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Ever wonder what actually happens between clicking “Create” in the portal and your database being ready to serve requests at planetary scale?
Andrew Liu (Principal GPM, Azure Cosmos DB) pulls back the curtain on Azure Cosmos DB’s internal architecture:
• How we deploy the database engine onto hardware from partners like AMD in datacenters worldwide
• How replica sets use quorum-based replication to deliver high availability
• How consistent hashing determines where your data lands — and why choosing a good partition key matters
• How we built the pay-per-request serverless model and what a Request Unit really is under the covers
• How RU pooling lets you share throughput capacity across your Cosmos DB fleet
No PowerPoint. Just the whiteboard.
👤 Connect with Andrew Liu
📝 Andrew Liu is a PM working on the Azure Cosmos DB team. He is passionate about enabling customers to deliver novel experiences, from building POCs to tackling new growth opportunities, through Azure’s cloud-borne distributed database. Prior to joining Microsoft, Andrew worked as software engineer building mission-critical infrastructure for one of the world’s largest e-commerce websites.
💼 https://www.linkedin.com/in/aliuy/
𝕏 https://x.com/aliuy8
🎤 https://developer.azurecosmosdb.com/conf/#speaker/andrew-liu
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Azure Cosmos DB Conf 2026 is a free virtual developer event focused on building modern, scalable applications with Azure Cosmos DB. Sessions feature Microsoft engineers, product teams, and members of the global developer community sharing real-world solutions and best practices.
Originally streamed on April 28, 2026 | 9:00 AM – 2:00 PM PT
🔗 Useful Links
• Explore all sessions on-demand — https://aka.ms/CosmosConf26Playlist
• Take the Cosmos Conf Challenge. First 500 to complete gets a voucher for 100% free certificate exam for DP-420 — https://aka.ms/CosmosDBConfChallenge
• Azure DB Cosmos Conference 2026 Post-Event Survey — https://aka.ms/CosmosConf2026Survey
• Visit the conference website — https://aka.ms/azurecosmosdbconf
• Subscribe to Azure Cosmos DB on YouTube — https://www.youtube.com/@AzureCosmosDB
• Follow Azure Cosmos DB on X — https://x.com/AzureCosmosDB
• Follow Azure Cosmos DB on LinkedIn — https://www.linkedin.com/company/azure-cosmos-db/
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