[HDFS-1389] HftpFileSystem should not start a RenewerThread in the static initializer

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Assignee: Unassigned
• Reporter: Tsz-wo Sze
• Created: 10/Sep/10 22:51
• Updated: 28/Nov/11 23:17
• Resolved: 28/Nov/11 23:17

Description

//HftpFileSystem
  private static RenewerThread renewer = new RenewerThread();
  static {
    renewer.start();
  }

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).

Issue Links

• is duplicated by: HDFS-2589 unnecessary hftp token fetch and renewal thread
• is related to: HDFS-1296 using delegation token over hftp for long running clients (spawn from hdfs-1007).