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From "Ray Chiang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-5529) Create new DiskValidator class with metrics
Date Tue, 16 Aug 2016 17:39:20 GMT
Ray Chiang created YARN-5529:

             Summary: Create new DiskValidator class with metrics
                 Key: YARN-5529
                 URL: https://issues.apache.org/jira/browse/YARN-5529
             Project: Hadoop YARN
          Issue Type: Sub-task
          Components: nodemanager
            Reporter: Ray Chiang
            Assignee: Yufei Gu

With really large clusters, the basic DiskValidator isn't sufficient for some of the less
common types of disk failures.

Look at a new DiskValidator that could do one or more of the following:
- Add new tests to find more problems
- Add new metrics to at least characterize problems that we haven't predicted

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