public void setMemStoreSize(float memstoreSize) {
      this.memstoreSize = memstoreSize;
    }
POJO which holds the result of memory tuning done by HeapMemoryTuner implementation. It
includes the new heap percentage for memstore and block cache.
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HeapMemoryManager.java