# Three practices for improving service availability toward 99.999% uptime

DevFeed: [Three practices for improving service availability toward 99.999% uptime](<https://devfeed.tech/articles/3-things-you-can-do-to-get-closer-to-five-nines-11556.md>)

Original publisher: [Read original article](<https://www.gremlin.com/blog/3-things-you-can-do-to-get-closer-to-five-nines>)

Author: Andre Newman

Published: 2025-10-02T00:00:00Z

Content type: tutorial

Language: en

Sources: [Gremlin Blog](<https://devfeed.tech/sources/gremlin-blog.md>)

Topics: [Testing](<https://devfeed.tech/topics/testing.md>), [Availability](<https://devfeed.tech/topics/availability.md>), [Resilience](<https://devfeed.tech/topics/resilience.md>), [observability](<https://devfeed.tech/topics/observability.md>), [Software as a service](<https://devfeed.tech/topics/saas.md>)

Tags: [automated](<https://devfeed.tech/tags/automated.md>), [availability](<https://devfeed.tech/tags/availability.md>), [gremlin](<https://devfeed.tech/tags/gremlin.md>), [health-checks](<https://devfeed.tech/tags/health-checks.md>), [observability](<https://devfeed.tech/tags/observability.md>), [resilience](<https://devfeed.tech/tags/resilience.md>), [sre](<https://devfeed.tech/tags/sre.md>), [testing](<https://devfeed.tech/tags/testing.md>)

## AI overview

The article presents three practices for improving service availability toward 99.999% uptime: regular reliability testing, on-call rotations, and better visibility. It describes Gremlin's approach, including weekly tests, Health Checks, and observability metrics.

## Source excerpt

3 proven practices to achieve 99.999% uptime. Learn how teams reach five nines through weekly testing, on-call rotations, and visibility.