public long getEvictCount() {
      return evictCount;
    }
POJO to pass all the relevant information required to do the heap memory tuning. It holds the
flush counts and block cache evictions happened within the interval. Also holds the current
heap percentage allocated for memstore and block cache.
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HeapMemoryManager.java