SQL Server Extended Events can be used to collect and analyze detailed performance metrics. Jeremiah Peschka demonstrates a technique in this article.
sysdig - a system exploration and troubleshooting tool
It’s common practice for IT vendors to keep some of the commands and statements for their own use, and to avoid publishing or documenting these tools for two
The question of whether a database has enough redo logs available is quite common. The documentation suggests to use FAST_START_MTTR_TARGET and
confess - Uses PhantomJS to headlessly analyze web pages and generate manifests.