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     <h4 class="title">
      <a name="mysql-cluster-ndbinfo-cpustat-20sec">
      </a>
      25.6.17.22 The ndbinfo cpustat_20sec Table
     </h4>
    </div>
   </div>
  </div>
  <a class="indexterm" name="idm46045089850640">
  </a>
  <p>
   The
   <code class="literal">
    cpustat_20sec
   </code>
   table provides raw,
        per-thread CPU data obtained each 20 seconds, for each thread
        running in the
   <code class="literal">
    NDB
   </code>
   kernel.
  </p>
  <p>
   Like
   <a class="link" href="mysql-cluster-ndbinfo-cpustat-50ms.html" title="25.6.17.20 The ndbinfo cpustat_50ms Table">
    <code class="literal">
     cpustat_50ms
    </code>
   </a>
   and
   <a class="link" href="mysql-cluster-ndbinfo-cpustat-1sec.html" title="25.6.17.21 The ndbinfo cpustat_1sec Table">
    <code class="literal">
     cpustat_1sec
    </code>
   </a>
   , this table shows
        20 measurement sets per thread, each referencing a period of the
        named duration. Thus,
   <code class="literal">
    cpsustat_20sec
   </code>
   provides
        400 seconds of history.
  </p>
  <p>
   The
   <code class="literal">
    cpustat_20sec
   </code>
   table contains the
        following columns:
  </p>
  <div class="itemizedlist">
   <ul class="itemizedlist" style="list-style-type: disc; ">
    <li class="listitem">
     <p>
      <code class="literal">
       node_id
      </code>
     </p>
     <p>
      ID of the node where the thread is running
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       thr_no
      </code>
     </p>
     <p>
      Thread ID (specific to this node)
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       OS_user_time
      </code>
     </p>
     <p>
      OS user time
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       OS_system_time
      </code>
     </p>
     <p>
      OS system time
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       OS_idle_time
      </code>
     </p>
     <p>
      OS idle time
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       exec_time
      </code>
     </p>
     <p>
      Thread execution time
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       sleep_time
      </code>
     </p>
     <p>
      Thread sleep time
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       spin_time
      </code>
     </p>
     <p>
      Thread spin time
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       send_time
      </code>
     </p>
     <p>
      Thread send time
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       buffer_full_time
      </code>
     </p>
     <p>
      Thread buffer full time
     </p>
    </li>
    <li class="listitem">
     <p>
      <code class="literal">
       elapsed_time
      </code>
     </p>
     <p>
      Elapsed time
     </p>
    </li>
   </ul>
  </div>
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