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https://issues.apache.org/jira/browse/FLINK-13787?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16912910#comment-16912910
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Yang Wang commented on FLINK-13787:
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I agree with [~kaibo.zhou].
Prometheus pushgateway with TTL feature is a better choice. Hope it could be
merge into master.
> PrometheusPushGatewayReporter does not cleanup TM metrics when run on
> kubernetes
> --------------------------------------------------------------------------------
>
> Key: FLINK-13787
> URL: https://issues.apache.org/jira/browse/FLINK-13787
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Metrics
> Affects Versions: 1.7.2, 1.8.1, 1.9.0
> Reporter: Kaibo Zhou
> Priority: Major
>
> I have run a flink job on kubernetes and use PrometheusPushGatewayReporter, I
> can see the metrics from the flink jobmanager and taskmanager from the push
> gateway's UI.
> When I cancel the job, I found the jobmanager's metrics disappear, but the
> taskmanager's metrics still exist, even though I have set the
> _deleteOnShutdown_ to true_._
> The configuration is:
> {code:java}
> metrics.reporters: "prom"
> metrics.reporter.prom.class:
> "org.apache.flink.metrics.prometheus.PrometheusPushGatewayReporter"
> metrics.reporter.prom.jobName: "WordCount"
> metrics.reporter.prom.host: "localhost"
> metrics.reporter.prom.port: "9091"
> metrics.reporter.prom.randomJobNameSuffix: "true"
> metrics.reporter.prom.filterLabelValueCharacters: "true"
> metrics.reporter.prom.deleteOnShutdown: "true"
> {code}
>
> Other people have also encountered this problem:
> [https://stackoverflow.com/questions/54420498/flink-prometheus-push-gateway-reporter-delete-metrics-on-job-shutdown].
> And another similar issue: FLINK-11457.
>
> As prometheus is a very import metrics system on kubernetes, if we can solve
> this problem, it is beneficial for users to monitor their flink jobs.
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