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https://issues.apache.org/jira/browse/FLINK-10253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16649984#comment-16649984
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ASF GitHub Bot commented on FLINK-10253:
----------------------------------------
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
##########
File path:
flink-core/src/main/java/org/apache/flink/configuration/MetricOptions.java
##########
@@ -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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> Run MetricQueryService with lower priority
> ------------------------------------------
>
> Key: FLINK-10253
> URL: https://issues.apache.org/jira/browse/FLINK-10253
> Project: Flink
> Issue Type: Sub-task
> Components: Metrics
> Affects Versions: 1.5.3, 1.6.0, 1.7.0
> Reporter: Till Rohrmann
> Assignee: vinoyang
> Priority: Critical
> Labels: pull-request-available
> Fix For: 1.7.0, 1.6.2, 1.5.5
>
>
> We should run the {{MetricQueryService}} with a lower priority than the main
> Flink components. An idea would be to start the underlying threads with a
> lower priority.
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