jeffkbkim commented on code in PR #18890:
URL: https://github.com/apache/kafka/pull/18890#discussion_r1956314167
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docs/ops.html:
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@@ -1789,6 +1774,133 @@ <h4 class="anchor-heading"><a id="remote_jmx"
class="anchor-link"></a><a href="#
</tr>
</tbody></table>
+<h4 class="anchor-heading"><a id="group_coordinator_monitoring"
class="anchor-link"></a><a href="#group_coordinator_monitoring">Group
Coordinator Monitoring</a></h4>
+The following set of metrics are available for monitoring the group
coordinator:<br/><br/>
+<table class="data-table">
+ <tbody>
+ <tr>
+ <td>The Partition Count, per State</td>
+
<td>kafka.server:type=group-coordinator-metrics,name=partition-count,state={loading|active|failed}</td>
+ <td>The number of <code>__consumer_offsets</code> partitions hosted by
the broker, broken down by state</td>
+ </tr>
+ <tr>
+ <td>Partition Maximum Loading Time</td>
+
<td>kafka.server:type=group-coordinator-metrics,name=partition-load-time-max</td>
+ <td>The maximum loading time needed to read the state from the
<code>__consumer_offsets</code> partitions</td>
+ </tr>
+ <tr>
+ <td>Partition Average Loading Time</td>
+
<td>kafka.server:type=group-coordinator-metrics,name=partition-load-time-avg</td>
+ <td>The average loading time needed to read the state from the
<code>__consumer_offsets</code> partitions</td>
+ </tr>
+ <tr>
+ <td>Average Thread Idle Ratio</td>
+
<td>kafka.server:type=group-coordinator-metrics,name=thread-idle-ratio-avg</td>
+ <td>The average idle ratio of the coordinator threads</td>
+ </tr>
+ <tr>
+ <td>Event Queue Size</td>
+
<td>kafka.server:type=group-coordinator-metrics,name=event-queue-size</td>
+ <td>The number of events waiting to be processed in the queue</td>
+ </tr>
+ <tr>
+ <td>Event Queue Time (Ms)</td>
+
<td>kafka.server:type=group-coordinator-metrics,name=event-queue-time-ms-[max|p50|p99|p999]</td>
+ <td>The time that an event spent waiting in the queue to be
processed</td>
+ </tr>
+ <tr>
+ <td>Event Processing Time (Ms)</td>
+
<td>kafka.server:type=group-coordinator-metrics,name=event-processing-time-ms-[max|p50|p99|p999]</td>
+ <td>The time that an event took to be processed</td>
+ </tr>
+ <tr>
+ <td>Event Purgatory Time (Ms)</td>
+
<td>kafka.server:type=group-coordinator-metrics,name=event-purgatory-time-ms-[max|p50|p99|p999]</td>
+ <td>The time that an event waited in the purgatory before being
completed</td>
+ </tr>
+ <tr>
+ <td>Batch Flush Time (Ms)</td>
+
<td>kafka.server:type=group-coordinator-metrics,name=batch-flush-time-ms-[max|p50|p99|p999]</td>
+ <td>The time that a batch took to be flushed to the local partition</td>
+ </tr>
+ <tr>
+ <td>Group Count, per group type</td>
+
<td>kafka.server:type=group-coordinator-metrics,name=group-count,protocol={consumer|generic}</td>
Review Comment:
should this be consumer|classic?
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