MAXDOP limits supported parallel index operations without changing unrelated instance settings. I choose the ceiling from the maintenance workload.
SQL Server emergency? Email pinal@sqlauthority.com with URGENT in the subject line.
Query Store Wait Stats: Why a Query Was Slow, Not Just That It Was
Read Query Store wait stats by query, plan, interval, and category, then compare matched windows with execution counts and capture coverage.
Large Memory Servers: How SQL Server Scans the Buffer Pool
SQL Server scans the buffer pool during startup, backup, restore and DBCC, and large memory servers feel it most. An extended event records the scans, shows which commands start one and how many tasks each uses. The last sections explain what SQL Server 2022 changed.
SQL Server 2022 – Thread Management for Performance Improvement
I had a great discussion about Thread Management for Performance Improvement with my client, who recently hired me for Comprehensive Database Performance Health Check.
Common Mistakes to Avoid for DBAs Working with MySQL Databases
“What are some common mistakes you see DBAs make when working with MySQL databases, and how can they be avoided?”
SQL Server 2022 Performance – Buffer Pool Scan
One aspect that can significantly impact performance is scanning the buffer pool in Microsoft SQL Server. This blog explores buffer pool scan.
Implicit Transactions in SQL Server: The Setting That Leaves Work Open
Implicit transactions make SQL Server open a transaction on the first data statement and keep it open until a COMMIT or ROLLBACK. This post shows what starts one, how @@TRANCOUNT counts it, why a second session waits, and how to find and clear the sessions that left work open.
SQL Server slow? Let's fix it together in about four hours.
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