title: Elasticsearch: HOW-TO delete a (cluster) setting
body: <p>my current luster configuration settings look like this :</p>
  
  <pre><code>{
    "persistent": {
      "indices": {
        "store": {
          "throttle": {
            "type": "none",
            "max_bytes_per_sec": "150mb"
          }
        }
      }
    },
    "transient": {}
  }
  </code></pre>
  
  <p>and am wondering how can i delete the <strong>"max_bytes_per_sec"</strong> part of the settings.</p>
  
  <p>could you please advise on this one ?</p>