@Override
  public PoolFactory setSocketBufferSize(int bufferSize) {
    if (bufferSize <= 0) {
      throw new IllegalArgumentException("socketBufferSize must be greater than zero");
    }
    attributes.socketBufferSize = bufferSize;
    return this;
  }
The cache that created this factory
geode-core/src/main/java/org/apache/geode/internal/cache/PoolFactoryImpl.java