Github user wangzhijiang999 commented on a diff in the pull request:
https://github.com/apache/flink/pull/3151#discussion_r99734627
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/taskexecutor/TaskExecutor.java
---
@@ -741,6 +763,18 @@ private void establishJobManagerConnection(JobID
jobId, JobMasterGateway jobMast
jobManagerTable.put(jobId,
associateWithJobManager(jobMasterGateway, jobManagerLeaderId,
registrationSuccess.getBlobPort()));
}
+
heartbeatManager.monitorTarget(registrationSuccess.getResourceID(), new
HeartbeatTarget() {
+ @Override
+ public void sendHeartbeat(ResourceID resourceID, Object
payload) {
+
jobMasterGateway.heartbeatFromTaskManager(resourceID, payload);
+ }
+
+ @Override
+ public void requestHeartbeat(ResourceID resourceID,
Object payload) {
+ throw new UnsupportedOperationException("Should
never call requestHeartbeat in task manager.");
--- End diff --
My previous understanding is that the heartbeat is only requested from RM
and JM to TM, and the TM will only response the heartbeat. Do you mean the
heartbeat can both request from both sides? If to do so, the TM also needs to
schedule a heartbeat request at interval time.
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