title: ab benchmark put test fails with nginx
body: <p>Following is my nginx.conf</p>
  <pre><code>root   html;
  index  index.html index.htm;
  client_body_temp_path  client_tmp;
  dav_methods  PUT DELETE MKCOL COPY MOVE;
  create_full_put_path   on;
  dav_access             group:rw  all:rw;
  client_max_body_size 10000m;
  </code></pre>
  <p>While ab put test is run , following error is observed -</p>
  <h1>ab -v 2 -n 1 -c 1 -u testfile <a href="https://102.1.1.77/" rel="nofollow noreferrer">https://102.1.1.77/</a></h1>
  <pre><code>Start Time: 1594207246
  Timeout   : 7200 (sec)
  Verify return code: 18 (self signed certificate)
  Extended master secret: yes
  LOG: header received:
  HTTP/1.1 409 Conflict
  Server: nginx/1.18.0
  Date: Wed, 08 Jul 2020 11:20:46 GMT
  Content-Type: text/html
  Content-Length: 151
  Connection: close
  
  &lt;html&gt;
  &lt;head&gt;&lt;title&gt;409 Conflict&lt;/title&gt;&lt;/head&gt;
  &lt;body&gt;
  &lt;center&gt;&lt;h1&gt;409 Conflict&lt;/h1&gt;&lt;/center&gt;
  &lt;hr&gt;&lt;center&gt;nginx/1.18.0&lt;/center&gt;
  &lt;/body&gt;
  &lt;/html&gt;
  
  WARNING: Response code not 2xx (409)
  ..done
  </code></pre>