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https://issues.apache.org/jira/browse/HDFS-11335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Manoj Govindassamy updated HDFS-11335:
--------------------------------------
    Attachment: HDFS-11335.02.patch

Thanks for the review  [~eddyxu]. Sure, 
DFSConfigKeys#DFS_CLIENT_SLOW_IO_WARNING_THRESHOLD_DEFAULT was already 
deprecated on 2.8.0 release and I believe its safe to remove this config key.

Attached v02 patch removing the deprecated 
DFS_CLIENT_SLOW_IO_WARNING_THRESHOLD_DEFAULT in DFSConfigKeys. Kindly take a 
look.

> Remove HdfsClientConfigKeys.DFS_CLIENT_SLOW_IO_WARNING_THRESHOLD_KEY usage 
> from DNConf
> --------------------------------------------------------------------------------------
>
>                 Key: HDFS-11335
>                 URL: https://issues.apache.org/jira/browse/HDFS-11335
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Manoj Govindassamy
>            Assignee: Manoj Govindassamy
>         Attachments: HDFS-11335.01.patch, HDFS-11335.02.patch
>
>
> DataNode configuration {{DNConf}} reading in   
> {{HdfsClientConfigKeys.DFS_CLIENT_SLOW_IO_WARNING_THRESHOLD_KEY}} 
> (_dfs.client.slow.io.warning.threshold.ms_) is redundant as this threshold 
> limit is needed only for {{DfsClientConf}}. Better to remove the unwanted 
> usage in DNConf. 



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