Autonomically adjusting configuration parameters for a...

Details Autonomically adjusting configuration parameters for a... Autonomically adjusting configuration parameters for a...

2005-06-09

2008-12-09

Iqbal, Nadeem (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

Reexamination Certificate

active

07464303

ABSTRACT:
A load balancer detects a server failure, and sends a failure notification message to the remaining servers. In response, one or more of the remaining servers may autonomically adjust their configuration parameters, thereby allowing the remaining servers to better handle the increased load caused by the server failure. One or more of the servers may also include a performance measurement mechanism that measures performance before and after an autonomic adjustment of the configuration parameters to determine whether and how much the autonomic adjustments improved the system performance. In this manner server computer systems may autonomically compensate for the failure of another server computer system that was sharing the workload.

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Schroeder, et al., “Scalable Web Server Clustering Technologies”, IEEE Network, May 2000, pp. 38-45, vol. 14, No. 3, IEEE Service Center, New York, NY.
Schroeder, et al., “The SASHA Cluster-Based Web Server”, Nov. 23, 1999, <http://h00e0293cd3be.ne.client2.attbi.com/OLD/tech/src/1smac2/paper/paper.html>.

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