Github user wangzhijiang999 commented on a diff in the pull request:
https://github.com/apache/flink/pull/3151#discussion_r100031031
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/taskexecutor/TaskManagerRunner.java
---
@@ -112,6 +114,13 @@ public TaskManagerRunner(
// Initialize the TM metrics
TaskExecutorMetricsInitializer.instantiateStatusMetrics(taskManagerMetricGroup,
taskManagerServices.getNetworkEnvironment());
+ HeartbeatManagerImpl heartbeatManager = new
HeartbeatManagerImpl(
+
taskManagerConfiguration.getTimeout().toMilliseconds(),
+ resourceID,
+ executor,
+ Executors.newSingleThreadScheduledExecutor(),
--- End diff --
Do you have further suggestions where to introduce the
**ScheduledExecutorService** seems suitable?
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