joewitt commented on a change in pull request #3676: NIFI-6597 Azure Event Hub 
Version Update
URL: https://github.com/apache/nifi/pull/3676#discussion_r336016995
 
 

 ##########
 File path: 
nifi-nar-bundles/nifi-azure-bundle/nifi-azure-processors/src/main/java/org/apache/nifi/processors/azure/eventhub/GetAzureEventHub.java
 ##########
 @@ -312,11 +317,13 @@ public void onScheduled(final ProcessContext context) 
throws ProcessException, U
             receiverFetchTimeout = null;
         }
 
-        final String connectionString = new ConnectionStringBuilder(new 
URI("amqps://"+namespace+serviceBusEndpoint), eventHubName, policyName, 
policyKey).toString();
-        setupReceiver(connectionString);
+        final int numThreads = context.getMaxConcurrentTasks();
+        executor = Executors.newScheduledThreadPool(numThreads);
 
 Review comment:
   Consider having a user defined property for how many threads to give the 
thread pool that event hubs client uses.  Having it be the same as the number 
of threads NiFi uses means double of everything.  For most cases this would be 
unnecessary.  Alternatively this could be added later but good documentation 
should be provided to the user to understand how the resources are being used.  
We offer processor annotations for this which cause this to show up to the end 
user so they can reason over their selections. 

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