<div class="container">
        <center><h1>IO Writes</h1>
        <p>IO Writes related information</p>
        <br>
        <br>
        <table class="table">
            <tr>
                <th>Metric Name</th>
                <th>Begin Time</th>
                <th>End Time</th>
                <th>Value</th>
            </tr>
            <tbody ng-repeat="i in datafile.items">
                <tr>
                    <td>{{i.metric_name}}</td>
                    <td>{{i.begin_time}}</td>
             