Diagnose WRITELOG waits with log-file latency, commit patterns, and measured choices for batching, storage, and durability.
SQL Server emergency? Email pinal@sqlauthority.com with URGENT in the subject line.
Does Parallel Threads Process Equal Rows? – Interview Question of the Week #211
Do parallel threads process equal rows? Usually no, and a simple AdventureWorks query with its actual execution plan proves it in a few seconds.
SQL SERVER – Msg 2555: Cannot Move All Contents of File to Other Places to Complete the Emptyfile Operation
Removing extra TempDB files failed with Msg 2555: Cannot move all contents of file to other places to complete the emptyfile operation. Let me show you the steps.
SQL SERVER – Patch Failure – Unable to Retrieve the Cluster Service
Patching SQL Server 2008 R2 on a Windows Server 2012 cluster failed: unable to retrieve the Cluster Service. Here is what Detail.txt showed and the fix.
SQL SERVER – Error 1051: A Stop Control Has Been Sent to a Service that Other Running Services are Dependent On
Stopping SQL Server in my lab gave Error 1051: A stop control has been sent to a service that other running services are dependent on. Here is what caused it.
SQL Server Cluster Resource in Online Pending Too Long
A SQL Server cluster resource that stays in Online Pending for minutes can be waiting for database recovery. This post reads the cluster events and log lines of one case, finds an 8 minute gap, and traces it to a huge number of virtual log files that a log backup and a shrink fixed.
SQL Server Integration Services (SSIS) – There Was an Exception While Loading Script Task from XML
An SSIS package ran fine in Visual Studio but failed as a SQL Agent job: There was an exception while loading Script Task from XML. Here is why and the fix.
SQL Server slow? Let's fix it together in about four hours.
In my Comprehensive Database Performance Health Check, you share your screen, I guide you, and we fix your biggest performance troublemakers. No passwords. No remote access.
You keep every script, and the know-how to fix it yourself next time.
Want your whole team to learn it?
My Practical Workshop has no PowerPoint, just live demos. My AI Enablement Workshop shows your team where AI saves hours, and where it quietly costs them.
Over 400 customers have worked with me this way, and not one shared a password. See all consulting options.
Who We Are
Pinal Dave is an SQL Server Performance Tuning Expert and independent consultant with over 24 years of hands-on experience. He holds a Masters of Science degree and numerous database certifications.
Pinal has authored 19 books and 125 Pluralsight courses. To freely share his knowledge and help others build their expertise, Pinal has also written more than 5,800 database tech articles on his blog at https://blog.sqlauthority.com.
Pinal is also a CrossFit Level 1 Trainer (CF-L1) and CrossFit Level 2 Trainer (CF-L2).
Nupur Dave is a social media enthusiast and an independent consultant. She primarily focuses on the database domain, helping clients build short and long-term multi-channel campaigns to drive leads for their sales pipeline.
Shaivi Pinalkumar Dave is a book author and a women’s artistic gymnast.

