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From "mag (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-1564) Make dfs.datanode.du.reserved configurable per volume
Date Sat, 26 Feb 2011 15:53:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12999804#comment-12999804

mag  commented on HDFS-1564:

I was the reporter of this issue. Aaron relied my problem correctly. We have many heterogeneous
disks ranging from 80GB to 2TB. We have filesystems layed out like this, /fs1, /fs2, /fs3,
/fs4, etc... Each filesystem varies in size significantly therefore it would be nice to setup
'dfs.datanode.du.reserved' (or pct) by volume basis. 

> Make dfs.datanode.du.reserved configurable per volume
> -----------------------------------------------------
>                 Key: HDFS-1564
>                 URL: https://issues.apache.org/jira/browse/HDFS-1564
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: data-node
>            Reporter: Aaron T. Myers
>            Priority: Minor
> In clusters with DNs which have heterogeneous data dir volumes, it would be nice if dfs.datanode.du.reserved
could be configured per-volume.

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