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  1. Hadoop YARN
  2. YARN-3350

YARN RackResolver spams logs with messages at info level

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 2.6.0
    • 2.8.0, 3.0.0-alpha1
    • None
    • None
    • Reviewed

    Description

      When you run an application the container logs shows a lot of messages for the RackResolver:

      2015-03-10 00:58:30,483 INFO [RMCommunicator Allocator] org.apache.hadoop.yarn.util.RackResolver: Resolved node175.example.com to /rack15

      A real world example for a large job was generating 20+ messages in 2 milliseconds during a sustained period of time flooding the logs causing the node to run out of disk space.

      Attachments

        1. YARN-3350.2.patch
          1 kB
          wilfreds#1
        2. YARN-3350.patch
          1 kB
          wilfreds#1
        3. yarn-RackResolver-log.txt
          3 kB
          wilfreds#1

        Activity

          People

            wilfreds Wilfred Spiegelenburg
            wilfreds Wilfred Spiegelenburg
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            Dates

              Created:
              Updated:
              Resolved: