Choosing Distribution Column — Citus 12.1 documentation

Choosing the distribution column for each table is one of the most important modeling decisions because it determines how data is spread across nodes.

Identify Distribution Strategy — Citus 12.1 documentation

Be sure to check that the distribution column has the same type in all tables, e.g. don't mix int and bigint . The column types must match to ensure proper data ...

Citus Documentation — Citus 12.1 documentation

Choosing Distribution Column · Multi-Tenant Apps · Best Practices · Real-Time Apps ... To scale out Postgres horizontally, Citus employs distributed tables, ...

Concepts — Citus 12.1 documentation

The tenant is determined by defining a Distribution Column which allows splitting up a table horizontally. This is the most hardware efficient way of sharding.

Useful Diagnostic Queries — Citus 12.1 documentation

The rows of a distributed table are grouped into shards, and each shard is placed on a worker node in the Citus cluster. In the multi-tenant Citus use case we ...

Release 12.1 Citus Data

discussed in previous sections, choosing the right distribution column and distribution method allows the distributed query planner to apply ...

Query Performance Tuning — Citus 12.1 documentation

In this section, we describe how you can tune your Citus cluster to get maximum performance. We begin by explaining how choosing the right distribution column ...

Frequently Asked Questions — Citus 12.1 documentation

Currently Citus imposes primary key constraint only if the distribution column is a part of the primary key. This assures that the constraint needs to be ...

Citus Utility Functions — Citus 12.1 documentation

Citus assigns every row of a distributed table to a shard based on the value of the row's distribution column and the table's method of distribution. In most ...

citusdata/citus: Distributed PostgreSQL as an extension - GitHub

By distributing tables along a tenant ID column and co-locating data for the same tenant, Citus can horizontally scale complex (tenant-scoped) queries, ...

Querying Distributed Tables (SQL) — Citus 12.1 documentation

When the aggregate is grouped by a table's distribution column, Citus can push down execution of the entire query to each worker. All aggregates are supported ...

Cluster Management — Citus 12.1 documentation

Choosing the shard count for each distributed table is a balance between the flexibility of having more shards, and the overhead for query planning and ...

Docs Citusdata Com en v9.4 | PDF | Postgre Sql | Databases - Scribd

12.1 At a Glance . ... Choosing Distribution Column. Citus Documentation, Release 9.4. co-locate ...

Query Processing — Citus 12.1 documentation

The planning process for key-value lookups on the distribution column or modification queries is slightly different as they hit exactly one shard. Once the ...

Citus Documentation

discussed in previous sections, choosing the right distribution column and distribution method allows the distributed query planner to apply ...

What's new with Postgres at Microsoft, 2024 edition

Distributed schema table from local table when identity column: Before Citus 12.1 ... This Release Notes page in the Azure documentation ...

Citus 11.2 Release Event for the Postgres you love at any scale

... reference & distributed tables. Citus is fully open source, so all ... Citus 12.1 Release Party - Fall in Love With Distributed Postgres.

Citus 12.1 Release Party - Fall in Love With Distributed Postgres

Recording of the Citus 12.1 Release Party with 3 demos of new features in Citus 12.1 and Postgres 16. A few of the Citus open source ...

Citus Tables and Views — Citus 12.1 documentation

Citus divides each distributed table into multiple logical shards based on the distribution column. The coordinator then maintains metadata tables to track ...

A toy project in a non-toy framework. Observe my journey as a ...

... Choosing Distribution Column — Citus 12.1 documentation. Beware of the lure of Citus though. Only Azure has it as a managed option after it ...