Github user mxm commented on a diff in the pull request:
https://github.com/apache/flink/pull/1978#discussion_r63683193
--- Diff:
flink-yarn/src/main/java/org/apache/flink/yarn/YarnClusterClient.java ---
@@ -211,14 +191,41 @@ public void run() {
Runtime.getRuntime().addShutdownHook(clientShutdownHook);
isConnected = true;
+
+ logAndSysout("Waiting until all TaskManagers have connected");
+
+ while(true) {
+ GetClusterStatusResponse status = getClusterStatus();
+ if (status != null) {
+ if (status.numRegisteredTaskManagers() <
clusterDescriptor.getTaskManagerCount()) {
+ logAndSysout("TaskManager status (" +
status.numRegisteredTaskManagers() + "/"
+ +
clusterDescriptor.getTaskManagerCount() + ")");
+ } else {
+ logAndSysout("All TaskManagers are
connected");
+ break;
+ }
+ } else {
+ logAndSysout("No status updates from the YARN
cluster received so far. Waiting ...");
+ }
+
+ try {
+ Thread.sleep(500);
+ }
+ catch (InterruptedException e) {
+ LOG.error("Interrupted while waiting for
TaskManagers");
+ System.err.println("Thread is interrupted");
+ Thread.currentThread().interrupt();
--- End diff --
This is the old code that was used for deployment. Though at a different
place. Would be good to make it interruptible and cleanup everything.
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