When you want to decommission nodes in Elasticsearch, the usual process is not to just go right ahead and destroy the nodes. If you do, then you risk data loss, which just isn’t what you want to do with what is supposed to be a reliable database. The problem with…

Kubernetes is incredibly useful and relevant in today’s software engineering universe. One of the many concepts that makes it powerful is the notion of rollouts. In my research for this piece, I came across the 2001 Ludacris song “Rollout (My Business)”. Some of you may be very well-aware of it…

If you’re here, then you’re probably looking for a simple answer: what exactly is AWS MSK? In this article, we’ll go over at a basic level not from some AI-generated output, but from a real human being — me — what AWS MSK is. By the end of this post…

It’s a new year, and with that comes another Github Octoverse report which uses data that Github has to unearth some pretty interesting truths. One of these are the top languages used in 2022 on the site. This gives us a good idea of what is trending, what is getting…

This article will cover a crucial operation in Elasticsearch: reindexing. To reindex in Elasticsearch is to have a means of copying existing data in a source index to a destination index. This reindex can be from one cluster to a different cluster, but it also could be within one cluster…

Ever seen the -X flag in a curl command? You probably have — it’s one of the more common ones, and after all, you’re here reading this post, aren’t you? Well, let’s get straight to what it is. What the man page says If you take a look at what the man page says, it’ll…

If you’ve programmed before, then you’ve likely used a combination of comparisons in conditions. I’m talking things like: if a == "hi" && b == "hi" { ... } and if a < 3 && b < 5 { ... } and if jerseys <= 240 and hats <= 540…

If you’ve used the Linux command line, then you’ve likely used the cat command before to see the contents of a file. It’s quick and easy to use, but if you’re interested in seeing a specific line number and the code that is on that line number, you may be…

Let’s say that we want to get the number of data nodes for an Elasticsearch cluster. How can we do that with an API? There are other ways you may be able to check this, like in code in Terraform or in an AWS console. …