Enabling the HPET Linux kernel setting can significantly improve the performance of a DB2 OLTP workload running on an AMD platform using Opteron processors

While testing an OLTP workload, it was found that when migrating from DB2 V9.1 FP8 to DB2 V9.7 FP1, there was a significant performance regression observed in its runtime. The tests were executed on an AMD Opteron machine running Linux RHEL 5.4. When analyzing the profile of the workload via oprofil

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