hadoop fs -ls s3a://testbucket/wordcount
```

The output should be similar to the following:

```
Found 3 items
-rw-rw-rw-   1 spark spark          0 2019-05-04 01:36 s3a://testbucket/wordcount/_SUCCESS
-rw-rw-rw-   1 spark spark       4956 2019-05-04 01:36 s3a://testbucket/wordcount/part-00000
-rw-rw-rw-   1 spark spark       5616 2019-05-04 01:36 s3a://testbucket/wordcount/part-00001

    @Throws(IOException::class)
    fun edit(
      file: File,
      upstream: Source,
      metadata: ByteString,
      bufferMaxSize: Long,
    ): Relay {
      val randomAccessFile = RandomAccessFile(file, "rw")
      val result = Relay(randomAccessFile, upstream, 0L, metadata, bufferMaxSize)

      // Write a dirty header. That way if we crash we won't attempt to recover this.
      randomAccessFile.setLength(0L)

  * If a node or kubelet crashes with a volume attached, the volume will remain
attached to that node. If that volume can only be attached to one node at a
time (GCE PDs attached in RW mode, for example), then the volume must be
manually detached before Kubernetes can attach it to other nodes.
  * If a volume is already attached to a node any subsequent attempts to attach it