Photo by Ayo Ogunseinde on Unsplash Week 8! I’m Rodrigo, and this is my blog about my SPO 600 course. I’ve posted since January, and so far, I didn’t tell you what is SPO, right? It is Software Portability and Optimization. Today we will approach the Optimization part differently. Instead of squeezing the compiler, we will care about how the software is working. I have a pretty good experience in performance and tuning in Oracle database, PL/SQL and SQL. I can say that, by far, the significant gain in execution time lies in how the software is designed. The same steps that I’ve used, we are going to use in the course. First, do not touch the code without knowing how bad it is. Benchmarking is a must. Before, during and after, these metrics will guide our work and justify hours of analysis and development. It must be done right like a methodic scientist collecting vital data and not rushing. The more depth of info you get, the easiest will be the next steps. Se...