Github user ash211 commented on a diff in the pull request:
https://github.com/apache/spark/pull/19217#discussion_r146492057
--- Diff:
launcher/src/main/java/org/apache/spark/launcher/LauncherServer.java ---
@@ -232,20 +232,20 @@ public void run() {
};
ServerConnection clientConnection = new ServerConnection(client,
timeout);
Thread clientThread = factory.newThread(clientConnection);
- synchronized (timeout) {
- clientThread.start();
- synchronized (clients) {
- clients.add(clientConnection);
- }
- long timeoutMs = getConnectionTimeout();
- // 0 is used for testing to avoid issues with clock resolution /
thread scheduling,
- // and force an immediate timeout.
- if (timeoutMs > 0) {
- timeoutTimer.schedule(timeout, getConnectionTimeout());
- } else {
- timeout.run();
- }
+ synchronized (clients) {
+ clients.add(clientConnection);
--- End diff --
we are now adding to `clients` before starting the `clientThread` instead
of after. What's the expected ordering for these two operations?
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