tiproxy: add notice about upgrading tiproxy #21270
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Summary of Changes
Hello @djshow832, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
This pull request aims to improve the clarity of the TiProxy upgrade documentation. The primary goal is to inform users about the full impact of upgrading TiProxy, specifically that it necessitates a restart of the entire TiDB cluster, which might not be immediately obvious. This change enhances user understanding and helps avoid potential operational surprises.
Highlights
- Documentation Clarity for TiProxy Upgrade: I've added a crucial note to the
tiproxy-overview.mddocumentation. This note clarifies that when users upgrade TiProxy using thetiup cluster upgradecommand, the entire TiDB cluster will be restarted, even if the TiDB version itself is not being changed. This addresses a common misconception and helps prevent unexpected service interruptions.
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: hfxsd The full list of commands accepted by this bot can be found here. The pull request process is described here
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In response to a cherrypick label: new pull request created to branch |
What is changed, added or deleted? (Required)
Users may mistakenly think that upgrading tiproxy won't upgrade the cluster.
Which TiDB version(s) do your changes apply to? (Required)
Tips for choosing the affected version(s):
By default, CHOOSE MASTER ONLY so your changes will be applied to the next TiDB major or minor releases. If your PR involves a product feature behavior change or a compatibility change, CHOOSE THE AFFECTED RELEASE BRANCH(ES) AND MASTER.
For details, see tips for choosing the affected versions.
What is the related PR or file link(s)?
Do your changes match any of the following descriptions?