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  1. Hadoop YARN
  2. YARN-3452

Bogus token usernames cause many invalid group lookups

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Details

    • Bug
    • Status: Open
    • Major
    • Resolution: Unresolved
    • None
    • None
    • security
    • None

    Description

      YARN uses a number of bogus usernames for tokens, like application attempt IDs for NM tokens or even the hardcoded "testing" for the container localizer token. These tokens cause the RPC layer to do group lookups on these bogus usernames which will never succeed but can take a long time to perform.

      Attachments

        1. tactical_defense.patch
          2 kB
          Greg Senia

        Issue Links

          is duplicated by

          Bug - A problem which impairs or prevents the functions of the product. YARN-4336 YARN NodeManager - Container Initialization - Excessive load on NSS/LDAP

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              Unassigned Unassigned
              jlowe Jason Darrell Lowe
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              Dates

                Created:
                Updated: