SQL Performance

AUGUST 14, 2019

SQL Server 2016 introduces the batch-mode Window Aggregate operator, which removes the performance penalty part of the pitfall, but prior to SQL Server 2019 this operator is used only if you have a columnstore index present on the data. This would have resulted in quadratic, or N 2 , complexity.

Best Practices 108

Best Practices Servers Database Azure 108

SQL Server According to Bob

JULY 13, 2016

20+ years ago when I joined Microsoft I was handed a diskette (maybe it was two), and was told “Here is SQL Server. So I proceeded to install SQL Server 4.20 There was a GUI as part of setup but within just a few clicks, SQL Server was installed and ready for use. So now there are more choices to make when installing SQL Server.

Servers 40

Servers Media Engineering Virtualization 40

Percona

APRIL 12, 2023

Whereas many open source software offerings — like the community version of MySQL — use the GNU General Public License ( GPL ), MongoDB has been under the GNU Affero General Public License ( AGPL ) and more recently under the Server Side Public License ( SSPL ), introduced by MongoDB itself. Is MongoDB free to use?

Open Source 98

Open Source Programming Database Servers 98

SQL Performance

MARCH 15, 2021

This time around, I want to talk about a feature included with SQL Server client tools that we should not be using these days – not just because it is deprecated but, more importantly, because it has the potential to completely take a server down: SQL Server Profiler. Not too long ago, something like this happened to us.

Servers 64

Servers Azure Best Practices Monitoring 64

SQL Server According to Bob

JANUARY 26, 2017

My goal is to resolve mysteries about SQL Server I encounter but do this without going straight the source code first. The first case that helped me start this journey was asked by a MVP within the SQL Server community (his first name starts with Joey<g>). The question went something like this….

Servers 40

Servers Database Azure Cache 40

Smashing Magazine

JULY 6, 2021

With Luminary’s 21 years of experience in the digital space, my experience of 17 years in the CMS space as well as our focus on Headless since 2016, here are my two cents on what you should look out for. Similarly, when it comes to procuring infrastructure, you can choose to host your site on Netlify, Azure, GCP or AWS. Omnichannel.

Cache 145

Cache Website Mobile Google 145

SQL Server According to Bob

JUNE 27, 2016

To some of you SQL Server On Linux is old news from various announcements made a couple of months ago. Yes, SQL Server runs on Linux! It was Jan 2015, in my previous supportability role, that I started looking at SQL Server on Linux. I proceeded to install an Ubuntu VM and the internal build of SQL Server on Linux.

Servers 40

Servers Games Azure Testing 40

Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory.

Performance 52

Performance Latency Cache Virtualization 52

SQL Performance

MAY 7, 2019

I’m going to introduce you to wait statistics and explain how critical they are for troubleshooting workload performance in SQL Server. The execution of SQL Server’s internal code is done using a mechanism called threads. When that happens, SQL Server makes a note of why the thread had to wait and this is called the wait type.

Servers 40

Servers Metrics Azure Tuning 40

The Symphonia

DECEMBER 6, 2017

Despite the fanfare, therefore, AWS is still behind Microsoft Azure Functions when it comes to debug tooling. without web app servers?—?to There have been some improvements since re:Invent 2016 but to see nothing announced at this re:Invent was very disappointing. to a massively distributed CDN network a possibility.

Serverless 40

Serverless Lambda AWS Traffic 40

SQL Server According to Bob

DECEMBER 18, 2018

SQL Server relies on Forced-Unit-Access (Fua) I/O subsystem capabilities to provide data durability, detailed in the following documents: SQL Server 2000 I/O Basic and SQL Server I/O Basics, Chapter 2. Be sure to deploy SQL Server 2017 CU6 or newer for best data durability and performance results. “. The Back Story.

Servers 90

Servers Media Cache Storage 90

SQL Server According to Bob

JANUARY 28, 2018

Note: SQL Server can be a client using a linked server, allowing SQL Server to become an APP and/or an RM ). The application then uses the SQL Server client (SQL Server ODBC for this example) to establish a TDS based connection to the target SQL Server (local or remote.). Local Host Name. The olehlp!

Servers 40

Servers Azure Engineering Java 40