zjf2012 commented on a change in pull request #23560: [SPARK-26632][Core]
Separate Thread Configurations of Driver and Executor
URL: https://github.com/apache/spark/pull/23560#discussion_r264496248
##########
File path:
core/src/main/scala/org/apache/spark/network/netty/SparkTransportConf.scala
##########
@@ -39,13 +39,18 @@ object SparkTransportConf {
*/
def fromSparkConf(_conf: SparkConf, module: String, numUsableCores: Int =
0): TransportConf = {
val conf = _conf.clone
-
- // Specify thread configuration based on our JVM's allocation of cores
(rather than necessarily
- // assuming we have all the machine's cores).
- // NB: Only set if serverThreads/clientThreads not already set.
+ val executorId = conf.get("spark.executor.id", "")
+ val isDriver = executorId == SparkContext.DRIVER_IDENTIFIER ||
+ executorId == SparkContext.LEGACY_DRIVER_IDENTIFIER
+ val role = if (isDriver) "driver" else "executor"
Review comment:
@vanzin , ok, let me try. thanks.
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