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Tag: grafana

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

The break in Wikidata edits on 28 Jan 2016

On the 28th of January 2016 all Wikimedia MediaWiki APIs had 2 short outages. The outage is documented on Wikitech here.

The outage didn’t have much of an impact on most projects hosted by Wikimedia. However due to most Wikidata editing happening through the API, even when using the UI, the project basically stopped for roughly 30 minutes.

Interestingly there is an unusual increase in the edit rate 30 minutes after recovery.

I wonder if this is everything that would have happened in the gap?

WMDE: Engineering Analytics Activities

This is an internal WMDE presentation given at the start of “metric driven development” for the WMDE & Wikidata dev teams.

The presentation is pretty bare bones but it provides a general overview of the plan and links to the current state of things.

The main area of interest from the presentation is the resources slide copied below for convenience.

Dashboards:

Project board:

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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