Help Center/ Distributed Database Middleware/ User Guide/ Instance Management/ Upgrading the DDM Engine and OS
Updated on 2026-08-04 GMT+08:00
Upgrading the DDM Engine and OS
The DDM engine and OS cannot be upgraded automatically in the maintenance window on the tenant side. To upgrade them, choose Service Tickets > Create Service Ticket to submit a service ticket. Huawei Cloud engineers will help you upgrade the DDM engine and OS if necessary.
Huawei Cloud will install hot patches as required to fix the vulnerabilities that may have major impacts on the engine and OS.
Parent topic: Instance Management
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