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Posted to hdfs-issues@hadoop.apache.org by "Zhe Zhang (JIRA)" <ji...@apache.org> on 2015/10/29 23:46:27 UTC

[jira] [Created] (HDFS-9341) Simulated slow disk in SimulatedFSDataset

Zhe Zhang created HDFS-9341:
-------------------------------

             Summary: Simulated slow disk in SimulatedFSDataset
                 Key: HDFS-9341
                 URL: https://issues.apache.org/jira/browse/HDFS-9341
             Project: Hadoop HDFS
          Issue Type: Test
          Components: test
    Affects Versions: 2.7.1
            Reporter: Zhe Zhang
            Priority: Minor


Besides simulating the byte content, {{SimulatedFSDataset}} can also simulate the scenario where disk is slow when accessing certain bytes. The slowness can be random or controlled at certain bytes. It can also be made configurable.



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