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浅谈HBase的数据分布-牛萌萌的博客

 5 years ago
source link: http://blog.51cto.com/14015938/2313399
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数据分布问题简述分布式产生的根源是“规模”,规模可理解为计算和存储的需求。当单机能力无法承载日益增长的计算存储需求时,就要寻求对系统的扩展方法。通常有两种扩展方式:提升单机能力(scale up),增加机器(scale out,水平扩展)。限于硬件技术,单机能力的提升在一个阶段内是有上限的;而水平扩展在理论上可以是无限的,同时,也更廉价、更容易落地。水平扩展可以通过快速、简单的“加机器”,有效解决

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