KAFKA-19579 Add missing metrics for doc tiered storage (#20304)

Add missing metrics for document tiered storage

-

kafka.log.remote:type=RemoteLogManager,name=RemoteLogReaderFetchRateAndTimeMs：Introduced
in

[KIP-1018](https://cwiki.apache.org/confluence/display/KAFKA/KIP-1018%3A+Introduce+max+remote+fetch+timeout+config+for+DelayedRemoteFetch+requests)

-

kafka.server:type=DelayedRemoteListOffsetsMetrics,name=ExpiresPerSec,topic=([-.\w]),partition=([0-9])：Introduced
in

[KIP-1075](https://cwiki.apache.org/confluence/display/KAFKA/KIP-1075%3A+Introduce+delayed+remote+list+offsets+purgatory+to+make+LIST_OFFSETS+async)

Reviewers: Chia-Ping Tsai <[email protected]>, Lan Ding
 <[email protected]>, Kamal Chandraprakash
 <[email protected]>

Author: majialoong

docs/ops.html

@@ -2107,6 +2107,16 @@ <h4 class="anchor-heading"><a id="tiered_storage_monitoring" class="anchor-link"
         <td>The max time in millis remote copies was throttled by a broker</td>
         <td>kafka.server:type=RemoteLogManager, name=remote-copy-throttle-time-max</td>
       </tr>
+      <tr>
+        <td>RemoteLogReader Fetch Rate And Time</td>
+        <td>The time to read data from remote storage by a broker</td>
+        <td>kafka.log.remote:type=RemoteLogManager,name=RemoteLogReaderFetchRateAndTimeMs</td>
+      </tr>
+      <tr>
+        <td>Delayed Remote List Offsets Expires Per Sec</td>
+        <td>The number of expired remote list offsets per second. Omitting 'topic=(...), partition=(...)' will yield the all-topic rate</td>
+        <td>kafka.server:type=DelayedRemoteListOffsetsMetrics,name=ExpiresPerSec,topic=([-.\w]+),partition=([0-9]+)</td>
+      </tr>
 
     </tbody>
   </table>