PostgreSQL DBA's Troubleshooting toolkit - Distilling 20 Years of Notes and learning

This talk is intended for someone who is learning PostgreSQL and trying to gain good DBA skills. A DBAs become smarter if they can inherits the knowledge in the community in a most efficient way. As a PostgreSQL enthusiast, I had opportunity to attend hundreds or thousands of user cases over the years, many of those experience & knowledge ended up in personal notes. For the last 7 years, I have been converting all those notes and learning into tooling with good analytical and conclusive critical findings/ This talk is about wide verity of problems a smart tool can help someone to detect.