Tag - how-to

Tackling cache invalidation

It's a well-known fact that there are two difficult problems in computer science: naming things cache invalidation off by one error In this post, we're going to talk about the first one, cache invalidation. Not a long time ago, we got a support request from one of our client's developers with the following issue: We deployed a new version of...

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Monitoring origins: Where we are today

Continuing on our last blog post Monitoring origins: Where it all began, in this post, we’ll be discussing the most popular monitoring setups currently used by IT technicians around the world. Today, TSDBs dominate the monitoring world. TSDBs are specialized databases designed to store large amounts of time-indexed data. We can say that both RRD and...

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Monitoring origins: Where it all began

Today's monitoring systems have many features to help you get all of the data you need. However, it wasn't always like that; tools were limited, offered no metrics and were hard to deploy and maintain. In this post, we'll take a look at the history of monitoring tools. With almost 20 years of experience in...