Re-framing: The Most Effective Software Performance Analysis Technique
Re-framing is a Design Thinking technique which, when applied to software performance analysis, can yield the greatest opportunities for improvement.
Improving OLTP Database Throughput - Dr Dobb's Journal
Parallel threads and JDBC connection pools can be useful, but should not be used blindly. When handling numerous transactions with small overhead on heavily contended systems, batch processing often provides a better solution.