[jira] Created: (HDFS-1389) HftpFileSystem should not start a RenewerThread in the static initializer

["Tsz Wo (Nicholas), SZE (JIRA)" <ji...@apache.org>]

HftpFileSystem should not start a RenewerThread in the static initializer
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                 Key: HDFS-1389
                 URL: https://issues.apache.org/jira/browse/HDFS-1389
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Tsz Wo (Nicholas), SZE


{code}
//HftpFileSystem
  private static RenewerThread renewer = new RenewerThread();
  static {
    renewer.start();
  }
{code}
HftpFileSystem creates and starts a RenewerThread in the static initializer.  Starting a thread is expensive and the RenewerThread is not required in some cases.  One typical example is calling HftpFileSystem.makeQualified(Path path).

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