People frequently ask me if the fact we keep information public can hurt our consulting business ? Lets keep aside for the moment amount of new business publishing this information brings to us but think it also have significant negative effect because people find information on MySQL Performance Blog and use it instead […]Read more
Well these days we see a lot of post for and against (more, more) using of MySQL and DRBD as a high availability practice.
I personally think DRBD has its place but there are far more cases when other techniques would work much better for variety of reasons.
First let me start with […]
In my post on estimating query completion time, I wrote about how I measured the performance on a join between a few tables in a typical star schema data warehousing scenario.
In short, a query that could take several days to run with one join order takes an hour with another, and the optimizer chose […]