soarez commented on code in PR #15718:
URL: https://github.com/apache/kafka/pull/15718#discussion_r1567042897
##########
docs/ops.html:
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@@ -2113,6 +2113,22 @@ <h5 class="anchor-heading"><a
id="kraft_controller_monitoring" class="anchor-lin
<td>The number of active brokers as observed by this Controller.</td>
<td>kafka.controller:type=KafkaController,name=ActiveBrokerCount</td>
</tr>
+ <tr>
+ <td>Migrating ZK Broker Count</td>
+ <td>The number of brokers registered with the Controller that haven't yet
migrated to KRaft mode.</td>
+ <td>kafka.controller:type=KafkaController,name=MigratingZkBrokerCount</td>
+ </tr>
+ <tr>
+ <td>ZK Migrating State</td>
+ <td>
+ 0 - NONE, cluster created in KRaft mode;
+ 4 - ZK, Migration has not started, controller is a ZK controller.
+ 2 - PRE_MIGRATION, the KRaft Controller is waiting for all ZK brokers to
register in migration mode;
+ 1 - MIGRATION, ZK metadata has been migrated, but some broker is still
running in ZK mode;
+ 3 - POST_MIGRATION, the cluster migration is complete;
Review Comment:
That's true, I thought it wouldn't matter, but on second thought there's no
reason we can't present a bit more nicely. Updated.
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