Concurrency
SQL Server concurrency describes how multiple sessions and transactions interact while accessing shared data. These articles examine locking, blocking, transaction behavior, and the conditions that affect workload responsiveness.
Blocking and Concurrency in SQL Server: Why “Enough CPU” Does Not Mean Your System Is Fine
In many SQL Server environments, SQL Server blocking and concurrency problems do not start with dramatic infrastructure metrics. CPU usage looks normal, memory does not show obvious pressure, and storage latency stays within the expected range. From an infrastructure perspective, the server appears calm. At the same time, users wait, ...
