Invention Grant
- Patent Title: Scalable log-based continuous data protection for distributed databases
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Application No.: US16575296Application Date: 2019-09-18
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Publication No.: US12229011B2Publication Date: 2025-02-18
- Inventor: Akshat Vig , Parikshit Shivajirao Pol , Subramanian Sankara Subramanian , Rama Krishna Sandeep Pokkunuri , Rajaprabhu Thiruchi Loganathan , Harini Chandrasekharan
- Applicant: Amazon Technologies, Inc.
- Applicant Address: US WA Seattle
- Assignee: Amazon Technologies, Inc.
- Current Assignee: Amazon Technologies, Inc.
- Current Assignee Address: US WA Seattle
- Agency: Kowert, Hood, Munyon, Rankin & Goetzel, P.C.
- Agent Robert C. Kowert
- Main IPC: G06F11/14
- IPC: G06F11/14 ; G06F16/18 ; G06F16/23

Abstract:
In response to determining that continuous data protection is to be enabled for a particular table of a database service, a service component verifies that automated transmission of change records of the table to a log-structured journal has been configured. A given change record comprises a before-image and an after-image associated with a committed database write, and is assigned a unique sequence number. In response to a determination to restore the table as of a specified point in time, a restore record set is identified from the journal with respect to a selected snapshot of the table. The restore record set includes change records which are not represented in the snapshot and are to be represented in the restored table. A restore result table is created using the selected snapshot and the restore record set.
Public/Granted literature
- US20200012568A1 SCALABLE LOG-BASED CONTINUOUS DATA PROTECTION FOR DISTRIBUTED DATABASES Public/Granted day:2020-01-09
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