PostgreSQL 12 High Availability Cookbook 3rd Edition

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PostgreSQL 12 High Availability Cookbook 3rd Edition

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內容描述

Databases are nothing without the data they store. In the event of an outage or technical catastrophe, immediate recovery is essential. This updated edition ensures that you will learn the important concepts related to node architecture design, as well as techniques such as using repmgr for failover automation. From cluster layout and hardware selection to software stacks and horizontal scalability, this PostgreSQL cookbook will help you build a PostgreSQL cluster that will survive crashes, resist data corruption, and grow smoothly with customer demand.
You’ll start by understanding how to plan a PostgreSQL database architecture that is resistant to outages and scalable, as it is the scaffolding on which everything rests. With the bedrock established, you'll cover the topics that PostgreSQL database administrators need to know to manage a highly available cluster. This includes configuration, troubleshooting, monitoring and alerting, backups through proxies, failover automation, and other considerations that are essential for a healthy PostgreSQL cluster. Later, you’ll learn to use multi-master replication to maximize server availability. Later chapters will guide you through managing major version upgrades without downtime.
By the end of this book, you’ll have learned how to build an efficient and adaptive PostgreSQL 12 database cluster.

目錄大綱

Architectural Considerations
Hardware Planning
Minimizing Downtime
Proxy and Pooling Resources
Troubleshooting
Monitoring
PostgreSQL Replication
Backup Management
High Availability with repmgr
High Availability with Patroni
Low-Level Server Mirroring
High Availability via Pacemaker
High Availability with Multi-Master Replication
Data Distribution
Zero-downtime Upgrades

作者介紹

Shaun Thomas
Shaun Thomas has been experimenting with PostgreSQL since late 2000 and serves as a database consultant, teacher, blogger, and support engineer with 2ndQuadrant. He has presented at conferences such as Postgres Open, 2Q PGCONF, and PgConf on topics such as handling extreme throughput, high availability, failover techniques, monitoring tools, database architecture, multi-master conflict avoidance, and high availability upgrade concepts. He believes in a multi-disciplinary approach when it comes to high availability. He believes that PostgreSQL has a stupendous future ahead, and he can't wait to see the advancements subsequent versions will bring.