A Look Inside Big Data Cluster Infrastructure Using a Kubernetes IDE

I don’t recall how I came across this Kubernetes IDE called Lens, but all I know is it’s cool as hec! It connects to a Kubernetes cluster (using the kube config file) and gives you an in depth view of all the different Kubernetes objects, their associated yaml files, health/metrics, etc. In this blog post I will show you how we can look into a Big Data Cluster’s Kubernetes infrastructure using Lens.

First let’s install Lens.

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Stop and Start your AKS Big Data Cluster and Save $$$

I remember when I first started deploying Big Data Clusters, they were on Azure Kubernetes Service utilizing the $200 credit for first time sign ups. By the time I got around to figuring out how to deploy the BDC, not only was my $200 credit gone, but I started to incur cost out of pocket.

If only there was a feature that would allow me to stop the VMs in AKS whenever I wasn’t using them. Well, I’m excited to share that Microsoft AKS (Azure Kubernetes Service) came out with a neat feature (currently in preview at the time of the publishing of this post) that allows you to stop and start your AKS cluster by running a simple command. Of course I had to try it out on BDCs and to my surprise it worked. Well, sort of. Let me explain…

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Level Up Your Career with Kubernetes

Are you a data professional and curious about Kubernetes but not quite sure what type of opportunities are available? Maybe you’re hesitant because you think Kubernetes is a “fad”? Or perhaps you’re just starting out in IT and don’t know what path to take?

Whether you are new to IT, or a seasoned IT professional, pondering these questions can be exhausting. In this blog post I will go over the importance of learning Kubernetes and how it can massively level up your career!

First, a little primer.

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From DBA to CKA – How I Passed the CKA Exam

About 2 years ago I started coming across a lot of online chatter on “containers” and “Kubernetes”. This was back in 2018 and around that time I had no interest of learning about it because it had no direct connection to SQL Server and my daily job duties as a DBA. Up until that point I had been working with SQL Server for about ten years. So like most people, “containers and Kubernetes” went in one ear and out the other.

That all changed with the hype, and eventual release, of SQL Server 2019. In SQL Server 2019 comes a feature called “Big Data Clusters”. This new feature in SQL Server really intrigued me because it was something completely different. I started to hear those terms again (containers and Kubernetes) because those are technologies behind Big Data Clusters. Over the next year, I heavily blogged, spoke, and created video content on Big Data Clusters. As a result of my deep passion and promotion of the product, I was awarded Microsoft MVP. My journey didn’t stop there as I have a natural “thirst for knowledge” and had to learn more about the underlying technology that makes Big Data Clusters feasible in the first place: Kubernetes.

So I started to study for the Certified Kubernetes Administrator (CKA) exam.

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How I Studied for, and Passed, Microsoft Exam: AZ-900 Azure Fundamentals

This whole “social distancing” is a perfect time to spruce up the resume. What better way than to add a new certificate? I recently took the Microsoft AZ 900 Azure Fundamentals exam and want to share the two-pronged approach I took to pass.

Before I go into that, I want to talk about the importance of the AZ 900 exam. This is my first certificate in Azure. I have some experience working with Azure through deploying Big Data Clusters on Azure Kubernetes Service. So not every concept was new to me, but I still decided it would be a good idea to expand my fundamental knowledge of Azure.

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How to Upgrade a SQL Server Big Data Cluster

In my previous posts, I showed you how to deploy a single node cluster and a multi-node cluster. That’s find and dandy but how do you upgrade to the newest SQL Server CU? This blog post will show you how to easily upgrade a SQL Server Big Data Cluster. This method applies to a single node or multi-node cluster. It does not matter how many nodes your BDC has, this upgrade process will work.

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How to Deploy a Big Data Cluster to a Multi Node Kubeadm Cluster

In my previous post, I talked about deploying a Big Data Cluster on a single node Kubernetes cluster. That’s cool and all but what if you’re a business or organization that cannot have your data on the cloud for whatever reason? Is there a way to deploy a Big Data Cluster on-premise? Absolutely! I’ll walk you through setting that up this blog post. I will walk you through deploying a 3-node Kubernetes cluster, then deploying a Big Data Cluster on top of that.

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My 2020 Home Office Studio Setup

One of my 2020 goals was to start presenting more. The easiest, and most cost efficient, way to do that is by presenting remotely. Another goal I had was to start creating Big Data Cluster videos for my YouTube channel. These two goals required a different set of tools. I also had no idea how complicated video recording could get. I finally got everything setup the way I want and a few friends asked me about my setup. This blog post will list everything I use and lessons learned.

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Big Data Clusters – A Deeper Dive into the Data Pool

One of the key components of a Big Data Cluster is the data pool. Within that single data pool, there are two SQL Server instances. The primary job of the data pool is to provide data persistence and caching for the Big Data Cluster. (At the time of this blog post, there can only be a single data pool in a Big Data Cluster and the maximum supported number instances in a data pool is eight.) The instances inside the data pool do not communicate with each other and are accessed via the SQL Server Master instance. The data pool instances are also where data marts are created.

What is the Data Pool
The data pool is in green.

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Blog Stats – 2019

HAPPY NEW YEAR!

Wow! Time flies by so fast! I can’t believe it’s 2020. I’ve been posting these “blog stats” for a couple years now and it’s always been bittersweet when I post them. On one hand it reminds me that time is moving so fast (and it some cases I want it to slow down a bit). On the other hand I get to reflect on the year that past and be grateful for all the beautiful things that happened in my life.

Below is a recap of 2019: Continue reading “Blog Stats – 2019”

Book Review – SQL Server 2019 Revealed by Bob Ward

Instead of boring you with content that you can easily find on Amazon, I will do something different this review post. I will give you the three reasons why I recommend this book for SQL DBAs and data professionals. It doesn’t matter if you are a beginner or an expert. This book will be a great addition to your library regardless of your level of SQL Server knowledge.

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Deploy a Big Data Cluster on AKS Using Azure Data Studio (Video)

A few months ago I posted a blog on deploying a BDC using the built-in ADS notebook. This blog post will go a bit deeper into deploying a Big Data Cluster on AKS (Azure Kubernetes Service) using Azure Data Studio (version 1.13.0). In addition, I’ll go over the pros and cons and dive deeper into the reasons why I recommend going with AKS for your Big Data Cluster deployments.

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