www/query_backends.tmpl

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{{> www/common-header.tmpl }}
{{> www/query_detail_tabs.tmpl }}
<br/>
{{?backend_states}}
<div>
  <label>
    <input type="checkbox" checked="true" id="toggle" onClick="toggleRefresh()"/>
    <span id="refresh_on">Auto-refresh on</span>
  </label>  Last updated: <span id="last-updated"></span>
</div>

<br/>
<table id="backends" class='table table-hover table-bordered'>
  <thead>
    <tr>
      <th>Host</th>
      <th>Num. instances</th>
      <th>Num. remaining instances</th>
      <th>Done</th>
      <th>Peak per-host mem. consumption</th>
      <th>Scan bytes read</th>
      <th>User CPU(s)</th>
      <th>Kernel CPU(s)</th>
      <th>Time since last report (ms)</th>
    </tr>
  </thead>
  <tbody>

  </tbody>
</table>

<script>
var intervalId = 0;
var table = null;
var refresh = function () {
    table.ajax.reload();
    document.getElementById("last-updated").textContent = new Date();
};

$(document).ready(function() {
    table = $('#backends').DataTable({
        ajax: { url: make_url("/query_backends?query_id={{query_id}}&json"),
                dataSrc: "backend_states",
              },
        "columns": [ {data: 'host'},
                     {data: 'num_instances'},
                     {data: 'num_remaining_instances'},
                     {data: 'done'},
                     {data: 'peak_per_host_mem_consumption', render: renderSize},
                     {data: 'bytes_read', render: renderSize},
                     {data: 'cpu_user_s'},
                     {data: 'cpu_sys_s'},
                     {data: 'time_since_last_heard_from'}],
        "order": [[ 0, "desc" ]],
        "pageLength": 100
    });
    intervalId = setInterval( refresh, 1000 );
});

function toggleRefresh() {
    if (document.getElementById("toggle").checked === true) {
        intervalId = setInterval(refresh, 1000);
        document.getElementById("refresh_on").textContent = "Auto-refresh on";
    } else {
        clearInterval(intervalId);
        document.getElementById("refresh_on").textContent = "Auto-refresh off";
    }
}

</script>
{{/backend_states}}

{{^backend_states}}
<div class="alert alert-info" role="alert">
Query <strong>{{query_id}}</strong> has either completed or has no backends or has not
started any backends yet.
</div>
{{/backend_states}}

<script>
$("#backends-tab").addClass("active");
</script>

{{> www/common-footer.tmpl }}