Invention Grant
- Patent Title: Transaction ordering
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Application No.: US13893004Application Date: 2013-05-13
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Publication No.: US09760596B2Publication Date: 2017-09-12
- Inventor: Laurion Darrell Burchall , Pradeep Jnana Madhavarapu , Christopher Richard Newcombe , Anurag Windlass Gupta
- Applicant: Amazon Technologies, Inc.
- Applicant Address: US NV Reno
- Assignee: Amazon Technologies, Inc.
- Current Assignee: Amazon Technologies, Inc.
- Current Assignee Address: US NV Reno
- Agency: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.
- Agent Robert C. Kowert
- Main IPC: G06F17/30
- IPC: G06F17/30 ; G06F9/46

Abstract:
Nodes of a database service may receive a read request to perform a read of a record stored by the database service and a transaction request to perform a transaction to the record. First and second indications of time may be associated with the read and transaction, respectively. A potential read anomaly (e.g., fuzzy read, read skew, etc.) may be detected based, at least in part, on a determination that the first indication of time is within a threshold value of the second indication of time. In response to detecting the potential read anomaly, the read may be performed after the transaction specified by the transaction request, regardless of whether the first indication of time is indicative of an earlier point in time than the second indication of time.
Public/Granted literature
- US20140337393A1 TRANSACTION ORDERING Public/Granted day:2014-11-13
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