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_r267197968
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File path: core/src/main/scala/org/apache/spark/SparkContext.scala
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@@ -2679,6 +2688,10 @@ object SparkContext extends Logging {
if (threadCount <= 0) {
throw new SparkException(s"Asked to run locally with $threadCount
threads")
}
+ if (cpusPerTask > threadCount) {
+ throw new SparkException(s"$threadCount threads available when run
local[$threads], " +
Review comment:
You already report threadCount in the message; local[threads] doesn't add
information. It can be removed
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