private long getCumulativePlansSizeLimitMb() {
      return cumulativePlansSizeLimitMb;
    }
Holds the configuration values read from {@link Configuration}. Encapsulation in a POJO enables
atomic hot-reloading of configs without locks.
hbase-server/src/main/java/org/apache/hadoop/hbase/master/normalizer/SimpleRegionNormalizer.java