SQL Daily just tweeted about the fact that JDBC roundtrips are expensive. This is something many developers either forget or do not know. I have seen so many chatty applications killing the application performance, and the database performance. Toon Koppelaars have performed some excellent presentations showing this. Lukas Eder have […]
I really enjoyed the following article about Java, Time and Dates: https://yawk.at/java.time/ From the article: An introduction to java.time Time is a complex topic. Many programmers are unfamiliar with the difficulties and common bugs associated with time. This has in the past lead to time APIs that allowed “sloppy” code which […]
First time I heard about end-to-end metrics was in a presentation given by Cary Millsap. The name of the presentation was «Thinking Clearly About Performance». The presentation was great. One of the quotes that I really enjoyed was «Performance does not happen by accident! It’s a feature.». One of the […]
The «Mastering Oracle Trace Data» from Cary Millsap is a great book about performance in general, and about how to work with trace data. The second edition have several new chapters adding valuable knowledge to both developers and DBAs. This is one of the books that you really should have […]
Why in the world should an Oracle DBA spend two workdays at a Java conference like JavaZone. It doesn’t matter if the JavaZone is the third biggest Java conference in the world, serve great food all day long, have a concert at night with awesome bands, and – of course […]