Check trace flag 3226, understand suppressed backup success messages, and use msdb history to monitor backups without log noise.
Trace Flags 1117 and 1118 No Longer Required since SQL Server 2016
In this blog post, we will discuss the recent implementation of trace flags 1117 and 1118 by a client when it is not required since 2016
Detecting Deadlocks in SQL Server Using Trace Flags 1204 and 1222
Well, let us discuss Detecting Deadlocks in SQL Server Using Trace Flags 1204 and 1222. T-SQL for enabling, disabling, and checking the status of these trace flags.
USE HINT: Switching Off One Optimizer Rule Without Trace Flags
Apply USE HINT to one query, inspect supported names, compare optimizer behavior, and manage Query Store hints with a clear removal plan.
Check Trace Flag Status With DBCC TRACESTATUS
DBCC TRACESTATUS checks trace flag status. Run it with -1 to list every flag that is on, or with flag numbers to test them one by one. This post turns on a harmless session flag, reads its scope, finds startup flags, and stores the result in a table.
Disable Query Store on an Always On Database: What Blocks It
To disable Query Store on an Always On database, run ALTER DATABASE with QUERY_STORE = OFF, and try OFF (FORCED) when the statement waits. This post shows the states to read, the background commands that block the statement and the steps used on an Always On database. It marks which parts were tested on a single server and which come from a client case.
AUTOGROW_ALL_FILES: What Replaced Trace Flags 1117 and 1118
AUTOGROW_ALL_FILES and MIXED_PAGE_ALLOCATION replaced trace flags 1117 and 1118, which once made tempdb grow its files together and use whole extents. This post checks the flags on a server, reads the settings that replaced them and demonstrates both on a demo database. It also says what to do with a startup parameter that still names them.