Patent ID: 11860741
Assignee: AMAZON TECHNOLOGIES, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 7:
8. A method, comprising:
performing, by one or more computing devices for a database service that stores data in partitions, wherein change log data for the partitions is accumulated in a change log data store, and wherein for a split of a partition at a point-in-time into two or more split partitions, a corresponding change log for the partition is split into two or more split change logs:
generating a backup for one or more of the split partitions, comprising:
splitting a previous snapshot, corresponding to the partition prior to the split, into one or more split snapshots corresponding to the one or more of the split partitions for which a backup is being generated;
for one or more of the split snapshots:
applying some of the changes, from the corresponding change log that are prior to the point-in-time, and changes from a respective split change log, to the respective split snapshot to create an updated split snapshot; and
storing, or providing, the respective updated split snapshot as the backup for the respective split partition.