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Tag: graphite

Grafana, Graphite and maxDataPoints confusion for totals

The title is a little wordy, but I hope you get the gist. I just spent 10 minutes staring at some data on a Grafana dashboard, comparing it with some other data, and finding the numbers didn’t add up. Here is the story in case it catches you out.

The dashboard

The dashboard in question is the Wikidata Edits dashboard hosted on the Wikimedia Grafana instance that is public for all to see. The top of the dashboard features a panel that shows the total number of edits on Wikidata in the past 7 days. The rest of the dashboard breaks these edits down further, including another general edits panel on the left of the second row. 

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WMDE: Metrics & Data Gatherings

Below you will find an internal WMDE presentation covering the general area of WMDE Metric & Data Gatherings from 2016.

This presentation follows on from the initial introduction to engineering analytics activities.

The presentation skims through:

  • WMDE Grafana dashboards
  • The Wikimedia Analytics landscape
  • Grafana & graphite
  • Hadoop, Kafka, Hive & Oozie
  • EventLogging, Mysql replicas & MediaWiki logs
  • Out Analytics scripts
  • How to get access

Reducing packet count to Statsd using Mediawiki

Recently I have been spending lots of time looking at the Wikimedia graphite set-up due to working on Grafana dashboards. In exchange for what some people had been doing for me I decided to take a quick look down the list of open Graphite tickets and found T116031. Sometimes it is great when such a small fix can have such a big impact!

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Wikimedia Grafana graphs of Wikidata profiling information

I recently discovered the Wikimedia Grafana instance. After poking it for a little while here are some slightly interesting graphs that I managed to extract.

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