SQLServerCentral Article

SSC Clinic: Can Implementing "Optimize for Ad Hoc Queries" Boost Performance for the SQLServerCentral.com and Simple-Talk.Com SQL Servers?

With the introduction of the instance-level option “optimize for ad hoc workloads” in SQL Server 2008, DBAs have a tool to deal with a problem known as plan cache pollution, or plan cache bloat. It’s often caused when one-time use ad hoc queries are sent to SQL Server from Object-Relational Mapping (ORM) solutions, such as LINQ, NHibernate, or Entity Framework. The problem can prevent SQL Server from using its available memory optimally, potentially hurting performance.

External Article

SQL Server Prefetch and Query Performance

Prefetching can make a surprising difference to SQL Server query execution times where there is a high incidence of waiting for disk i/o operations, but the benefits come at a cost. Mostly, the Query Optimizer gets it right, but occasionally there are queries that would benefit from tuning.

External Article

A first look at SQL Server 2012 Availability Group Wait Statistics

If you are trouble-shooting an AlwaysOn Availability Group topology, a study of the wait statistics will give a pointer to many of the causes of problems. Although several wait types are documented, there is nothing like practical experiment to familiarize yourself with new wait stats, and Joe Sack demonstrates a way of testing the sort of waits generated by an availability group under various circumstances.

Blogs

PlanTrace Now Supports PostgreSQL

By

PlanTrace Now Supports PostgreSQL The same plan analysis you know from...

A New Word: the Kinder Surprise

By

the kinder surprise – . the point in your early adolescence when you realize...

Crash-Consistent Snapshot Cloning - Hyper-V Edition

By

If you’ve been following my T-SQL Snapshot Backup series, most of what I’ve covered...

Read the latest Blogs

Forums

BCA KCP Santa Tlpn/wa0853.7373-7551

By aaron.carr

Jl. Wolter Monginsidi No.54, Petogogan, Kec. Kby. Baru, Kota Jakarta Selatan, Daerah Khusus Ibukota...

Call Center Batik Air Yogyakarta

By aaron.carr

Call Center Batik Air Yogyakarta dapat di lakukan menghubungi CS resmi Batik Air di...

Call Center Batik Air Medan

By aaron.carr

Call Center Batik Air medan dapat di lakukan menghubungi Layanan resmi Batik Air di...

Visit the forum

Question of the Day

SSoL Support on the OS

On which Linux versions is SQL Server 2025 on Linux supported?

See possible answers