Github user StephanEwen commented on a diff in the pull request:
https://github.com/apache/flink/pull/612#discussion_r28814484
--- Diff:
flink-tests/src/test/java/org/apache/flink/test/recovery/AbstractProcessFailureRecoveryTest.java
---
@@ -112,9 +112,9 @@ public void testTaskManagerProcessFailure() {
Tuple2<String, Object> localAddress = new
Tuple2<String, Object>("localhost", jobManagerPort);
Configuration jmConfig = new Configuration();
-
jmConfig.setString(ConfigConstants.AKKA_WATCH_HEARTBEAT_INTERVAL, "1 s");
-
jmConfig.setString(ConfigConstants.AKKA_WATCH_HEARTBEAT_PAUSE, "4 s");
-
jmConfig.setInteger(ConfigConstants.AKKA_WATCH_THRESHOLD, 2);
+
jmConfig.setString(ConfigConstants.AKKA_WATCH_HEARTBEAT_INTERVAL, "1 ms");
--- End diff --
Is this really a good idea? Heartbeats every 1 ms? This is almost longer
than the TCP process-to-process roundtrip time. May be a bit too aggressive...
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