hadoop 2.6 源码 解读之追加写操作流程

客户端

DistributedFileSystem.java调用入口

 @Override
  public FSDataOutputStream append(Path f, final int bufferSize,
      final Progressable progress) throws IOException {
    statistics.incrementWriteOps(1);
    Path absF = fixRelativePart(f);
    return new FileSystemLinkResolver<FSDataOutputStream>() {
      @Override