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SLO/Docker-registry

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Revision as of 00:04, 19 March 2021 by imported>Legoktm (split from Docker-registry/Runbook)
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Summary

This page covers the highly available docker registry hosted at docker-registry.wikimedia.org.

Owner Service Ops Team
Status ACTIVE
Dependencies Swift, PyBal
Services that depends on this one Kubernetes, CI

Architecture

Service Level Objectives

Service level objective 1: 95% of get manifest or tag operations will complete in less than 2s

  • Service level indicator 1: measured by DC, and will only take in account active DC for measurements [graph link]
  • Checked every month or at least every quarter

Service level objective 2: 95% of push manifest or tag operations will complete in less than 3s

  • Service level indicator 1: measured by DC, and will only take in account active DC for measurements [graph link]
  • Checked every quarter/ month

Service level objective 3: registry is serving content (at least in read-only mode, pulling images) 99% of the time

  • Service level indicator 1: 5XX responses over 2XX ratio is less than 1%
  • Checked every quarter or month.