Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/20388#discussion_r163737892
--- Diff:
launcher/src/main/java/org/apache/spark/launcher/AbstractAppHandle.java ---
@@ -29,15 +30,15 @@
private final LauncherServer server;
- private LauncherConnection connection;
+ private LauncherServer.ServerConnection connection;
private List<Listener> listeners;
- private State state;
+ private AtomicReference<State> state;
--- End diff --
What's the rationale behind this? Previously we just make sure all access
and modification to state is synchronized, are you changing it to
`AtomicReference` for performance reasons?
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