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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-10135) The JobManager doesn't report the cluster-level metrics
Date Mon, 01 Oct 2018 11:19:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-10135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16633862#comment-16633862

ASF GitHub Bot commented on FLINK-10135:

zentol commented on a change in pull request #6702: [FLINK-10135] The JobManager does not
report the cluster-level metrics
URL: https://github.com/apache/flink/pull/6702#discussion_r221573282

 File path: flink-runtime/src/test/java/org/apache/flink/runtime/metrics/JobManagerMetricsTest.java
 @@ -0,0 +1,134 @@
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.flink.runtime.metrics;
+import org.apache.flink.configuration.ConfigConstants;
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.metrics.Gauge;
+import org.apache.flink.metrics.MetricConfig;
+import org.apache.flink.metrics.reporter.AbstractReporter;
+import org.apache.flink.runtime.metrics.groups.JobManagerMetricGroup;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+import static org.junit.Assert.fail;
+ * The test class for metrics report by job manager.
+ */
+public class JobManagerMetricsTest {
 Review comment:
   This isn't testing anything.
   What we want to ensure is that these metrics don't disappear again, and optionally that
the values are correct. For this you have to actually start runtime components, which could
be done with a `MiniCluster` (that is also configured to use the TestReporter) and have the
reporter search for the desired metrics.
   The `SystemResourcesMetricsITCase` may be a useful reference

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> The JobManager doesn't report the cluster-level metrics
> -------------------------------------------------------
>                 Key: FLINK-10135
>                 URL: https://issues.apache.org/jira/browse/FLINK-10135
>             Project: Flink
>          Issue Type: Bug
>          Components: JobManager, Metrics
>    Affects Versions: 1.5.0, 1.6.0, 1.7.0
>            Reporter: Joey Echeverria
>            Assignee: vinoyang
>            Priority: Critical
>              Labels: pull-request-available
> In [the documentation for metrics|https://ci.apache.org/projects/flink/flink-docs-release-1.5/monitoring/metrics.html#cluster]
in the Flink 1.5.0 release, it says that the following metrics are reported by the JobManager:
> {noformat}
> numRegisteredTaskManagers
> numRunningJobs
> taskSlotsAvailable
> taskSlotsTotal
> {noformat}
> In the job manager REST endpoint ({{http://<job-manager>:8081/jobmanager/metrics}}),
those metrics don't appear.

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