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  1. Hadoop HDFS
  2. HDFS-4862

SafeModeInfo.isManual() returns true when resources are low even if it wasn't entered into manually

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 0.23.7, 2.0.4-alpha, 3.0.0-alpha1
    • 2.1.0-beta, 0.23.9
    • None
    • None

    Description

      HDFS-1594 changed isManual to this

      private boolean isManual() {
  return extension == Integer.MAX_VALUE && !resourcesLow;
}

      One immediate impact of this is that when resources are low, the NN will throw away all block reports from DNs. This is undesirable.

      Attachments

        1. HDFS-4862.branch-0.23.patch
          6 kB
          Ravi Prakash
        2. HDFS-4862.branch-0.23.patch
          6 kB
          Ravi Prakash
        3. HDFS-4862.branch-0.23.patch
          6 kB
          Ravi Prakash
        4. HDFS-4862.patch
          6 kB
          Ravi Prakash
        5. HDFS-4862.patch
          5 kB
          Ravi Prakash
        6. HDFS-4862.patch
          6 kB
          Ravi Prakash
        7. HDFS-4862.patch
          5 kB
          Ravi Prakash
        8. HDFS-4862.patch
          6 kB
          Ravi Prakash
        9. HDFS-4862.patch
          6 kB
          Ravi Prakash

        Issue Links

          blocks

          Bug - A problem which impairs or prevents the functions of the product. HDFS-4832 Namenode doesn't change the number of missing blocks in safemode when DNs rejoin or leave

          • Critical - Crashes, loss of data, severe memory leak.
          • Closed
          is broken by

          Bug - A problem which impairs or prevents the functions of the product. HDFS-1594 When the disk becomes full Namenode is getting shutdown and not able to recover

          • Major - Major loss of function.
          • Resolved

          Activity

            People

              raviprak Ravi Prakash
              raviprak Ravi Prakash
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              Dates

                Created:
                Updated:
                Resolved: