mymeiyi commented on a change in pull request #721: HBASE-23170 
Admin#getRegionServers use ClusterMetrics.Option.SERVERS_NAME
URL: https://github.com/apache/hbase/pull/721#discussion_r335835605
 
 

 ##########
 File path: 
hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncAdmin.java
 ##########
 @@ -1048,8 +1048,7 @@
    * @return current live region servers list wrapped by {@link 
CompletableFuture}
    */
   default CompletableFuture<Collection<ServerName>> getRegionServers() {
-    return getClusterMetrics(EnumSet.of(Option.LIVE_SERVERS))
-      .thenApply(cm -> cm.getLiveServerMetrics().keySet());
+    return getClusterMetrics(EnumSet.of(Option.SERVERS_NAME)).thenApply(cm -> 
cm.getServersName());
 
 Review comment:
   done

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