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Posted to hdfs-issues@hadoop.apache.org by "Wei-Chiu Chuang (Jira)" <ji...@apache.org> on 2022/06/03 22:12:00 UTC

[jira] [Resolved] (HDFS-16595) Slow peer metrics - add median, mad and upper latency limits

     [ https://issues.apache.org/jira/browse/HDFS-16595?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wei-Chiu Chuang resolved HDFS-16595.
------------------------------------
    Fix Version/s: 3.4.0
       Resolution: Fixed

> Slow peer metrics - add median, mad and upper latency limits
> ------------------------------------------------------------
>
>                 Key: HDFS-16595
>                 URL: https://issues.apache.org/jira/browse/HDFS-16595
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>            Reporter: Viraj Jasani
>            Assignee: Viraj Jasani
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>          Time Spent: 3h 10m
>  Remaining Estimate: 0h
>
> Slow datanode metrics include slow node and it's reporting node details. With HDFS-16582, we added the aggregate latency that is perceived by the reporting nodes.
> In order to get more insights into how the outlier slownode's latencies differ from the rest of the nodes, we should also expose median, median absolute deviation and the calculated upper latency limit details.



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