[jira] [Assigned] (FLINK-10857) Conflict between JMX and Prometheus Metrics reporter

["Chesnay Schepler (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-10857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chesnay Schepler reassigned FLINK-10857:
----------------------------------------

    Assignee: Chesnay Schepler

> Conflict between JMX and Prometheus Metrics reporter
> ----------------------------------------------------
>
>                 Key: FLINK-10857
>                 URL: https://issues.apache.org/jira/browse/FLINK-10857
>             Project: Flink
>          Issue Type: Bug
>          Components: Metrics
>    Affects Versions: 1.6.2
>            Reporter: Truong Duc Kien
>            Assignee: Chesnay Schepler
>            Priority: Major
>
> When registering both JMX and Prometheus metrics reporter, the Prometheus reporter will fail with many exceptions, such as.
>  
> {code:java}
> o.a.f.r.m.MetricRegistryImpl Error while registering metric.
> java.lang.IllegalArgumentException: Invalid metric name: flink_jobmanager.Status.JVM.Memory.Mapped_Count
> 	at org.apache.flink.shaded.io.prometheus.client.Collector.checkMetricName(Collector.java:182)
> 	at org.apache.flink.shaded.io.prometheus.client.SimpleCollector.<init>(SimpleCollector.java:164)
> 	at org.apache.flink.shaded.io.prometheus.client.Gauge.<init>(Gauge.java:68)
> 	at org.apache.flink.shaded.io.prometheus.client.Gauge$Builder.create(Gauge.java:74)
> 	at org.apache.flink.metrics.prometheus.AbstractPrometheusReporter.createCollector(AbstractPrometheusReporter.java:130)
> 	at org.apache.flink.metrics.prometheus.AbstractPrometheusReporter.notifyOfAddedMetric(AbstractPrometheusReporter.java:106)
> 	at org.apache.flink.runtime.metrics.MetricRegistryImpl.register(MetricRegistryImpl.java:329)
> 	at org.apache.flink.runtime.metrics.groups.AbstractMetricGroup.addMetric(AbstractMetricGroup.java:379)
> 	at org.apache.flink.runtime.metrics.groups.AbstractMetricGroup.gauge(AbstractMetricGroup.java:323)
> 	at org.apache.flink.runtime.metrics.util.MetricUtils.instantiateMemoryMetrics(MetricUtils.java:231)
> 	at org.apache.flink.runtime.metrics.util.MetricUtils.instantiateStatusMetrics(MetricUtils.java:100)
> 	at org.apache.flink.runtime.metrics.util.MetricUtils.instantiateJobManagerMetricGroup(MetricUtils.java:68)
> 	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.startClusterComponents(ClusterEntrypoint.java:342)
> 	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.runCluster(ClusterEntrypoint.java:233)
> 	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.lambda$startCluster$0(ClusterEntrypoint.java:191)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:422)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1869)
> 	at org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
> 	at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.startCluster(ClusterEntrypoint.java:190)
> 	at org.apache.flink.yarn.entrypoint.YarnJobClusterEntrypoint.main(YarnJobClusterEntrypoint.java:176)
> {code}
>  
> This is a small program to reproduce the problem:
> [https://github.com/dikei/flink-metrics-conflict-test]
>  
> I



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