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TiDB 在饿了么归档环境的应用
source link: https://zhuanlan.zhihu.com/p/36112488?
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背景 随着业务增长，公司数据规模不断膨胀，表变多、变大。一方面占用的磁盘、CPU 等物理资源疾速上涨，另一方面大表性能下降且变更困难。实际上，很多大表的数据无需保留很久，比如某些业务可能只需近 3 周或近 3…
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