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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 [...]

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 [...]

What’s new with PostgreSQL 15?

PostgreSQL 15 new features PostgreSQL 15, the latest version of the popular open-source relational database management system, was released on October 3rd, 2021 and it comes with several new features and improvements: Parallelized Vacuum: PostgreSQL [...]

PostgreSQL Character Set Support in PostgreSQL 13

PostgreSQL 13 Character Set Support The character set support in PostgreSQL allows you to store text in a variety of character sets (also called encodings), including single-byte character sets such as the ISO 8859 series [...]

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