Method, system, and computer program product for improved...

Details Method, system, and computer program product for improved... Method, system, and computer program product for improved...

2008-05-09

2009-02-03

Wong, Don (Department: 2163)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000

Reexamination Certificate

active

07487184

ABSTRACT:
A method, system, and computer program product are provided for improved round robin for time series data. The method includes receiving user inputs specifying a time period and a sample rate for collection of delta samples. Each delta sample represents a difference between two subsequent values of the time series data. The method further includes accumulating the delta samples over the time period in accordance with the sample rate, calculating a field size based on a maximum one of the delta samples, and writing the delta values to the database using the calculated field size. The database is relatable to a plurality of records. Each record corresponds to a respective time period for delta sample collection and has an adjustable field size for delta sample storage based on a maximum delta sample value for the respective time period.

REFERENCES:
patent: 6609085 (2003-08-01), Uemura et al.
patent: 7225178 (2007-05-01), Shimokawa et al.
patent: 2002/0103965 (2002-08-01), Dawkins et al.
patent: 2006/0269148 (2006-11-01), Farber et al.
patent: 2007/0294247 (2007-12-01), Papadimitriou et al.
Ajtai et al., Compactly Encoding Unstructured Inputs with Differential Compression, Journal of the ACM, vol. 49, No. 3, pp. 318-367, May 2002.

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