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Preview article: 【Why Learn Big Data】
1. How to learn big data
1. There are not so many machines to learn, and it is impossible to build a cluster and learn big data?
2. The simplest big data cluster is a cluster with only one node. Can a node also be called a cluster? Yes, a node is similar to a bare commander, and constitutes a pseudo-distributed cluster. The simplest cluster is only one node.
3. The best environment is three nodes, because three people follow the crowd, and three nodes are an optimal learning environment.
4. The best operating environment for big data is Linux, because foreigners use the Linux environment, which is not very friendly to the Win environment.
5. A lot of big data software needs the support of JDK, and preferably JDK7++
6. How can individuals learn big data without a Linux machine? A virtual machine can solve this problem, and only a virtual machine with a Linux system can be installed to play with big data
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