# How trivago Maintains Global Availability During a Google Cloud Regional Outage

DevFeed: [How trivago Maintains Global Availability During a Google Cloud Regional Outage](<https://devfeed.tech/articles/how-to-survive-a-regional-outage-28023.md>)

Original publisher: [Read original article](<https://tech.trivago.com/post/2022-06-10-how-to-survive-a-regional-outage/>)

Author: Arne Claus Follow

Published: 2022-08-15T00:00:00Z

Content type: tutorial

Language: en

Sources: [Trivago](<https://devfeed.tech/sources/trivago.md>)

Topics: [Google Cloud Platform (GCP)](<https://devfeed.tech/topics/google-cloud.md>), [Kubernetes](<https://devfeed.tech/topics/kubernetes.md>), [Kafka](<https://devfeed.tech/topics/kafka.md>), [migration](<https://devfeed.tech/topics/migration.md>), [Back end](<https://devfeed.tech/topics/backend.md>), [sharding](<https://devfeed.tech/topics/sharding.md>), [Replication](<https://devfeed.tech/topics/replication.md>), [systems](<https://devfeed.tech/topics/systems.md>), [MySQL](<https://devfeed.tech/topics/mysql.md>)

Tags: [backend](<https://devfeed.tech/tags/backend.md>), [cloud](<https://devfeed.tech/tags/cloud.md>), [datacenters](<https://devfeed.tech/tags/datacenters.md>), [failover](<https://devfeed.tech/tags/failover.md>), [gke](<https://devfeed.tech/tags/gke.md>), [google-cloud](<https://devfeed.tech/tags/google-cloud.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [kafka](<https://devfeed.tech/tags/kafka.md>), [migration](<https://devfeed.tech/tags/migration.md>), [mysql](<https://devfeed.tech/tags/mysql.md>), [replication](<https://devfeed.tech/tags/replication.md>), [sharding](<https://devfeed.tech/tags/sharding.md>), [systems](<https://devfeed.tech/tags/systems.md>)

## AI overview

This article explains trivago's regional failover testing and its effort to maintain global availability when a Google Cloud region becomes unavailable. It describes the move from locale-based sharding toward services that can handle equivalent traffic and data across regions.

## Source excerpt

How trivago manages to stay globally available, even if a Google Cloud region goes down