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. …

Are you in the software engineering world? Ever used Terraform? What about Vagrant? Or heard about Packer? Consul? Vault? Nomad? Boundary? Waypoint? If you said yes to any of the above, then you’ve used technologies that have been directly created by Mitchell Hashimoto, the founder of HashiCorp who operated as…

CockroachDB is a distributed database that also has standard SQL for cloud applications. It utilizes indexes which help find data without the need to look through every single row of a table within CockroachDB. For the primary key of a table and any columns with the UNIQUE constraint, indexes are…

Let’s say that we want to get the status of an Elasticsearch cluster. In other words, we want to see if the cluster status is green, yellow, or red. How can we do that with an API? Other information that we’d be able to get with the answer include: the…

If you work for a business, there’s a possibility that you’ve heard the terms SLO, SLA, and/or SLI before. The commonality that these terms share is that they can be used to be a little more precise to measure the actions taken to meet business goals when it comes to…