Don't Use LLMs to Quickly Build Multi-Tenant Databases: High Maintenance Cost
kylegawley · x · 2026-08-31
Addressing the question of whether to isolate each user's data in a separate database, the author advises against it unless there are strong operational, security, or compliance requirements. Maintaining separate databases or application instances for every customer creates significant operational complexity, including difficult migrations, monitoring, debugging, and backups. While LLMs can help implement such complex architectures quickly, developers will bear the maintenance burden for years. The advice is to follow the KISS principle.
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