博主语录:一文精讲一个知识点,多了你记不住,一句废话都没有
经典语录:那日看雪,你从未看我,我从未看雪
需求:
学习知识的时候要去搞明白它存在的意义,这样学习成本才会低
分而治之的思想很重要,出现在了很多地方:
需求:
解决思路:
小贴士:内存寻址比Io寻址快10万倍
思考: 如果让时间变为分钟、秒级别
结论
The project includes these modules:
Other Hadoop-related projects at Apache include:
https://www.cloudera.com/Cloudera’s Distribution Including Apache Hadoop CDH is the most complete,tested, and popular distribution of Apache Hadoop and related projects.