ayushtkn commented on a change in pull request #1584:
URL: https://github.com/apache/ozone/pull/1584#discussion_r523426883



##########
File path: 
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/request/bucket/acl/OMBucketAddAclRequest.java
##########
@@ -130,5 +131,12 @@ void onComplete(boolean operationResult, IOException 
exception,
     }
   }
 
+  @Override
+  public OMClientResponse validateAndUpdateCache(OzoneManager ozoneManager,
+      long trxnLogIndex, OzoneManagerDoubleBufferHelper omDoubleBufferHelper) {
+    ozoneManager.getMetrics().incNumAddAcl();

Review comment:
       Thanx @cxorm 
   Are you talking about this `onComplete`?
   
https://github.com/apache/ozone/blob/master/hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/request/volume/acl/OMVolumeAddAclRequest.java#L114
   
   If not can you point me to that. It doesn't have `ozonemanager`
   
   >An operation scenario is that when we call 
ozoneManager.getMetrics().incNumAddAcl() before super.validateAndUpdateCache() 
and failure occurs in validateAndUpdateCache(), the incNumAddAcl() shouldn't 
take effect, but it did.
   
   Aren't these metrics suppose to track the number of calls? not just success?
   
   `validateAndUpdateCache ` too has a metrics getting incremented, `    
omMetrics.incNumVolumeUpdates();`, if a failure occurs post that, it isn't 
bothered. 




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