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https://issues.apache.org/jira/browse/FLINK-11742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16782592#comment-16782592
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Tom Goong commented on FLINK-11742:
-----------------------------------
I need to monitor some conditions of different taskmanagers. But if there is no
given instance or the correct distinction between different taximanagers,
putgateway will be treated as one, resulting in data loss and line
discontinuity.
> Push metrics to Pushgateway without "instance"
> ----------------------------------------------
>
> Key: FLINK-11742
> URL: https://issues.apache.org/jira/browse/FLINK-11742
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Metrics
> Reporter: Tom Goong
> Assignee: Tom Goong
> Priority: Major
> Labels: pull-request-available
> Attachments: image-2019-02-25-17-16-28-618.png,
> image-2019-02-25-17-16-59-034.png
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> According to the official article,
> [https://prometheus.io/docs/concepts/jobs_instances/]
> [https://github.com/prometheus/pushgateway]
> when sending a metric to Prometheus Pushgateway, you need to give an
> "instance" message.
> In actual use, after there is no "instance", Prometheus stores metrics with
> problems, metrics are not continuous, and a lot of data is lost. After adding
> instance, it returns to normal.
>
> no "instance"
> !image-2019-02-25-17-16-28-618.png!
>
> with "instance"
> !image-2019-02-25-17-16-59-034.png!
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