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https://issues.apache.org/jira/browse/FLINK-10300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16607051#comment-16607051
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Helmut Zechmann edited comment on FLINK-10300 at 9/10/18 5:12 AM:
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Yes, we had the problem with flink 1.5.2, but I also reproduced it with flink
1.5.1 and 1.5.3 using the steps described above.
was (Author: lethum):
Yes, we had the problem with flink 1.5.2, but I also reproduced it with flink
1.5.3 using the steps described above.
> Prometheus job level metrics not removed after job finished
> -----------------------------------------------------------
>
> Key: FLINK-10300
> URL: https://issues.apache.org/jira/browse/FLINK-10300
> Project: Flink
> Issue Type: Bug
> Components: Metrics
> Affects Versions: 1.5.1, 1.5.2, 1.5.3
> Reporter: Helmut Zechmann
> Priority: Major
>
> Flink provides job level metrics for flink jobs. After a job is finished
> those metrics should be removed, else we run into problems when many jobs are
> executed on a cluster.
> How to reproduce this:
> Setup:
> * flink 1.5.3 in standalone mode
> * 1 JobManager
> * 1 TaskManager
> * flink-metrics-prometheus-1.5.3.jar in lib dir
> Metrics config:
> {code:java}
> metrics.reporters: prom
> metrics.reporter.prom.class:
> org.apache.flink.metrics.prometheus.PrometheusReporter
> metrics.reporter.prom.port: 7000-7001
> {code}
> Run the wordcount job. After running the job, job related metrics are still
> available:
>
> {code:java}
> flink_taskmanager_Status_JVM_GarbageCollector_G1_Old_Generation_Count{tm_id="ee893c28f70d285e701f838706ce8810",host="helmuts_mbp",}
> 1.0
> # HELP flink_taskmanager_job_task_operator_numRecordsOutPerSecond
> numRecordsOutPerSecond (scope: taskmanager_job_task_operator)
> # TYPE flink_taskmanager_job_task_operator_numRecordsOutPerSecond gauge
> flink_taskmanager_job_task_operator_numRecordsOutPerSecond{job_id="2a7c77aacf6b18da389189a3bae6ff48",task_id="529e7a1eaba520b18dc7864f821ada08",task_attempt_id="3bc0d07eb56df676b088a8ec13531c98",host="helmuts_mbp",operator_id="529e7a1eaba520b18dc7864f821ada08",operator_name="DataSource__at_getDefaultTextLineDataSet_WordCountData_java:70___org_apache_flin",task_name="CHAIN_DataSource__at_getDefaultTextLineDataSet_WordCountData_java:70___org_apache_flink_api_java_io_CollectionInputFormat______FlatMap__FlatMap_at_main_WordCount_java:77______Combine__SUM_1___at_main_WordCount_java:80_",task_attempt_num="0",job_name="Flink_Java_Job_at_Fri_Sep_07_13:00:12_CEST_2018",tm_id="ee893c28f70d285e701f838706ce8810",subtask_index="0",}
> 0.0
> ...
> {code}
>
> With each finished job the prometheus output gets bigger and bigger until
> the prometheus output fails to load.
>
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