I ran into an issue while trying to setup a simple test system for myself to move from CentOS 6 to 7. When I was about to start a standby slave systemd reported PostgreSQL startup timeout and stopped it. Although it was running perfectly fine doing recovery.
In var … Continue reading
In web applications it’s very common to try to limit the results by group. For example showing all the new posts with the the two latest comments on them. Or have the best selling categories in an e-commerce website showing the 3 most popular products in those categories.
In MySQL … Continue reading
I have a database migrated from MySQL to PostgreSQL (I had my good reasons but this post is not about that). In MySQL because of MVCC behaviour it makes sense and it’s actually a recommendation to split frequently updated columns from large tables especially if using a web framework like Django … Continue reading
Postgresql has really come a long way from being the standard but relatively slow database to the feature rich and extremely fast database what it is today. Supporting unstructured data (HSTORE, JSON[B]), geo function (PostGIS), full text search (TSVECTOR) it is representing a true competition to the search engines.
Looking … Continue reading
I don’t know how many of you are out there but I know at least some who’s lazy enough to rather write scripts than doing the same task over and over again. I’m definitely one of them. I hate repetitive tasks. Just like Abraham Lincoln said: “If I had eight hours … Continue reading