Performance degradation after migrating from SQL Server 2016 to ...

Performance degradation after migrating from SQL Server 2016 to SQL Server 2022 · Changed compatibility level of databases to 160 (for SQL ...

Facing Performance issues in SQL Server 2016 after migration

Recently, we migrated the servers from SQL Server 2012 to 2016. Without any changes, a few of the queries got performance degraded.

Performance degraded after migrating to 2016 from 2012

You can try various options on the database level, like updating the COMPATIBILITY_LEVEL to 130 since you upgraded from SQL 2012 to 2016, it ...

Upgrade compatibility level degrades performance - SQL Server

In this scenario, you experience performance degradation if the query returns a large result set. Resolution. To address this issue, try one of ...

SQL Server performance issue after an upgrade

Software change, that includes a higher version of the product that my company develops. · Migration of OLAP server to a new server with ...

Awful performance on SQL 2019 compared to 2016 - Reddit

2. Running the database in compatibility mode of 130 on the 2019 server to follow Microsoft's official suggestion when deploying on 2019.

SQL Server 2022 Poor performance vs SQL Server 2016 - Reddit

Just restored a SQL Server 2016 Database into a brand new SQL Server 2022 (better server specs). The problem is that the processing of my application is almost ...

Why does query run quickly in SQL Server 2016 but stalls out in 2019?

Optimization is a kind of a guessing game, and every once in a while, the changes backfire and performance degrades. The good news is that with ...

SQL Server Performance Issue After An Upgrade - CodeProject

Some followup discussions with the hardware team revealed that SQL Server was unable to send threads across all CPUs due to a non-core-based ...

A Horror Story – Upgrading SQL Server to a Newer Version!

... 2016 SQL Server instance - causing even more 'horror'! In most of the cases, performance degradation after a SQL Server upgrade is because ...

Queries are running slower after migrating? - Kohera

The most common reason for this are the query optimizer changes added in SQL 2014. Which causes this issue to occur when migrating from SQL 2012 or even older ...

SQL Performance degraded after database migration to new server

After the migration, few of the SQL performance is degraded. The sql on the largest table (350GB) is slower compared to old system.

Preventing SQL Server Upgrade Performance Issues

I see this as a positive development overall, since SQL Server 2016 and newer actually have many useful new features that make them much better ...

Why an Upgrade can Cause Performance Regressions (Dear SQL ...

The new hardware may have a bottleneck that only shows up under load · We saw SOS_SCHEDULER_YIELD in wait stats - when SQL Server was trying to ...

SQL moving from Windows Server 2008R2 to 2016 is very slow.

We moved a fairly small DB to the new server. When doing queries in app after the move, the new server takes 5-10 seconds to return a response ...

SQL SERVER 2019 - Performance Issues After Upgrading from SQL ...

When we upgrade to the latest SQL Server version, we usually expect better performance as our hardware is improved, our SQL Server has the ...

New Server 2016 and Migrating SQL from 2012 to 2016. - THWACK

So the way I would approach this is to restore a db backup to any sql instance that you own that runs SQL 2014-2016, this is just temporary and ...

After Migrating to 2019, Some Queries are Slow

So we migrated from 2012 to 2019. When the db is set to Comp Level 2019, some queries run much slower. Is there a way to update all procs ...

Is SQL Server 2019 More CPU-Intensive Than SQL Server 2016?

With 150 compat level, SQL Server 2019 is about 15% faster than 2016. Using 150 compat on the AMD processors I have tested also helps quite a ...

Query Store Hints, how can it help in performance issues? - SQL Land

Last December I got lucky since after upgrading from SQL Server 2012 to 2022, one of my clients had a process running in a particular ...