SRE/Data Persistence/Databases

From Wikitech

SRE Data Persistence technical documentation

One stop shop for everything you need to respond to a DB-related incident.
Key dashboards showing the health of the database infrastructure.
Step by step instructions on how to administer and troubleshoot the databases.
Details of the database architecture and configuration.
Adding a table? Making a schema change? Writing code that interacts with a DB? Look here.