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Elestio provides a complete solution for setting up and managing software clusters. This helps users deploy, scale, and maintain applications more reliably. Clustering improves performance and ensures that services remain available, even if one part of the sys...

This guide explains how to establish a connection between a Python application and a PostgreSQL database using the psycopg2-binary package. It walks through the necessary setup, configuration, and execution of a simple SQL query. Variables To connect to a Po...

This guide explains how to establish a connection between a PHP application and a PostgreSQL database using the built-in PDO extension. It walks through the necessary setup, configuration, and execution of a simple SQL query. Variables To connect to a Postgr...

This guide explains how to establish a connection between a Go (Golang) application and a PostgreSQL database using the github.com/lib/pq driver. It walks through the necessary setup, configuration, and execution of a simple SQL query. Variables To connect t...

This guide explains how to establish a connection between a Java application and a PostgreSQL database using the JDBC driver. It walks through the necessary setup, configuration, and execution of a simple SQL query. Variables Certain parameters must be provi...

This guide explains how to connect to a PostgreSQL database using the psql command-line tool. It walks through the necessary setup, connection process, and execution of a simple SQL query. Variables To connect to a PostgreSQL database, you only need one envi...

pgAdmin is a widely used graphical interface for PostgreSQL that allows you to manage, connect to, and run queries on your databases with ease. Variables To connect using pgAdmin, you'll need the following connection parameters. When you deploy a PostgreSQL ...

Upgrading a database service on Elestio can be done without creating a new instance or performing a full manual migration. Elestio provides a built-in option to change the database version directly from the dashboard. This is useful for cases where the upgrade...

PostgreSQL supports a wide range of extensions that add extra functionality to the core database system. Extensions like uuid-ossp, pg_trgm, and postgis are often used to provide features for text search, spatial data, UUID generation, and more. If you are run...

Regular backups are a key part of managing a PostgreSQL deployment. While Elestio provides automated backups by default, you may want to perform manual backups for specific reasons, such as preparing for a major change, keeping a local copy, or testing backup ...

Restoring backups is essential for recovery, environment duplication, or rollback scenarios. Elestio supports restoring backups both through its built-in dashboard and via command-line tools like pg_restore psql. You can also restore from inside Docker Compose...

Slow queries can significantly affect application performance and user experience. PostgreSQL offers built-in tools to analyze and identify these slow operations. On Elestio, whether you’re connected via terminal, inside a Docker Compose container, or using Po...

Long-running queries can significantly impact database performance by consuming CPU, memory, and I/O resources over extended periods. In production environments like Elestio, it’s important to monitor for these queries and take timely action to terminate them ...

Running out of disk space in a database environment can lead to failed writes, service downtime, and even data corruption. PostgreSQL systems require available space not only for storing data but also for managing temporary files, WAL logs, indexes, and routin...

As your PostgreSQL database grows over time, it’s important to monitor its size and identify what parts of the database consume the most space. Unmanaged growth can lead to performance issues, disk exhaustion, and backup delays. On Elestio, where PostgreSQL is...

Creating a cluster is a foundational step when deploying services in Elestio. Clusters provide isolated environments where you can run containerized workloads, databases, and applications. Elestio’s web dashboard helps the process, allowing you to configure co...

Node management plays a critical role in operating reliable and scalable infrastructure on Elestio. Whether you’re deploying stateless applications or stateful services like databases, managing the underlying compute units nodes is essential for maintaining st...

As your application usage grows or your infrastructure requirements change, scaling your cluster becomes essential. In Elestio, you can scale horizontally by adding new nodes to an existing cluster. This operation allows you to expand your compute capacity, im...

Clusters can be designed for high availability or role-based workloads, where certain nodes may take on leadership or coordination responsibilities. In these scenarios, promoting a node is a key administrative task. It allows you to change the role of a node. ...

Over time, infrastructure needs change. You may scale down a cluster after peak load, decommission outdated resources, or remove a node that is no longer needed for cost, isolation, or maintenance reasons. Removing a node from a cluster is a safe and structure...