Mining the system_health Session You Already Have
The system_health session runs by default and writes .xel files. Read the event file, shred the XML, and mine the diagnostics on disk.
A Lightweight Error Audit with Extended Events
Capture error_reported in Extended Events, filter the backup and informational noise at the session, and triage real errors by severity.
Blocked Process Reports: From Capture to Root Cause
Enable the blocked process threshold, capture blocked_process_report in Extended Events, and shred the XML into a blocker and blocked view.
From Deadlock Graph to Repeat Offender: A Production Extended Events Pipeline
Capture xml_deadlock_report in an Extended Events session, persist it past the ring buffer, and rank the repeat-offender procedures in T-SQL.
Does SQL Server Support Custom Domains?
If you have spent time with PostgreSQL or Oracle, or read enough of the SQL standard to regret it, you have probably met the CREATE DOMAIN statement. A domain is a named, reusable type with…
Isolation Is a Contract: Multi-Tenant Data Boundaries
This is the last post in the series, and it is about the promise with the least tolerance for being broken. Most contract violations cost you a bug report or an awkward migration. This one…