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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (YARN-5137) Make DiskChecker pluggable
Date Thu, 02 Jun 2016 21:46:59 GMT

    [ https://issues.apache.org/jira/browse/YARN-5137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15311497#comment-15311497
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Yufei Gu edited comment on YARN-5137 at 6/2/16 9:46 PM:
--------------------------------------------------------

Patch 001 includes: 
- Add an new interface: DiskValidator 
- Add two classes to implement the interface: BasicDiskValidator and ReadWriteValidator, BasicDiskValidator
invokes the existing DiskChecker. And ReadWriteValidator doesn't do anything right now, might
make it functional in next JIRA.
- Add one configuration in YarnConfiguration to indicate which DiskValidator Yarn want to
use.
- Migrate two callers of DiskChecker in YARN NodeManager to use new pluggable disk checker.


was (Author: yufeigu):
Patch 001 includes: 
- Add an interface: DiskValidator 
- Add two classes to implement the interface: BasicDiskValidator and
ReadWriteValidator, BasicDiskValidator invoke the existing
DiskChecker. And ReadWriteValidator doesn't do anything right now. 
- Add one configuration in YarnConfiguration.
- Migrate two callers of DiskChecker in YARN NodeManager to use new pluggable disk checker.

> Make DiskChecker pluggable
> --------------------------
>
>                 Key: YARN-5137
>                 URL: https://issues.apache.org/jira/browse/YARN-5137
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>            Reporter: Ray Chiang
>            Assignee: Yufei Gu
>              Labels: supportability
>         Attachments: YARN-5137.001.patch
>
>
> It would be nice to have the option for a DiskChecker that has more sophisticated checking
capabilities.  In order to do this, we would first need DiskChecker to be pluggable.



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