public void setEvictionUpperBound(int evictionUpperBound) {
    int outerEvictionUpperBound = evictionUpperBound / internalBatchSize;
    if (actualOuterIndexAt0 < outerEvictionUpperBound) {
      doEviction(outerEvictionUpperBound);
    }
  }
set the upper bound of eviction.

@param evictionUpperBound valid elements [evictionUpperBound, size)
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/utils/windowing/window/EvictableBatchList.java