Another SQL Server upgrade failure: upgrade step SSIS_hotfix_install.sql hit error 15151 because a user did not exist. Here is how I fixed it.
How to Grow All Files in a File Group Equally? – TRACE FLAG 1117 – Interview Question of the Week #201
How do you grow all files in a file group equally? The answer is Trace Flag 1117, plus the AutoGrow option that SQL Server 2016 brought for filegroups.
SQL SERVER – Parallel Redo on AlwaysOn Secondary – DIRTY_PAGE_TABLE_LOCK
Redo lag and high DIRTY_PAGE_TABLE_LOCK waits hit a client’s AlwaysOn secondary. Here is how Parallel Redo in SQL Server 2016 causes them and what to do.
High CPU Consumption in SQL Server: Where to Look First
High CPU consumption in SQL Server comes from a handful of causes, and a short checklist finds them in order. This post reads the scheduler queue, ranks cached queries by CPU, and checks the Common Criteria Compliance setting that caused a known CPU problem after upgrades. It ends with the update that fixed that case and the questions to ask before you add cores.
SQL SERVER – FIX: Msg 3009 – Could Not Insert a Backup or Restore History Detail Record in the MSDB Database
A backup finished but raised Msg 3009: could not insert a backup or restore history detail record in msdb. Here is why, with steps to reproduce it.
SQL SERVER – Database Scoped Configurations – Query Optimizer Fixes
During recent SQL Server Performance Tuning Practical Workshop I receive following question about Query Optimizer Fixes.
SQL SERVER – Jump in Identity Column After Restart
A change in SQL Server 2012 can cause a jump in identity column values after a restart. Here are the steps to reproduce it and what you can do about it.