Hi London!
We would like to invite you to our next Prometheus London Meetup! This time we are here just a day before GopherConUK, so all Gophers that are interested in Prometheus ecosystem topics are very welcome to join ❤️
▶︎ Joseph Irving (@jirv500): Going from Statsd/Cloudwatch to one Single Prometheus View
There are a lot of ways to get applications metrics these days but having a huge variety of metrics systems in your stack can make life difficult and complicated. In this talk, Joseph Irving will describe how they (uSwitch) converged on one metrics system, the benefits it brought, and how Thanos allowed them to have a highly available Prometheus set-up spread out across multiple Kubernetes clusters.
▶︎ Ian Billet (@billett_): PromQL for Mere Mortals
PromQL can feel intimidating at first for those new to the Prometheus ecosystem, but it is an essential skill to learn when starting out monitoring and alerting in the Prometheus ecosystem.
In this beginner-focused, demo-driven talk Ian Billett will walk through the thought processes, mental models and coping strategies he uses to tame PromQL and effectively query metrics data.
We will demystify instant vector selectors from range vector selectors, understand how aggregate functions work, and, time-permitting, even touch on some PromQL engine internals.
▶︎ Tom Wilkie (@tom_wilkie): Blazin’ Fast PromQL
PromQL, the Prometheus Query Language, is a concise, powerful and increasingly popular language for querying time series data. But PromQL queries can take a long time when they have to consider >100k series and months of data. Even with Prometheus’ compression, a 90-day query over 200k series can touch ~100GB of data.
In this talk, we will present a series of techniques employed by Cortex (a CNCF project for clustered Prometheus) for accelerating PromQL queries - namely query results caching, time slice parallelisation, aggregation sharding, and automatic recoding rule substitutions.
But there’s more: we will show how you can use this technology to get these improvements with Thanos and Prometheus.
