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docs(upgrade): add PXC removal warning to appservice upgrade page #942

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9 changes: 9 additions & 0 deletions docs/en/appservice/upgrade.mdx
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Expand Up @@ -5,6 +5,15 @@ en: Upgrade

# Upgrade

:::warning
PXC Removal in Alauda Database Service for MySQL v4.3.0

**MySQL-PXC is deprecated** and **removed** starting from Alauda Database Service for MySQL v4.3.0. Existing PXC instances will continue running but are no longer managed by the MySQL operator. If you have PXC instances, you **must migrate them to MySQL-MGR before upgrading** to MySQL Operator v4.3.0 or later.

- **Migration Guide**: See <ExternalSiteLink name="mysql-mgr" href="/how_to/35-migrate-from-pxc" children="Migrate MySQL-PXC to MySQL-MGR" /> for comprehensive step-by-step instructions covering schema compatibility, character sets, users, and privileges.
- **MySQL Operator Upgrade Guide**: See <ExternalSiteLink name="mysql-mgr" href="/upgrade" children="Upgrade Guide" /> for pre-upgrade checklists, upgrade scenarios, and emergency response procedures.
:::

Alauda Container Platform Data Services Essentials requires a manual upgrade. After upgrading the platform, follow the steps below to upgrade the plugin:

1. Log in to the platform and navigate to **Marketplace** > **Cluster Plugins**.
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