公开(公告)号：US20150193504A1

公开(公告)日：2015-07-09

申请号：US14665026

申请日：2015-03-23

Applicant: Google Inc.

Inventor： Siddartha Naidu ,  Amit Agarwal ,  Michael Sheldon ,  Andrew Kadatch ,  Jordan Tigani ,  Jeremy P.C. Condit

IPC: G06F17/30

CPC classification number: G06F17/30477 ,  G06F7/00 ,  G06F8/453 ,  G06F17/30312 ,  G06F17/30339 ,  G06F17/30345 ,  G06F17/30575 ,  G06F17/30979

Abstract: In general, the subject matter described in this disclosure can be embodied in methods, systems, and program products. A system includes a first data center, a second data center, and a third data center. The multiple data centers are configured to replicate a logical collection of data that comprises multiple logical partitions of data. The system comprises a first writing subsystem that is designated to write updates to a copy of a first logical partition of data that is stored by the first data center. The system comprises a second writing subsystem that is designated to write updates to a copy of a second logical partition of data that is stored by the second data center. The system comprises a third writing subsystem that is designated to write updates to a copy of a third logical partition of data that is stored by the third data center.

Abstract translation: 通常，本公开中描述的主题可以体现在方法，系统和程序产品中。 系统包括第一数据中心，第二数据中心和第三数据中心。 多个数据中心被配置为复制包含数据的多个逻辑分区的数据的逻辑集合。 该系统包括第一写入子系统，其被指定为将更新写入由第一数据中心存储的数据的第一逻辑分区的副本。 该系统包括被指定为向第二数据中心存储的数据的第二逻辑分区的副本写入更新的第二写入子系统。 该系统包括第三写入子系统，其被指定为将更新写入由第三数据中心存储的数据的第三逻辑分区的副本。