Efficient handling of mostly read data in a computer server

Details Efficient handling of mostly read data in a computer server Efficient handling of mostly read data in a computer server

2006-06-07

2009-02-10

Mahmoudi, Tony (Department: 2169)

Data processing: database and file management or data structures

Database design

Data structure types

C709S223000, C709S217000, C707S793000

Reexamination Certificate

active

07490111

ABSTRACT:
An apparatus and method is described for improving access to mostly read data on network servers. The preferred embodiments more efficiently utilize replicated data servers to minimize server response time for improved performance of data access to network servers by workload managing client requests across the primary server and all replicated servers when it is possible to do so. In preferred embodiments, a load balancer supplies the most current data for mostly read data transactions while maximizing server usage by workload managing client requests across the primary server and all replicated servers. Client requests are managed by a load balancer in the workload manager. Client requests are sent by the load balancer to replicated servers when a routing table (stale data marker list) indicates that the data is in a safe period. Clients are directed exclusively to the primary server only during data update times.

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Birgit Roehm, Balazs Csepregi-Horvath, Pingze Gao, Thomas Hikade, Miroslav Holecy,Tom Hyland, Namie Satoh, Rohit Rana, Hao Wang;IBM Redbooks:“IBM WebSphere V5.1 Performance, Scalability,and High Availability”; http://www.redbooks.ibm.com/redbooks/pdfs/sg246198.pdf; Jun. 2004; Chapter 4,5,6,10,11,12.

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