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  1. Hadoop HDFS
  2. HDFS-6919 Enforce a single limit for RAM disk usage and replicas cached via locking
  3. HDFS-8192

Eviction should key off used locked memory instead of ram disk free space

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Details

    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 2.8.0, 3.0.0-alpha1
    • datanode
    • None
    • Reviewed

    Description

      Eviction from RAM disk will be triggered when locked memory is insufficient RAM to allocate a new replica for writing.

      This is a follow up to HDFS-8157. We no longer need the threshold configuration keys since we won't be evicting based on thresholds any more.

      Attachments

        1. HDFS-8192.01.patch
          42 kB
          Arpit Agarwal
        2. HDFS-8192.02.patch
          43 kB
          Arpit Agarwal
        3. HDFS-8192.03.patch
          44 kB
          Arpit Agarwal
        4. HDFS-8192.04.patch
          44 kB
          Arpit Agarwal

        Issue Links

          requires

          Sub-task - The sub-task of the issue HDFS-8157 Writes to RAM DISK reserve locked memory for block files

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              arp Arpit Agarwal
              arp Arpit Agarwal
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              Dates

                Created:
                Updated:
                Resolved: