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KAFKA-12407: Document Controller Health Metrics (#10257) 

Reviewers: Luke Chen <showuon@gmail.com>, Dong Lin <lindong28@gmail.com>
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Lee Dongjin 2021-03-04 23:24:50 +09:00 committed by GitHub
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@ -1271,6 +1271,24 @@ checkpoint-latency-ms-avg
<td>kafka.server:type=BrokerTopicMetrics,name=ReplicationBytesInPerSec</td>
<td></td>
</tr>
<tr>
<td>Controller Request rate from Broker</td>
<td>kafka.controller:type=ControllerChannelManager,name=RequestRateAndQueueTimeMs,brokerId=([0-9]+)</td>
<td>The rate (requests per second) at which the ControllerChannelManager takes requests from the
queue of the given broker. And the time it takes for a request to stay in this queue before
it is taken from the queue.</td>
</tr>
<tr>
<td>Controller Event queue size</td>
<td>kafka.controller:type=ControllerEventManager,name=EventQueueSize</td>
<td>Size of the ControllerEventManager's queue.</td>
</tr>
<tr>
<td>Controller Event queue time</td>
<td>kafka.controller:type=ControllerEventManager,name=EventQueueTimeMs</td>
<td>Time that takes for any event (except the Idle event) to wait in the ControllerEventManager's
queue before being processed</td>
</tr>
<tr>
<td>Request rate</td>
<td>kafka.network:type=RequestMetrics,name=RequestsPerSec,request={Produce|FetchConsumer|FetchFollower},version=([0-9]+)</td>