private boolean isExpired(AggrColStats aggrColStats) {
    return (System.currentTimeMillis() - aggrColStats.lastAccessTime) > timeToLiveMs;
  }
Evict an LRU node or expired node whichever we find first
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/AggregateStatsCache.java