Clarkkkkk commented on a change in pull request #6759: [FLINK-10247][Metrics]
Run MetricQueryService in a dedicated actor system
URL: https://github.com/apache/flink/pull/6759#discussion_r221181734
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/taskexecutor/TaskManagerRunner.java
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@@ -419,6 +430,49 @@ public static RpcService createRpcService(
final String portRangeDefinition =
configuration.getString(TaskManagerOptions.RPC_PORT);
+ return bindWithPort(configuration, taskManagerHostname,
portRangeDefinition, AkkaExecutorMode.FORK_JOIN_EXECUTOR);
+ }
+
+ /**
+ * Create a RPC service for the metric query service.
+ *
+ * @param configuration The configuration for the TaskManager.
+ * @param haServices to use for the task manager hostname retrieval
+ */
+ public static RpcService createMetricQueryRpcService(
+ final Configuration configuration,
+ final HighAvailabilityServices haServices) throws Exception {
+
+ checkNotNull(configuration);
+ checkNotNull(haServices);
+
+ String taskManagerHostname =
configuration.getString(ConfigConstants.TASK_MANAGER_HOSTNAME_KEY, null);
+
+ if (taskManagerHostname != null) {
+ LOG.info("Using configured hostname/address for
MetricQueryService: {}.", taskManagerHostname);
+ } else {
+ Time lookupTimeout =
Time.milliseconds(AkkaUtils.getLookupTimeout(configuration).toMillis());
+
+ InetAddress taskManagerAddress =
LeaderRetrievalUtils.findConnectingAddress(
+ haServices.getResourceManagerLeaderRetriever(),
+ lookupTimeout);
+
+ taskManagerHostname = taskManagerAddress.getHostName();
+
+ LOG.info("MetricQueryService will use hostname/address
'{}' ({}) for communication.",
+ taskManagerHostname,
taskManagerAddress.getHostAddress());
+ }
+
+ final String portRangeDefinition =
configuration.getString(TaskManagerOptions.METRIC_QUERY_SERVICE_RPC_PORT);
+
+ return bindWithPort(configuration, taskManagerHostname,
portRangeDefinition, AkkaExecutorMode.SINGLE_THREAD_EXECUTOR);
+ }
+
+ private static RpcService bindWithPort(
+ Configuration configuration,
+ String taskManagerHostname,
+ String portRangeDefinition,
+ @Nonnull AkkaExecutorMode executorMode) throws Exception{
Review comment:
Sounds good.
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