@Test
  public void pipeline() throws UnsupportedEncodingException {
    ShardedJedisPipeline p = jedis.pipelined();
    p.set("foo", "bar");
    p.get("foo");
    List<Object> results = p.syncAndReturnAll();

    assertEquals(2, results.size());
    assertEquals("OK", results.get(0));
    assertEquals("bar", results.get(1));
  }