IP Library Granted Patent US 7,487,184
Granted Patent B1
US 7,487,184 · App. 12/117,816 · Granted Feb 3, 2009

Method, system, and computer program product for improved round robin for time series data

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Quick Facts
Patent No.
US 7,487,184
App. No.
12/117,816
Granted
Feb 3, 2009
Kind
B1
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.

Claims (5)

1. A method for storing time series data in a database using round robin, comprising:

receiving user inputs specifying a time period and a sample rate for collection of delta samples, each of the delta samples representing a difference between two subsequent values of the time series data;

accumulating the delta samples over the time period in accordance with the sample rate;

calculating a field size for storing the delta samples for the time period based on a maximum one of the delta samples; and

writing the delta values to the database using the calculated field size, the database being relatable to a plurality of records, each of the plurality of records corresponding to a respective one of a plurality of time periods for delta sample collection and having an adjustable field size for delta sample storage based on a maximum delta sample value for the respective one of the plurality of time periods.

Assignments (3)
CHANGE OF NAME Recorded Aug 26, 2014
From: SAP AG
To: SAP SE
Reel/Frame 033625/0334 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 12, 2012
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: SAP AG
Reel/Frame 028540/0522 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 9, 2008
From: BARRETT-LENNARD, MICHAEL JOHN
To: INTERNATIONAL BUSINESS MACHINES CORPORATION
Reel/Frame 020924/0265 →