Cloud computing is the basis for largedataprocessing, big data is an extension of cloud computing.
云计算是大数据处理的基础，大数据是云计算的延伸。
2
Largedataprocessing was relatively well solved by means of compiling and running of expression evaluation and code optimization.
通过表达式求值的编译执行和代码优化等手段，较好地解决了大数据量的处理问题。
3
Now as a top-level Apache project, Hadoop is supported and used by many companies such as IBM, Google, Yahoo!, and Facebook, and has become the industry de facto framework for largedataprocessing.