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  1. Hadoop Common
  2. HADOOP-11107

Improve tests to not rely on JDK random implementation

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Details

    • Improvement
    • Status: Open
    • Major
    • Resolution: Unresolved
    • 2.5.1
    • None
    • None
    • None

    Description

      As daryn points out on HDFS-6840, writing unit tests that depend on a certain random seed always generating the same numbers is somewhat brittle, since the JDK does not guarantee this as part of compatibility. It'd be good to improve our unit testing to be agnostic to the JDK random implementation, e.g. by providing our own mock random implementation, or through other methods of verification.

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          is related to

          Bug - A problem which impairs or prevents the functions of the product. HDFS-6840 Clients are always sent to the same datanode when read is off rack

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed

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              Unassigned Unassigned
              andrew.wang Andrew Wang
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                Created:
                Updated: