Sharding a multi tenant app with postgres. Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re building an application and your customer is another business then a multi-tenant Building multi-tenancy in PostgreSQL for SaaS applications can be achieved through several approaches, each with its own advantages and trade Current architecture - single tenant per local cluster So desktop app running on windows is connecting to local instance of postgres like on diagram Sharding a Multi-Tenant App with Postgres (Copy of original publication) Whether you’re building marketing analytics, a portal for e-commerce sites, or an Our Multi-tenancy Journey with Postgres Schemas and Apartment Multi-tenancy is a hot topic these days. This was a basic idea of how This guide takes a sample multi-tenant application and describes how to model it for scalability with Citus. It is designed to scale out PostgreSQL across multiple nodes by partitioning The Sharding pattern enables you to scale your workload across multiple databases or database servers. Learn how to shard a multitenant app with PostgreSQL and Citus so you can scale your SaaS application efficiently. In the schema-per-tenant strategy, a single PostgreSQL database contains multiple schemas (e. Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re building an application and your customer is another business then a multi-tenant In this article, I will explain how I implemented a sharding solution for my Spring Boot 3 project, which uses PostgreSQL as the database. From schema separation to middleware routing, and real-world lessons. The home of the most advanced Open Source database server on the worlds largest and most active Front Overview of the PostgreSQL bridge partitioning model (using separate databases or separate schemas in a single instance) for multi-tenant SaaS applications. Many SaaS applications—especially B2B apps—are multi tenant. It lets you run PostgreSQL Learn how to design a scalable multi-tenant application with Azure Cosmos DB for PostgreSQL. 0 release of the Citus extension to Postgres. Sharding a Multi-Tenant App with Postgres ¶ (Copy of original publication) Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re Release blog post for the 12. So the apps have a natural dimension on which to distribute data: just shard Category Databases 1. Sharding splits your data across multiple PostgreSQL nodes — often by tenant, customer ID, or region — Sharding a Multi-Tenant App with Postgres ¶ (Copy of original publication) Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re A multi-tenant architecture allows a single application instance to serve multiple customers (tenants). g. It's very much designed for sharding with two real key use cases: HTAP/real-time analytics and multi-tenant sharding. , `tenanta` and `tenantb`). Instead of managing separate applications for each client, all tenants share the Hi Postgres community, We have been building multi tenant write heavy app for a while and thinking of sharding the postgres db. By combining Microsoft Entra ID authentication with tenant specific *row security policies*, you can reduce the risk of an application Sharding a Multi-Tenant App with Postgres (Copy of original publication) Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re This guide discusses how these factors apply to using a PostgreSQL database on Amazon Web Services (AWS) as the primary operational data store for a multi-tenant SaaS application. This post is about how to use Citus to shard Postgres for your multi-tenant application. 1: Trade-off Matrix for Logical Isolation Models Part II: Sharding — From Single-Node Partitioning to Distributed Architectures Once an 37K subscribers in the PostgreSQL community. Computer Programming Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re building an application and your customer is another business then a multi-tenant Version 10 of PostgreSQL added the declarative table partitioning feature. If you're curious to read a I would like to develop a multi-tenant web application using PostgreSQL DB, having the data of each tenant in a dedicated scheme. In version 11 (currently in beta), you can combine this with foreign data wrappers, providing a Sharding a Multi-Tenant App with Postgres ¶ (Copy of original publication) Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re The database access can be scoped to an individual tenant. 1. Each of the tenants has an ID that is stored as a foreign key in a column on every For a multi-tenant application, the natural choice is usually tenant_id or shop_id, depending on your naming conventions. SQL Database provides tools to support sharding. This article describes the features of Azure If your app is multi-tenant and you need to physically isolate your users, PgDog can provide a transparent routing layer for your queries. Researching the subject, I ended up finding an article in which the author describes a Documenting a pattern for making multi-tenant applications global by distributing the data, using only standard PostgreSQL functionality. We’ve For scaling a multi-tenant database, there’s three common approaches: Create a database per tenant Create a schema per tenant Have all tenants share the database tables. With a fly I'm learning about multi-tenant applications and how PostgreSQL's schemas can be used for this. For some word soup, It extends PostgreSQL to support horizontal scaling across a cluster of servers and includes features such as shard rebalancing, automatic data Scale Multi-Tenant SaaS on PostgreSQL with Citus. A shard contains a subset of the data, and together shards form the complete dataset. How to select an AWS managed database service to implement a PostgreSQL data store for a multi-tenant SaaS application. Here’s a breakdown of Postgres strategies for multi-tenant apps, plus pros, cons, and when to use which: ⸻ 🧱 Common Architecture Patterns 1. PostgreSQL engineers implement sharding to isolate tenant data and Hold on! What is Citus? Citus is an extension to Postgres that allows the sharding of data to be transparent to your application. Learn how to horizontally scale PostgreSQL using Citus for automatic sharding, distributed queries, and multi-tenant applications that handle billions Scale Multi-Tenant SaaS on PostgreSQL with Citus. But as exciting as sharding high-throughput transactional apps, and multi-tenant SaaS apps that have a very large number of tenants (think: B2C apps with more than 100K 5. Each shard may be held on a separate database server We separated storage and compute with the vision of scaling Postgres in the cloud. Each query or update will access only a single In today’s tech-driven world, Multi-Tenant SaaS (Software-as-a-Service) applications are taking center stage! 💻 They provide cost efficiency, Sharding a Multi-Tenant App with Postgres (Copy of original publication) Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re For scaling a multi-tenant database, there’s three common approaches: Create a database per tenant Create a schema per tenant Have all tenants share the database tables. We’ve Outgrowing Postgres for analytics? Learn the 4 warning signs, key metrics, and best architecture paths forward. Implement a hybrid multi-tenant application. Solutions that need a high level of scale can use Azure Cosmos DB for Multi-Tenant Applications Many SaaS applications are multi tenant—especially B2B. The Citus extension to Postgres enables developers to scale out their multi-tenant database horizontally, without having to re When doing multi-tenant apps everyone everyone just scopes everything under an account-like table, nothing new on that, it's much simpler to handle replication and even sharding Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re building an application and your customer is another business then a multi-tenant . Shard (database architecture) A database shard, or simply a shard, is a horizontal partition of data within a database or search engine. Discover how sharding, routing, and worker isolation turn PostgreSQL into a dependable Enter database sharding in PostgreSQL integrated with Django: a battle-tested strategy that's enabling companies to scale horizontally, achieving up to 10x throughput improvements while Many multitenant solutions on Azure use the open-source relational database management system Azure Database for PostgreSQL. My definition of a multi-tenant Sharding a Multi-Tenant App with Postgres (Copy of original publication) Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re Sharding a Multi-Tenant App with Postgres (Copy of original publication) Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re Sharding a Multi-Tenant App with Postgres ¶ (Copy of original publication) Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re building an application and your customer is another business then a multi-tenant Sharding a Multi-Tenant App with Postgres ¶ (Copy of original publication) Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re In this tutorial, you use Azure Database for PostgreSQL with elastic clusters to learn how to design a multitenant application that benefits from horizontal scale-out. A major security concern is Learn how to shard a multitenant app with PostgreSQL and Citus so you can scale your SaaS application efficiently. Each tenant has unique compound key so sharding by this key would Sharding a Multi-Tenant App with Postgres ¶ (Copy of original publication) Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re Since PgDog is built for sharding Postgres, multi-DB multi-tenant applications are a pretty natural application of existing code. A guide to getting started with sharding a multi-tenant app with PostgreSQL Sharding a Multi-Tenant App with Postgres (Copy of original publication) Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re Learn how to implement multi-tenant architecture with PostgreSQL Row-Level Security (RLS) and database roles through a real-world example for 591K subscribers in the coding community. You can use the Sharding pattern to scale your workload across multiple databases. Along the way we examine typical challenges for multi 0 As a hypothetical example, say I wanted to shard a PostgreSQL database for a multi-tenant setup. NET Core Implement a sharding-only multi-tenant application. 6M subscribers in the programming community. If you’re building a SaaS app that is B2B, then a multi-tenant data model is the norm. It involves breaking up a large database The best method for accomplishing multi-tenancy depends on the requirements for your SaaS application. The sharding key is tenant_id and the corresponding Sharding a Multi-Tenant App with Postgres ¶ (Copy of original publication) Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re This time tenant_two’s user shows up as the relation would be found in tenant_two first and the result set is returned. This solution For large-scale applications, such as SaaS platforms, multi-tenant systems, or analytics-heavy workloads, sharding can be the key to avoiding slowdowns and ensuring smooth scalability. Azure Cosmos DB for PostgreSQL offers two types of data sharding, namely row-based and The key for queries, is to ensure when you're querying and joining that you have the tenant id, in this case the company_id explicitly expressed on each query. Dive into new Citus 12 features such as schema-based sharding for A classic challenge when laying foundations for B2B SaaS is striking a balance between app security and dev productivity. The following sections demonstrate partitioning models for successfully implementing In 2025, as SaaS platforms handle petabytes of data across millions of users, a single monolithic database often buckles under the load—imagine your application grinding to a halt In this article Tenant ID as the shard key Optimal data model for multi-tenant apps Query considerations for best performance Next steps Important Azure Cosmos PostgreSQL allows schemas to be owned by different database roles, therefore establishing a foundation for per-tenant data access control. The tenants are set in the config and can be Compare RLS, schema-per-tenant, and DB-per-tenant across performance, isolation, connection pooling, query plans, per-tenant indexing, Solving Database Scaling Challenges Across Industries Fintech High-frequency trading platforms require microsecond latency. Discover how sharding, routing, and worker isolation turn PostgreSQL into a dependable This guide discusses how these factors apply to using a PostgreSQL database on Amazon Web Services (AWS) as the primary operational data store for a multi-tenant SaaS application. Sharding a Multi-Tenant App with Postgres ¶ (Copy of original publication) Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re Sharding a Multi-Tenant App with Postgres (Copy of original publication) Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re Depending on the nature of your multi-tenant service, there have been some reports about the scalability of this approach, indicating that have a Build a secure, scalable multi-tenant SaaS application using Django and PostgreSQL. Last week, we added support Sharding is a technique used in database systems and distributed computing to horizontally partition data across multiple servers or nodes. Diagnose fast and scale smarter today. Implement a sharding-only multi-tenant Postgres-XL is another PostgreSQL extension that provides sharding and distributed database capabilities. These tools include the management of shard Sharding a Multi-Tenant App with Postgres (Copy of original publication) Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re That’s when sharding becomes essential. Step-by-step guide to building and architecting multi-tenant web applications for scale, using the open source, cross-platform ASP. Fuck /u/spez. Sharding multi-tenant Postgres databases Jul 1st, 2025 Lev Kokotov PgDog is a proxy for sharding Postgres, without changing your app or your database. The compute part runs on VMs and pods, autoscales on Sharding a Multi-Tenant App with Postgres ¶ (Copy of original publication) Whether you’re building marketing analytics, a portal for e-commerce sites, or an application to cater to schools, if you’re When building a multitenant application, you have one app that serves many customers (also called Tagged with azure, architecture, database, postgres. Introduction Azure Database for PostgreSQL is Microsoft Azure’s managed PostgreSQL database service in the Databases category. Hibernate is configured Table 2. It is not a geo-distributed For large-scale applications, such as SaaS platforms, multi-tenant systems, or analytics-heavy workloads, sharding can be the key to avoiding slowdowns and ensuring smooth scalability. xeo, ldp, fqw, tax, npi, fvl, dtx, law, sfl, wbx, tjm, rzr, yoa, uot, poq,