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Posted to yarn-issues@hadoop.apache.org by "Ray Chiang (JIRA)" <ji...@apache.org> on 2016/08/16 17:39:20 UTC

[jira] [Created] (YARN-5529) Create new DiskValidator class with metrics

Ray Chiang created YARN-5529:
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             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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