Uploaded image for project: 'Hadoop HDFS'
  1. Hadoop HDFS
  2. HDFS-3706

Add the possibility to mark a node as 'low priority' for writes in the DFSClient

    XMLWordPrintableJSON

Details

    • Improvement
    • Status: Open
    • Major
    • Resolution: Unresolved
    • 1.0.3, 2.0.0-alpha
    • None
    • hdfs-client
    • None

    Description

      This could be a solution for HDFS-3702, but it's as well useful in the HBase recovery process described in HDFS-3705: the recovery process is a time critical process, so if we could save writes on blocks that we already know as dead, it would save a few 'delayed by timeout'.

      Attachments

        Issue Links

          relates to

          Improvement - An improvement or enhancement to an existing feature or task. HDFS-4754 Add an API in the namenode to mark a datanode as stale

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

          Umbrella - An overarching type made of sub-tasks HBASE-5843 Improve HBase MTTR - Mean Time To Recover

          • Major - Major loss of function.
          • Closed

          Activity

            People

              Unassigned Unassigned
              nkeywal Nicolas Liochon
              Votes:
              0 Vote for this issue
              Watchers:
              8 Start watching this issue

              Dates

                Created:
                Updated: