code></td><td>The maximum size request we have received so far.</td></tr>
<tr><td><code>pilot_xds_send_time</code></td><td><code>Distribution</code></td><td>Total time in seconds Pilot takes to send generated configuration.</td></tr>
<tr><td><code>pilot_xds_write_timeout</code></td><td><code>Sum</code></td><td>Pilot XDS response write timeouts.</td></tr>
<tr><td><code>provider_lookup_cluster_failures</code></td><td><code>Sum</code></td><td>Number of times a cluster lookup failed</td></tr>
<tr><td><code>remo