Ning Sun

Our current jdbc integration test are based on babashka, a modified clojure runtime. After some investigation, I found it's difficult to add support for prepared statement. We can switch to...

Add a go client to our integration test set.

Seek to see if our query handlers can fit into tower's service design

Backend Key is designed to work as an id of particular connection. Frontend could open another connection to send `Cancel` request with that id, in order to cancel an in-progress...

Provide instrument for connection pool of [sqlx](https://github.com/launchbadge/sqlx)

Adding code example to demonstrate usage of our Prometheus exporter.

Add a built-in instrumentation for system metrics, including: - CPU user/sys/idle - Memory - Configurable network in/out - Disk in/out

bb8 is a non-blocking connection pool for tokio environment.