to re-execute tasks on failure.
val MAX_LOCAL_TASK_FAILURES = 1
+ val cpusPerTask = sc.conf.get(CPUS_PER_TASK)
+
+ def checkClusterExecutorCores(): Unit = if (sc.conf.get(EXECUTOR_CORES) <
cpusPerTask) {
+ throw new SparkException(s"${EXECUTOR_CORES.key} must not be <
${CPUS_PER_TASK.key}.")
+ }
+
master match {
case "local" =>
+ if (cpusPerTask > 1) {
Review comment:
I see, local == local[1]
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