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_r265388630
##########
File path:
core/src/main/scala/org/apache/spark/network/netty/SparkTransportConf.scala
##########
@@ -36,16 +36,30 @@ object SparkTransportConf {
* @param numUsableCores if nonzero, this will restrict the server and
client threads to only
* use the given number of cores, rather than all of
the machine's cores.
* This restriction will only occur if these
properties are not already set.
+ * @param role optional role, could be driver, executor, worker
and master. Default is
+ * [[None]], means no role specific configurations.
*/
- def fromSparkConf(_conf: SparkConf, module: String, numUsableCores: Int =
0): TransportConf = {
+ def fromSparkConf(
+ _conf: SparkConf,
+ module: String,
+ numUsableCores: Int = 0,
+ role: Option[String] = None): 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.
+ // specify default thread configuration based on our JVM's allocation of
cores (rather than
+ // necessarily assuming we have all the machine's cores).
val numThreads = NettyUtils.defaultNumThreads(numUsableCores)
- conf.setIfMissing(s"spark.$module.io.serverThreads", numThreads.toString)
- conf.setIfMissing(s"spark.$module.io.clientThreads", numThreads.toString)
+ // module threads configuration
+ val (modServerThreads, modClientThreads) =
Review comment:
ok, let me try
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