title: HyperLoglog Spring Key Operation
body: <p>I have following code snippet to test if I can add HLL values in  Redis, This test pass, but when I verify it from redis-command-line, I did not see "HLLTEST" key, instead I found weird key as you can see from the following output.
  Is there something wrong with usage of  HyperLogLogOperations,</p>
  
  <pre><code>@Test
      public void whenHllRecord_thenCount() throws Exception {
          hyperLogLogOperations = redisTemplate.opsForHyperLogLog();
  
          hyperLogLogOperations.add("HLLTEST:1010", 1);
          hyperLogLogOperations.add("HLLTEST:1010",2);
  
          long size = hyperLogLogOperations.size("HLLTEST:1010");
  
          assertEquals("Size: "+size, size, 2);
      }
  </code></pre>
  
  <p><strong>Redis-Command-Line</strong></p>
  
  <pre><code>redis:6379&gt; keys *
   1) "\xac\xed\x00\x05t\x00\x0cHLLTEST:1010"
  redis:6379&gt; pfcount HLLTEST:1010
  (integer) 0
  </code></pre>
  
  <p>RedisConf</p>
  
  <pre><code> @Bean
     public RedisTemplate&lt;String, Object&gt; redisTemplate() {
        final RedisTemplate&lt;String, Object&gt; template = new RedisTemplate&lt;String, Object&gt;();
        template.setConnectionFactory(jedisConnectionFactory());
        template.setValueSerializer(new GenericToStringSerializer&lt;Object&gt;(Object.class));
        return template;
     }
  </code></pre>