Bigtable是一个为管理大规模结构化数据而设计的分布式存储系统，可以扩展到PB级数据和上千台服务器。很多google的项目使用Bigtable存储数据，这些应用对Bigtable提出了不同的挑战，比如数据规模的要求、延迟的要求。Bigtable能满足这些多变的要求，为这些产品成功地提供了灵活、高性能的存储解决方案。(Bigtable is a distributed storage system designed to manage large-scale structured data, and can scale to petabytes of data and thousands of servers. Many Google projects use Bigtable to store data. These applications pose different challenges to Bigtable, such as data size requirements and delay requirements. Bigtable can meet these changing requirements and successfully provide flexible and high-performance storage solutions for these products.)