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Posted to common-issues@hadoop.apache.org by "zhengchenyu (Jira)" <ji...@apache.org> on 2022/05/26 12:25:00 UTC
[jira] [Updated] (HADOOP-18263) Prometheus metrics tag changed unexpectedly.
[ https://issues.apache.org/jira/browse/HADOOP-18263?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
zhengchenyu updated HADOOP-18263:
---------------------------------
Description:
Prom web print metrics like below
{code:java}
fs_namesystem_blocks_total{context="dfs",enabledecpolicies="RS-6-3-1024k",hastate="active",totalsynctimes="10 43 ",hostname="xxx"} 3674006 {code}
getTotalSyncTimes return String, so totalsynctimes will change to tag.
It is difficult to show in grafana. We may get wrong panel, though only one metric is set.
!截屏2022-05-26 下午8.15.50.png|width=562,height=236!
was:
Prom web print metrics like below
{code:java}
fs_namesystem_blocks_total{context="dfs",enabledecpolicies="RS-6-3-1024k",hastate="active",totalsynctimes="10 43 ",hostname="xxx"} 3674006 {code}
getTotalSyncTimes return String, so totalsynctimes will change to tag.
It is difficult to show in grafana. We may get wrong panel, though only one metric is set.
!截屏2022-05-26 下午8.15.50.png!
> Prometheus metrics tag changed unexpectedly.
> --------------------------------------------
>
> Key: HADOOP-18263
> URL: https://issues.apache.org/jira/browse/HADOOP-18263
> Project: Hadoop Common
> Issue Type: Improvement
> Components: metrics
> Affects Versions: 3.2.1, 3.3.3
> Reporter: zhengchenyu
> Priority: Major
> Attachments: 截屏2022-05-26 下午8.15.50.png
>
>
> Prom web print metrics like below
> {code:java}
> fs_namesystem_blocks_total{context="dfs",enabledecpolicies="RS-6-3-1024k",hastate="active",totalsynctimes="10 43 ",hostname="xxx"} 3674006 {code}
> getTotalSyncTimes return String, so totalsynctimes will change to tag.
> It is difficult to show in grafana. We may get wrong panel, though only one metric is set.
> !截屏2022-05-26 下午8.15.50.png|width=562,height=236!
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