Apparatus and method for determining load balancing weights using application instance statistical information
First Claim
1. A method, in a data processing system, of distributing traffic to application instances on one or more computing devices, comprising:
- obtaining application instance specific operational information identifying operational characteristics of an application instance on a computing device of the one or more computing devices;
generating a load balancing weight to be associated with the application instance based on the application instance specific operation information obtained; and
distributing traffic to the application instance based on the generated load balancing weight.
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Abstract
An apparatus and method for distributing traffic across a group of machines using application instance statistics. In order to perform load balancing in accordance with the present invention, a method of generating weights to bias load balancing distributions is provided. The application instances to which traffic is being distributed, or the application middleware, are instrumented to establish certain metrics about the application while running. The application instance instrumentation will provide application statistics such as number of successful transactions, application response times, application topology, importance of transactions being processed, time the application is blocked waiting for resources, resource consumption data, and the like. These metrics are collected, processed, and then presented as a set of weights to the load balancing apparatus to govern its distribution of traffic. With such application metrics available, traffic can be disbursed based on the current state of the application instances and other application instances in the transaction'"'"'s path, the application instance'"'"'s likelihood to complete the request, or even higher level business-oriented goals.
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Citations
20 Claims
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1. A method, in a data processing system, of distributing traffic to application instances on one or more computing devices, comprising:
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obtaining application instance specific operational information identifying operational characteristics of an application instance on a computing device of the one or more computing devices;
generating a load balancing weight to be associated with the application instance based on the application instance specific operation information obtained; and
distributing traffic to the application instance based on the generated load balancing weight. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A computer program product in a computer readable medium for distributing traffic to application instances on one or more computing devices, comprising:
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first instructions for obtaining application instance specific operational information identifying operational characteristics of an application instance on a computing device of the one or more computing devices;
second instructions for generating a load balancing weight to be associated with the application instance based on the application instance specific operation information obtained; and
third instructions for distributing traffic to the application instance based on the generated load balancing weight. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A system for distributing traffic to application instances on one or more computing devices, comprising:
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means for obtaining application instance specific operational information identifying operational characteristics of an application instance on a computing device of the one or more computing devices;
means for generating a load balancing weight to be associated with the application instance based on the application instance specific operation information obtained; and
means for distributing traffic to the application instance based on the generated load balancing weight.
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Specification