Apache9 commented on a change in pull request #2095: URL: https://github.com/apache/hbase/pull/2095#discussion_r457789941
########## File path: hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java ########## @@ -2928,13 +2928,27 @@ public GetActiveMasterResponse getActiveMaster(RpcController rpcController, @Override public GetMetaRegionLocationsResponse getMetaRegionLocations(RpcController rpcController, - GetMetaRegionLocationsRequest request) throws ServiceException { - GetMetaRegionLocationsResponse.Builder response = GetMetaRegionLocationsResponse.newBuilder(); - Optional<List<HRegionLocation>> metaLocations = - master.getMetaRegionLocationCache().getMetaRegionLocations(); - metaLocations.ifPresent(hRegionLocations -> hRegionLocations.forEach( - location -> response.addMetaLocations(ProtobufUtil.toRegionLocation(location)))); - return response.build(); + GetMetaRegionLocationsRequest request) throws ServiceException { + MetaLocationCache cache = master.getMetaLocationCache(); + RegionLocations locs; + try { + if (cache != null) { + locs = cache.locateMeta(HConstants.EMPTY_BYTE_ARRAY, RegionLocateType.CURRENT); + } else { Review comment: Yes, will try to do this as a follow on. Maybe need to introduce another method for doing this, as the return value should have a way tell the upper layer there is no change, and also we should not have the excludeOfflineSplitParent option for this method, otherwise the semantice will be confusing. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org