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  1. Hadoop HDFS
  2. HDFS-4949 Centralized cache management in HDFS
  3. HDFS-5589

Namenode loops caching and uncaching when data should be uncached

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Details

    • Sub-task
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 3.0.0-alpha1
    • 2.3.0
    • caching, namenode
    • None

    Description

      This was reported by cnauroth and brandonli, and schu repro'd it too.

      If you add a new caching directive then remove it, the Namenode will sometimes get stuck in a loop where it sends DNA_CACHE and then DNA_UNCACHE repeatedly to the datanodes where the data was previously cached.

      Attachments

        1. hdfs-5589-1.patch
          10 kB
          Andrew Wang
        2. hdfs-5589-2.patch
          19 kB
          Andrew Wang

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              andrew.wang Andrew Wang
              andrew.wang Andrew Wang
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              Dates

                Created:
                Updated:
                Resolved: