[GitHub] Clarkkkkk commented on a change in pull request #6839: [FLINK-10253] Run MetricQueryService with lower priority

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Clarkkkkk commented on a change in pull request #6839: [FLINK-10253] Run MetricQueryService with lower priority
URL: https://github.com/apache/flink/pull/6839#discussion_r225103089
 
 

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 File path: flink-core/src/main/java/org/apache/flink/configuration/MetricOptions.java
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 @@ -156,6 +156,17 @@
 			"ports to avoid collisions when multiple Flink components are running on the same machine. Per default " +
 			"Flink will pick a random port.");
 
+	/**
+	 * The thread priority for Flink's internal metric query service. The {@code 1} means the min priority and the
+	 * {@code 10} means the max priority.
+	 */
+	public static final ConfigOption<Integer> QUERY_SERVICE_THREAD_PRIORITY =
+		key("metrics.internal.query-service.thread-priority")
+		.defaultValue(1)
+		.withDescription("The thread priority used for Flink's internal metric query service. The thread is created" +
+			" by Akka's thread pool executor. " +
+			"The range of the priority is from 1 (MIN_PRIORITY) to 10 (MAX_PRIORITY).");
+
 
 Review comment:
   Add a remind that increase this might affect the main component would be nicer.

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