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From "Nanda kumar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-13949) Correct the description of dfs.datanode.disk.check.timeout in hdfs-default.xml
Date Wed, 10 Oct 2018 06:59:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16644535#comment-16644535

Nanda kumar commented on HDFS-13949:

[~brfrn169], thanks for the update. Agreed, the description change looks good.
+1, I will commit this shortly.

> Correct the description of dfs.datanode.disk.check.timeout in hdfs-default.xml
> ------------------------------------------------------------------------------
>                 Key: HDFS-13949
>                 URL: https://issues.apache.org/jira/browse/HDFS-13949
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: documentation
>            Reporter: Toshihiro Suzuki
>            Assignee: Toshihiro Suzuki
>            Priority: Minor
>         Attachments: HDFS-13949.1.patch
> The description of dfs.datanode.disk.check.timeout in hdfs-default.xml is as follows:
> {code}
> <property>
>   <name>dfs.datanode.disk.check.timeout</name>
>   <value>10m</value>
>   <description>
>     Maximum allowed time for a disk check to complete during DataNode
>     startup. If the check does not complete within this time interval
>     then the disk is declared as failed. This setting supports
>     multiple time unit suffixes as described in dfs.heartbeat.interval.
>     If no suffix is specified then milliseconds is assumed.
>   </description>
> </property>
> {code}
> I don't think the value of this config is used only during DataNode startup. I think
it's used whenever checking volumes.
> The description is misleading so we need to correct it.

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