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  1. Hadoop HDFS
  2. HDFS-3808

fuse_dfs: postpone libhdfs intialization until after fork

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Details

    • Bug
    • Status: Closed
    • Critical
    • Resolution: Fixed
    • 2.0.2-alpha
    • 2.0.2-alpha
    • fuse-dfs
    • None

    Description

      libhdfs may create threads or initialize internal JNI data structures when it is used. So we should be careful to daemonize() before initializing libhdfs, not after.

      Unfortunately, fuse_dfs is doing just this – initializing libhdfs in its main function, prior to calling fuse_main which does a daemonize.

      daemonize() does not preserve threads, because it is implemented by fork()}}ing and then continuing execution in the child and allowing the parent to {{exit().

      Attachments

        1. HDFS-3808.001.patch
          4 kB
          Colin McCabe
        2. HDFS-3808.002.patch
          5 kB
          Colin McCabe
        3. HDFS-3808.003.patch
          5 kB
          Colin McCabe

        Activity

          People

            cmccabe Colin McCabe
            cmccabe Colin McCabe
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            Dates

              Created:
              Updated:
              Resolved: