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Self-hosted to Temporal Cloud Migration Tooling

1 post · Apr 2024 – Mar 2025

What this trail covers

Temporal Cloud offers migration tooling for seamless transitions from self-hosted Temporal instances. This pre-release feature automates the migration process with zero downtime for workflows, requiring minimal application code changes. It involves a migration server and proxies for secure communication, with a step-by-step guide for preparation, initiation, monitoring, validation, and finalization or abortion. The tooling currently supports self-hosted to Cloud migrations, with reverse migratio

All Temporal trails
  1. Zero Downtime Migration with Temporal Cloud AutomationIntroduces pre-release migration tooling for self-hosted Temporal to Temporal Cloud. Details the architecture involving a Migration Server and Migration Proxy for secure communication. Outlines a 5-step migration process: Preparation, Initiation, Monitoring, Validation/Handover, and Finalizing/Aborting. Highlights zero-downtime, end-to-end automation, no application code changes, minimal customer effort, and full control as key objectives. Mentions current limitations (self-hosted to Cloud only) and planned roadmap items (Cloud to self-hosted).
  2. How to Migrate to Temporal Cloud from Self-HostedThis post provides an overview of the tasks involved in migrating from a self-hosted Temporal instance to Temporal Cloud. It outlines key steps such as introducing a new Temporal Client, deciding on data encryption strategies, choosing workflow execution lifetime strategies (drain to completion vs. refactor state), updating code calling workflows, and creating a test and verification plan. It emphasizes that migrations are application-level and typically require minimal code changes, with Temporal's team providing guidance. It also mentions strategies for accessing Event Histories from self-hosted instances for reporting or compliance.