MapReduce的并行处理模式给自己增添了各种问题。虽然Java常用于MapReduce程序，你不见得非要成为Java专家才能享受到Hadoop上MapReduce的好处。 三种 MapReduce开发的替代方法包括Pig, streaming MapReduce和域特定语言，比如Scalding。 Pig是一种 ...

Hadoop Streaming allows developers to use virtually any programming language to create MapReduce jobs, but it’s a bit of a kludge. The MapReduce programming environment needs to be pluggable.

With this simple Java program under your belt, you’re ready to understand the more complex MapReduce implementation in Apache Hadoop. Apache Hadoop ...

Since this is only a basic tutorial series, Carlo mentions that he’ll hit that up later. So, if you know Java and want to play around with Hadoop, here is an excellent place to begin.

Pig bridges the gap between Hadoop Hive and Hadoop MapReduce Java programming. It is nowhere near as simple or familiar as Hive’s SQL dialect; but, it can be used to create more complex multi-step ...