If you want to learn more about Citus on Microsoft Azure, read this post about Hyperscale (Citus) on Azure Database for PostgreSQL.

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Articles tagged: distributed database

Marco Slot

Making Postgres stored procedures 9X faster in Citus

Written byBy Marco Slot | November 21, 2020Nov 21, 2020

Stored procedures are widely used in commercial relational databases. You write most of your application logic in PL/SQL and achieve notable performance gains by pushing this logic into the database. As a result, customers who are looking to migrate from other databases to PostgreSQL usually make heavy use of stored procedures.

When migrating from a large database, using the Citus extension to distribute your database can be an attractive option, because you will always have enough hardware capacity to power your workload. The Hyperscale (Citus) option in Azure Database for PostgreSQL makes it easy to get a managed Citus cluster in minutes.

In the past, customers who migrated stored procedures to Citus often reported poor performance because each statement in the procedure involved an extra network round trip between the Citus coordinator node and the worker nodes. We also observed this ourselves when we evaluated Citus performance using the TPC-C-based workload in HammerDB (TPROC-C), which is implemented using stored procedures.

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