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What are the most common causes of SQL Server performance problems?
With more than 100 years of SQL Server experience between them, we asked our Data Platform consultants to share their opinions on the most common causes of performance problems and of course, how to avoid them. Happy performance tuning! Now this isn’t a cause but if you hit a performance problem, checking your wait stats is the place to start.
What can I do about my SQL Server performance?
Monitoring your counters when your environment is healthy will give you a good baseline. If you’re not a Virtual DBA customer, you could try using a free tool like the Performance Analysis Log (PAL). PAL enables you to produce a template for collecting your performance counters, collect 24 hours worth of data and produce a report.
When does SQL Server 2008 R2 go out of support?
SQL Server 2008 and SQL Server 2008 R2 are rapidly approaching the end of Extended support from Microsoft on July 9, 2019. SQL Server 2014 is also falling out of Mainstream support on July 9, 2019. SQL Server 2012 fell out of Mainstream support on July 11, 2017.
Is it good to upgrade to SQL Server 2016?
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 products than their predecessors.
Do you need a spatial index in MSSQL?
Firstly, make sure there is a spatial index on the [Shape] column. Secondly, there is no need to call STAsText () in the WHERE clause since that will force each row to convert to string unnecessary (and disqualify the use of any spatial indexes I think).
How to fix filter driver in SQL Server?
Identify the filter driver that is causing the problem. Perform the following actions for that filter driver in question: Configure the filter driver or its associated software in such a way that it does not interfere with the SQL Server workload or operations. Disable the filter driver from loading into the system.
Are there any filter drivers that cause performance issues?
The following filter drivers that can cause performance and stability issues for SQL Server: MFEBOPK.SYS This filter driver is used for the Buffer Overflow Protection feature in McAfee VirusScan Enterprise. If you have this feature enabled, you will notice that sqlservr.exe is among the list of processes protected by Buffer Overflow Protection.
How to find your worst performing SQL server queries?
SQL Server is an amazing product: it can immediately give you very good answers to your questions. You only have to know where to search for your answer. Regarding poor performing queries you should always start by analyzing the DMV sys.dm_exec_query_stats, where SQL Server stores runtime statistics about your execution plans.
How to check the performance of SQL Server?
To quickly get an overview of the instance I recommend you use the Performance Dashboard Reports available for free from this link http://www.microsoft.com/en-us/download/details.aspx?id=29063. With this report you can see if your SQL Server instance is under CPU pressure and the actual waiting tasks.
Are there any good questions to ask SQL Server?
Ask SQL Server! The nice thing about SQL Server is that SQL Server itself can answer almost all of your questions, because SQL Server stores a lot of troubleshooting information in various Dynamic Management Views (DMVs) and Dynamic Management Functions (DMFs).
What does appropriate indexing mean in SQL Server?
Appropriate indexing means only creating indexes which have a positive impact to your read performance that outweigh the negative impact on write performance which requires a good understanding of your workload. This script will help you identify missing indexes:
Why are indexes so bad in SQL Server?
3. Implement indexes that provide a benefit to your queries. This involved creating missing indexes and removing poor performing or unutilized indexes. Having a large number of indexes can be detrimental to DML transactions.