Pg_database
Detect PostgreSQL Transaction ID Wraparound Risk
Apr 3, 2026 / · 4 min read · postgresql administration vacuum monitoring database pg_class pg_database pg_settings pg_stat_activity pg_stat_user_tables ·Detect PostgreSQL Transaction ID Wraparound Before It Causes Downtime PostgreSQL assigns a transaction ID (XID) to every write transaction. These IDs are 32-bit integers, which means they can only count up to about 2 billion. When the counter gets close to the limit, PostgreSQL must freeze old transaction IDs to …
Read MoreAssess PostgreSQL Database Sizes Quickly and Easily
Apr 2, 2024 / · 2 min read · PostgreSQL Database Administration Performance Optimization Storage Management pg_database_size pg_size_pretty pg_database ·Quickly Assess Your PostgreSQL Database Landscape by Size Managing multiple PostgreSQL databases requires an understanding of their storage footprint. This article introduces a simple yet effective PostgreSQL code snippet that helps you quickly determine the size of each database in your system, ordered by their …
Read MoreList Your PostgreSQL Databases by Size (With Access Check) Keeping your PostgreSQL database server organized is crucial for optimal performance and manageability. A critical aspect of this organization is understanding the storage footprint of each database. This SQL code snippet empowers you to efficiently retrieve a …
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