In this post, I discuss about not forgetting to allow for additional head room when planning out new hardware, especially for HA/DR needs.
Understanding NUMA in SQL Server VMs
What really is NUMA and why do we as database administrators care? NUMA stands for “Non-uniform Memory Access” and allows for increased CPU & memory performance. This is because a memory bank is physically adjacent to a CPU socket on the motherboard of the server. Each combination of memory and […]
Enabling SQL Server Optimizer Hotfixes
There are a number of knobs and switches that are available to database administrators that can be used to enable better performance. There are three options in particular that this blog will be discussing, trace flag 4199, the database scoped configuration QUERY_OPIMIZER_HOTFIXES and the qeury hint ENABLE_QUERY_OPTIMIZER_HOTFIXES. Understanding how these […]
Quickly Blocking Inbound Connections to SQL Server
In this post we’ll examine a quick and easy way to block all inbound connections to SQL Server. Sometimes the brilliance of a solution is lost in its simplicity. Full disclaimer, this was Joey D ’Antoni’s (B|T) idea, however, he has given me permission to blog about it. Recently, Joey […]
Finding Foreign Key Child Records In SQL Server
Foreign keys help to ensure referential integrity between tables. In other words, parent records cannot be deleted if there are child records present. This is a great thing and if you aren’t using foreign keys currently, you really should be. While very helpful with referential integrity foreign keys can introduce […]
Changing MaxDop For Resumable Index Create Operations
I’ll admit it, sometimes I’m wrong. Recently I blogged about the usefulness of a newer feature that was enhanced with the release of SQL Server 2019. Resumable Indexes operations was introduced with SQL Server 2017 however it was limited to only REBUILD operations. With the release of SQL Server 2019, […]
Resuming Index Operations With Different Options
Starting with SQL Server 2017, Microsoft introduced the ability to pause and then resume index rebuilds. This was a great feature and with the release of SQL Server 2019, we now have the ability to do the same functionality on the actual create index process. The ability to pause and then […]
Getting Your SQL Server Backup Footprint
Recently, I needed to be able to determine the total size for all the most recent full backups for certain servers. Luckily for me these particular servers were using Ola Hallengren’s Maintenance Solution which simplified things since each back up had it’s own specific directory. Powershell has the flexibility to […]