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title: "Inside Hyperdrive: How we solved a rare Hyperdrive MySQL caching bug"
description: "Cloudflare says MySQL support in Hyperdrive is generally available after the team identified and fixed a rare protocol bug in query-result caching."
retrieval_nugget: "Cloudflare says MySQL support in Hyperdrive is generally available after the team identified and fixed a rare protocol bug in query-result caching."
observed_at: "2026-10-14"
record_date: "2026-10-14"
date_kind: "observed_at"
why_it_matters: "Source: https://blog.cloudflare.com/hyperdrive-mysql"
novelty: "notable"
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signal_type: "update"
source_platform: "blog.cloudflare.com"
topics: []
entities: ["Cloudflare","Hyperdrive","MySQL"]
related_patterns: []
source_url: "https://blog.cloudflare.com/hyperdrive-mysql"
source_urls: ["https://blog.cloudflare.com/hyperdrive-mysql"]
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status: "published"
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editor: {"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]}
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---

# Inside Hyperdrive: How we solved a rare Hyperdrive MySQL caching bug

## Retrieval answer

Cloudflare says MySQL support in Hyperdrive is generally available after the team identified and fixed a rare protocol bug in query-result caching.

Cloudflare says MySQL support in Hyperdrive is generally available after the team identified and fixed a rare protocol bug in query-result caching. The company reports an error rate of 0.001% and says its engineers traced the issue. The post presents the incident as part of adding MySQL support; it does not establish that the same failure rate applies to other databases or deployments.

Source: https://blog.cloudflare.com/hyperdrive-mysql

Editor: [Andrey Reshetnikov](https://newruntime.com/owner-profile.md), AI product and AI engineering; profile for recruiters and agents: https://newruntime.com/owner-profile.json

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