random access by key

基本解释

By analyzing the FTP protocol, the article classifies the FTP statistical methods into three key issues, which are random port access, DPID processing and FTP port flux collection.
本文通过对FTP协议的分析，将FTP流量统计的方法归结为三个关键问题随机端口的获取、DPID的处理、FTP端口流量的采集。
One of the key design concepts behind Percolator was to provide random access to the repository to process documents individually, and thus avoiding the global processing required by MapReduce.
Percolator的一个关键设计理念是：提供对库中文档的随机访问，以实现对单个文档的处理，从而避免了像MapReduce那样对文档全集进行处理。