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PostgreSQL Multi-Master Replication: Step-by-Step for High Availability (PostgreSQL 15)

Step-by-step PostgreSQL multi-master Replication for High Availability Here is a general step-by-step guide for setting up PostgreSQL multi-master replication in PostgreSQL 15 for high availability: Step 1: Prepare the master nodes: Make sure that the […]

PostgreSQL Least Recently Used (LRU) List: How It Is Managed

How Least Recently Used (LRU) list is managed in PostgreSQL? In PostgreSQL, the least recently used (LRU) list is a mechanism used to manage the buffer cache. The buffer cache is a memory area used [...]

How PostgreSQL Vacuum works?

How does PostgreSQL Vacuum work? In PostgreSQL, the vacuum process is responsible for reclaiming space from deleted or updated rows in tables. The vacuum process works by scanning the table and removing any rows that [...]

pgAdmin 4 Two Factor Authentication: How to Set It Up

How to setup Two Factor Authentication in pgAdmin 4? Setting up two-factor authentication (2FA) in pgAdmin 4 is a multi-step process that involves configuring pgAdmin and the PostgreSQL server. Here is an overview of the [...]

PostgreSQL 15 Parallelized Vacuum: How to Implement It

How to implement Parallelized Vacuum in PostgreSQL 15? In PostgreSQL 15, the parallelized vacuum feature allows you to run multiple vacuum processes in parallel, which can significantly improve the performance of the vacuum operation. Here [...]

PostgreSQL Transparent Data Encryption (TDE): How to Implement It

Implementing Transparent Data Encryption (TDE) in PostgreSQL Transparent Data Encryption (TDE) is a feature in PostgreSQL that allows you to encrypt data at rest, meaning the data is encrypted when it is stored on disk [...]

How to use a Binary Search Key

Understanding how Binary Search Key works? A binary search key is used to quickly search for a specific value in a sorted array or list. The basic idea behind the binary search algorithm is to [...]

PostGIS for dummies

PostGIS for dummies - How PostGIS works? PostGIS is an open-source extension for the PostgreSQL database management system that adds spatial functionality for working with geographic data. It allows you to store, index, and query [...]

How to monitor PostgreSQL replication lag

PostgreSQL Advanced DBA Series: Monitoring PostgreSQL replication lag There are several ways to monitor replication lag in PostgreSQL: pg_stat_replication: This is a PostgreSQL system view that provides information about the replication status, including the replication lag. [...]

PostgreSQL 15 Replication: Reducing Lag with IO Concurrency in Postgres 15

PostgreSQL 15 Advanced DBA Series: Troubleshooting PostgreSQL 15 replication lag with IO concurrency There are several ways to reduce replication lag with IO concurrency in PostgreSQL 15: Increase the number of parallel workers: PostgreSQL 15 [...]

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