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https://issues.apache.org/jira/browse/HADOOP-10111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13829044#comment-13829044
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Vinay commented on HADOOP-10111:
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+1 Patch looks good and changes will surely improve datanode startup time.
Thanks kihwal
> Allow DU to be initialized with an initial value
> ------------------------------------------------
>
> Key: HADOOP-10111
> URL: https://issues.apache.org/jira/browse/HADOOP-10111
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Kihwal Lee
> Assignee: Kihwal Lee
> Attachments: HADOOP-10111.patch, HADOOP-10111.patch
>
>
> When a DU object is created, the du command runs right away. If the target
> directory contains a huge number of files and directories, its constructor
> may not return for many seconds. It will be nice if it can be told to delay
> the initial scan and use a specified initial "used" value.
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