Using Telegraf and QuestDB to store metrics in a time series database
Blog post from QuestDB
Gábor Boros provides a detailed tutorial on using Telegraf to collect system metrics and send them as time series data to QuestDB for analysis and visualization. The guide outlines the process of setting up a data collection system using DigitalOcean droplets, where Telegraf agents gather metrics like CPU and memory usage, sending this data to a QuestDB instance for storage and visualization. The tutorial addresses the issue of out-of-order data arrival, which QuestDB now handles smoothly since its 6.0 release. Readers are guided through creating droplets on DigitalOcean, installing Telegraf, and configuring it to send data to QuestDB, utilizing InfluxDB line protocol. It also shows how to run SQL queries on the collected data and perform visualizations using QuestDB's interface. The tutorial concludes by suggesting further exploration of Telegraf's integrations and using Grafana for more advanced dashboard setups.
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