Uploaded image for project: 'Hadoop HDFS'
  1. Hadoop HDFS
  2. HDFS-15118

[SBN Read] Slow clients when Observer reads are enabled but there are no Observers on the cluster.

    XMLWordPrintableJSON

Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 2.10.0
    • 3.3.0, 3.1.4, 3.2.2, 2.10.1
    • hdfs-client
    • None

    Description

      We see substantial degradation in performance of HDFS clients, when Observer reads are enabled via ObserverReadProxyProvider, but there are no ObserverNodes on the cluster.

      Attachments

        1. HDFS-15118.001.patch
          11 kB
          Chen Liang
        2. HDFS-15118.002.patch
          11 kB
          Chen Liang

        Activity

          People

            vagarychen Chen Liang
            shv Konstantin Shvachko
            Votes:
            0 Vote for this issue
            Watchers:
            6 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved: