Case Study: Dillard's reduces CPU use 35% and cuts MIPS consumption up to 90% with BMC Software performance solutions

Dillard’s satisfies retail customers at 330 U.S. locations by processing complex transactions quickly and cost-efficiently

Dillard’s, serving customers at 330 U.S. locations, relies on an IBM DB2 mainframe to process complex pricing, promotions, and loyalty discounts for both online and in-store sales. During peak periods the DB2 system struggled to deliver fast, real‑time performance, threatening transaction integrity, customer service, and forcing consideration of costly mainframe upgrades.

Dillard’s deployed BMC Database/System/SQL Performance for DB2 and BMC APPTUNE to monitor systems, identify the top CPU‑consuming transactions, tune SQL, and simulate changes safely. The results: CPU utilization dropped 35%, MIPS consumption fell as much as 90% for a critical application, change risk was reduced, developers could prioritize fixes more effectively, and a costly CPU upgrade was avoided.

Dillard's

Marc Tougaw

DB2 Systems Programmer, Dillard’s