Uploaded image for project: 'Hadoop HDFS'
  1. Hadoop HDFS
  2. HDFS-15048

Fix findbug in DirectoryScanner

    XMLWordPrintableJSON

Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 3.3.0, 2.10.1
    • None
    • None
    • Reviewed

    Description

      There is a findbug in DirectoryScanner.

      Multithreaded correctness Warnings

org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.reconcile() calls Thread.sleep() with a lock held
Bug type SWL_SLEEP_WITH_LOCK_HELD (click for details) 
In class org.apache.hadoop.hdfs.server.datanode.DirectoryScanner
In method org.apache.hadoop.hdfs.server.datanode.DirectoryScanner.reconcile()
At DirectoryScanner.java:[line 441]

      https://builds.apache.org/job/PreCommit-HDFS-Build/28498/artifact/out/branch-findbugs-hadoop-hdfs-project_hadoop-hdfs-warnings.html

      Attachments

        1. HDFS-15048.001.patch
          1 kB
          Masatake Iwasaki
        2. HDFS-15048-branch-2.10.002.patch
          0.7 kB
          Sean Chow

        Issue Links

          is caused by

          Improvement - An improvement or enhancement to an existing feature or task. HDFS-14476 lock too long when fix inconsistent blocks between disk and in-memory

          • Major - Major loss of function.
          • Resolved
          is related to

          Bug - A problem which impairs or prevents the functions of the product. HDFS-14751 Synchronize on diffs in DirectoryScanner

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Activity

            People

              iwasakims Masatake Iwasaki
              tasanuma Takanobu Asanuma
              Votes:
              0 Vote for this issue
              Watchers:
              9 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: