public static boolean shouldRetryCreate(RemoteException e) {
    // RetryStartFileException is introduced in HDFS 2.6+, so here we can only use the class name.
    // For exceptions other than this, we just throw it out. This is same with
    // DFSOutputStream.newStreamForCreate.
    return e.getClassName().endsWith("RetryStartFileException");
  }
Create a {@link FanOutOneBlockAsyncDFSOutput}. The method maybe blocked so do not call it
inside an {@link EventLoop}.
hbase-asyncfs/src/main/java/org/apache/hadoop/hbase/io/asyncfs/FanOutOneBlockAsyncDFSOutputHelper.java