[jira] [Updated] (HDFS-13674) Improve documentation on Metrics

["Chao Sun (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-13674?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chao Sun updated HDFS-13674:
----------------------------
    Status: Patch Available  (was: Open)

> Improve documentation on Metrics
> --------------------------------
>
>                 Key: HDFS-13674
>                 URL: https://issues.apache.org/jira/browse/HDFS-13674
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: documentation, metrics
>            Reporter: Chao Sun
>            Assignee: Chao Sun
>            Priority: Minor
>         Attachments: HDFS-13674.000.patch
>
>
> There are a few confusing places in the [Hadoop Metrics page|https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-common/Metrics.html]. For instance, there are duplicated entries such as {{FsImageLoadTime}}; some quantile metrics do not have corresponding entries, description on some quantile metrics are not very specific on what is the {{num}} variable in the metrics name, etc.
> This JIRA targets at improving this.



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