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Five years ago today, Grafana Loki was introduced to the world on the KubeconNA 2018 stage when David Kaltschmidt, now a Senior Director of Engineering at Grafana Labs, clicked the button to make the Loki repo public live in front of the sold-out crowd. At the time, Loki was a prototype: We bolted together Grafana as a UI, Cortex internals, and Prometheus labels to find out if there was a need for a new open source tool to manage logs.

This is the fourth part of our 12-day Advent of Monitoring series. In this series, Checkly's engineers will share practical monitoring tips from their own experience. One challenge in conducting end-to-end (E2E) testing is managing the artifacts created during the process. These artifacts are necessary for asserting specific functionalities.

This is the third part of our 12-day Advent of Monitoring series. In this series, Checkly's engineers will share practical monitoring tips from their own experience. When it comes to running self-hosted services or side projects, monitoring is key. But, who has the time to set up a complex monitoring system? We want to deliver cool software and not be busy with configuring Prometheus servers or Grafana Dashboards.

Table of contents This is the second part of our 12-day Advent of Monitoring series. In this series, Checkly's engineers will share practical monitoring tips from their own experience. We encountered a tricky issue with our public dashboards: they were experiencing sporadic outages, happening about once every two days. The infrequency and unpredictability of these outages made them particularly challenging to diagnose.