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https://issues.apache.org/jira/browse/HADOOP-13254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15363493#comment-15363493
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Yufei Gu commented on HADOOP-13254:
-----------------------------------

[~rkanter], thanks for the review. Yes, good point. If a {{DiskValidator}} 
creates background threads, it is more like a daemon, and we'd better to have 
separate functions to start it other than start it while creating, and may add 
status(running, stop) to check as well.  And we can add these once we'd like it 
to be this way.

> Create framework for configurable disk checkers
> -----------------------------------------------
>
>                 Key: HADOOP-13254
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13254
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: util
>            Reporter: Yufei Gu
>            Assignee: Yufei Gu
>         Attachments: HADOOP-13254.001.patch, HADOOP-13254.002.patch, 
> HADOOP-13254.003.patch, HADOOP-13254.004.patch, HADOOP-13254.005.patch, 
> HADOOP-13254.006.patch, HADOOP-13254.007.patch, HADOOP-13254.008.patch
>
>




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