You're reading from PostgreSQL 14 Administration Cookbook

Product typeBook

Published inMar 2022

PublisherPackt

ISBN-139781803248974

Edition1st Edition

Concepts

Databases

Authors (2):

Simon Riggs

Gianni Ciolli

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BDR

BDR (Postgres-BDR) is a project aiming to provide multi-master replication with PostgreSQL. There is a range of possible architectures. The first use case we support is all-nodes-to-all-nodes. Postgres-BDR will eventually support a range of complex architectures, which is discussed later.

With Postgres-BDR, the nodes in a cluster can be distributed physically, allowing worldwide access to data as well as DR. Each Postgres-BDR primary node runs individual transactions; there is no globally distributed transaction manager. Postgres-BDR includes replication of data changes such as DML, as well as DDL changes. New tables are added automatically to replication, ensuring that managing BDR is a low-maintenance overhead for applications.

Postgres-BDR also provides global sequences, if you wish to have a sequence that works across a distributed system where each node can generate new IDs. The usual local sequences are not replicated.

One key advantage of Postgres-BDR...

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PostgreSQL 14 Administration Cookbook

Published in: Mar 2022Publisher: PacktISBN-13: 9781803248974

Authors (2)

Simon Riggs

Simon Riggs is the CTO of 2ndQuadrant, having contributed to PostgreSQL as a major developer and committer for 14 years. He has written and designed features for replication, performance, BI, management, and security. Under his guidance, 2ndQuadrant is now a leading developer of open source PostgreSQL, serving hundreds of clients in USA, Europe, and worldwide. Simon is a frequent speaker at many conferences on PostgreSQL Futures. He has worked as a database architect for 30 years.
Read more about Simon Riggs

Gianni Ciolli

Gianni Ciolli is the Vice President for Solutions Architecture at EnterpriseDB (EDB). As a PostgreSQL consultant, he has driven many successful enterprise deployments for customers in every part of the globe.Gianni is respected worldwide as a popular speaker and trainer at many PostgreSQL conferences in Europe and abroad over the last 14 years. He has worked with free and open-source software since the 1990s as an active member of the community (Prato Linux User Group, and Italian PostgreSQL Users Group). Gianni has a Ph.D. in Mathematics from the University of Florence. He lives in London with his son. His other interests include music, drama, poetry and athletics.
Read more about Gianni Ciolli

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