benchmark: Correct the bufferSize to highWaterMark
benchmark: Correct the bufferSize to highWaterMark

  The bufferSize has been removed. Use highWaterMark instead of.

dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node