Learn know more about big data

    As we all know,we are in a big data age now."Every sword has two slides",as a ITer,we should have a professional perspective to all new high-tech things.

1.What  the big data can do for us?

You know,no matter what industry,there may be lost of data(simple / complicated) needed to be processed,'cause we would like to make full use of this information,e.g.developing trends/speed,profit,user hobbies/behavior,etc.For this demand,there are plenty of high-tech tools coming out.One of the most famous is hadoop. and its relative techonologies,e.g.Mapreduce,HDFS,HBase,cloud computing,etc.These tools are based on high efficient algothyms and strong hardware,like distributing server,distributing massive parallel processing...

From above, we know that big data is divided into three parts.The first is to conserve data; Second is to gain data;Third is to process data and get a result.

2.Pay attentions!!

Big data means big security---an eternal topic.