The ‘Captain Obvious’ method for super-fast software

The ‘Captain Obvious’ method for super-fast software

Most performance issues I've encountered in the past were not because we’ve reached the limits of our tools or our architecture. They were usually because of a more mundane origin: people forgetting indexes, ignoring caches, not bulking queries, writing chatty APIs, fetching way more than needed. Or, if you wish, The real reason behind most performance issues is that people write stupid code.