title: How to view Elasticserarch AWS cluster settings
body: <p>I'm trying to update elasticsearch cluster settings on AWS, but
  i got this error:</p>
  
  <pre><code>Message: "Your request: '/_cluster/settings' is not allowed for verb: GET"
  </code></pre>
  
  <p>My command:</p>
  
  <pre><code>curl -XGET localhost:9200/_cluster/settings
  </code></pre>
  
  <p>Obs: both Get or Put method not work</p>
  
  <pre><code>curl -XPUT http://localhost:9200/_cluster/settings -d '{"persistent" : {"indices.fielddata.cache.size" : "30%"}}'
  {"Message":"Your request: '/_cluster/settings' payload is not allowed."}
  </code></pre>
  
  <p>Reference:</p>
  
  <p><a href="https://www.elastic.co/guide/en/elasticsearch/reference/current/cluster-update-settings.html" rel="nofollow">https://www.elastic.co/guide/en/elasticsearch/reference/current/cluster-update-settings.html</a></p>
  
  <p>It's a AWS issue?</p>