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DevOps & SRE

The SRE Guide to Zero-Downtime Database Migration on Kubernetes

Ananya Sharma

Director of Platform Engineering

July 2, 2026

5 min read

The SRE Guide to Zero-Downtime Database Migration on Kubernetes

Learn the dual-write pattern, read-repair pipelines, and rollbacks for live production microservice databases.

Migrating a live PostgreSQL instance with zero downtime requires a highly disciplined approach. We walk through the exact steps of setting up a dual-write pipeline, verifying records asynchronously, and completing DNS failover....

At Curiosity Lab, we continuously apply these principles across all our client engagements, pushing the boundaries of what's possible with modern AI and cloud-native architectures.

Written by

Ananya Sharma

Director of Platform Engineering at Curiosity Lab

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E-Governance Solutions

Custom Software Development

Mobile App Development

Web Development

DevOps & Cloud Engineering

AI Engineering Services

Startup Product Engineering

Let's Build Together

The SRE Guide to Zero-Downtime Database Migration on Kubernetes

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E-Governance Solutions

Custom Software Development

Mobile App Development

Web Development

DevOps & Cloud Engineering

AI Engineering Services

Startup Product Engineering

E-Governance Solutions

Custom Software Development

Mobile App Development

Web Development

DevOps & Cloud Engineering

AI Engineering Services

Startup Product Engineering

Let's Build Together

The SRE Guide to Zero-Downtime Database Migration on Kubernetes

More from the Blog

Architecting Agentic Workflows: Moving Beyond Simple LLM API Calls

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