Github user BryanCutler commented on a diff in the pull request:
https://github.com/apache/spark/pull/9317#discussion_r43541805
--- Diff:
core/src/main/scala/org/apache/spark/deploy/client/AppClient.scala ---
@@ -77,6 +77,16 @@ private[spark] class AppClient(
private val registrationRetryThread =
ThreadUtils.newDaemonSingleThreadScheduledExecutor("appclient-registration-retry-thread")
+ private val receiveAndReplyMaxPoolSize = conf.getInt(
--- End diff --
I was hoping @zsxwing could chime in and help me understand the use cases
for this. I just arbitrarily chose 3 because it didn't seem to me like these
messages would come in a flurry and need many threads, but I don't know for
sure. Maybe a configurable max is also not necessary.
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