# Incident Review: Pageserver outage in us-east-1

DevFeed: [Incident Review: Pageserver outage in us-east-1](<https://devfeed.tech/articles/incident-review-pageserver-outage-in-us-east-1-5443.md>)

Original publisher: [Read original article](<https://neon.com/blog/incident-review-pageserver-outage-in-us-east-1>)

Author: John Spray

Published: 2024-08-21T16:38:13Z

Content type: article

Language: en

Sources: [Blog -- Neon Docs](<https://devfeed.tech/sources/blog-neon-docs.md>)

Topics: [incident](<https://devfeed.tech/topics/incident.md>), [Amazon S3](<https://devfeed.tech/topics/amazon-s3.md>)

Tags: [aws](<https://devfeed.tech/tags/aws.md>), [cache](<https://devfeed.tech/tags/cache.md>), [databases](<https://devfeed.tech/tags/databases.md>), [engineering](<https://devfeed.tech/tags/engineering.md>), [incident](<https://devfeed.tech/tags/incident.md>), [logs](<https://devfeed.tech/tags/logs.md>), [metrics](<https://devfeed.tech/tags/metrics.md>), [outage](<https://devfeed.tech/tags/outage.md>), [postgres](<https://devfeed.tech/tags/postgres.md>), [review](<https://devfeed.tech/tags/review.md>), [s3](<https://devfeed.tech/tags/s3.md>)

## AI overview

An incident review of a Pageserver outage in us-east-1 caused by an EC2 instance failure. The article describes the impact, detection, Pageserver architecture, and migration response.

## Source excerpt

On 2024-08-14, about 0.4% of customer projects in us-east-1 experienced an outage for up to 2 hours, after an EC2 instance hosting one of our services failed. We understand that these incidents have a significant impact on our customers, and we take them seriously. This post expl...