Github user beyond1920 commented on a diff in the pull request:
https://github.com/apache/flink/pull/2451#discussion_r77757943
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/rpc/resourcemanager/ResourceManager.java
---
@@ -138,22 +150,46 @@ public SlotAssignment requestSlot(SlotRequest
slotRequest) {
/**
- *
- * @param resourceManagerLeaderId The fencing token for the
ResourceManager leader
+ * Register a taskExecutor at the resource manager
+ * @param resourceManagerLeaderId The fencing token for the
ResourceManager leader
* @param taskExecutorAddress The address of the TaskExecutor that
registers
* @param resourceID The resource ID of the TaskExecutor
that registers
*
* @return The response by the ResourceManager.
*/
@RpcMethod
- public org.apache.flink.runtime.rpc.registration.RegistrationResponse
registerTaskExecutor(
- UUID resourceManagerLeaderId,
- String taskExecutorAddress,
- ResourceID resourceID) {
+ public Future<RegistrationResponse> registerTaskExecutor(
+ final UUID resourceManagerLeaderId,
+ final String taskExecutorAddress,
+ final ResourceID resourceID) {
+
+ if(!leaderSessionID.equals(resourceManagerLeaderId)) {
+ log.warn("Discard registration from TaskExecutor {} at
({}) because the expected leader session ID {} did not equal the received
leader session ID {}",
+ resourceID, taskExecutorAddress,
leaderSessionID, resourceManagerLeaderId);
+ return Futures.failed(new
UnmatchedLeaderSessionIDException(leaderSessionID, resourceManagerLeaderId));
--- End diff --
Do you prefer to send a Decline message under the condition?
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
