bharatviswa504 commented on a change in pull request #71: HDDS-2344. Add 
immutable entries in to the DoubleBuffer for Volume requests.
URL: https://github.com/apache/hadoop-ozone/pull/71#discussion_r338750907
 
 

 ##########
 File path: 
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/request/volume/OMVolumeSetOwnerRequest.java
 ##########
 @@ -171,7 +171,8 @@ public OMClientResponse 
validateAndUpdateCache(OzoneManager ozoneManager,
       omResponse.setSetVolumePropertyResponse(
           SetVolumePropertyResponse.newBuilder().build());
       omClientResponse = new OMVolumeSetOwnerResponse(oldOwner,
-          oldOwnerVolumeList, newOwnerVolumeList, omVolumeArgs,
+          oldOwnerVolumeList, newOwnerVolumeList,
+          (OmVolumeArgs) omVolumeArgs.clone(),
 
 Review comment:
   Thank You @xiaoyuyao for the offline discussion. Posted a patch to make 
immutable value from get() API when it is returned from cache. (In this updated 
only for Bucket and Volume requests) Updated bucket request also in this, as 
that got checked in as part of HDDS-2333. Please share your view on this.

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