The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 06, 2019
Filed:
Jun. 17, 2014
Amazon Technologies, Inc., Seattle, WA (US);
Alazel Acheson, Redmond, WA (US);
Meng Hu, Jiangsu, CN;
Nauman Zubaid Khan, Redmond, WA (US);
Mai-Lan Tomsen Bukovec, Seattle, WA (US);
Amazon Technologies, Inc., Seattle, WA (US);
Abstract
A computing resource service provider may store user data in a distributed data storage system. The distributed data storage system may contain one or more storage partitions configured to store based at least in part on prefixes of keys contained in a key-value store, where the size of the keys may vary. The one or more storage partitions may track requests to access data where the requests include a key such that the data may be located by the service provider based at least in part on the key. When a request is received a skew value associated with the key included in the request may be determined. The skew value may be determined based at least in part on the ratio of rate estimators, where the rate estimators represent a weighted average of the movement of the keys in a key space. If the skew value exceeds a threshold the service provider may take mitigating action.