public RegionLoad createRegionLoad(final String encodedRegionName) throws IOException {
    HRegion r = onlineRegions.get(encodedRegionName);
    return r != null ? createRegionLoad(r, null, null) : null;
  }
@param r               Region to get RegionLoad for.
@param regionLoadBldr  the RegionLoad.Builder, can be null
@param regionSpecifier the RegionSpecifier.Builder, can be null
@return RegionLoad instance.
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java