How to Improve Database Performance: The Ultimate Guide
Percona Blog » PostgreSQL
by David Quilty
2d ago
Welcome to the ultimate guide on how to boost your database performance! We’ve designed it to help you understand and improve the performance of your databases, regardless of your level of experience as a DBA or whether you manage databases for a small or large company.We’ll cover a number of very important topics, such as ..read more
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Switch PostgreSQL Environments Across AWS, GCP, and k3d Using Kubernetes Contexts
Percona Blog » PostgreSQL
by Edith Puclla
2d ago
This article explains how to install the Percona Distribution for PostgreSQL on Kubernetes using “context”. We will show you how to set up this distribution on Kubernetes clusters in AWS, Google Cloud, and locally with k3d. You’ll also learn how to switch between these setups to test them effectively.In Kubernetes, a context is a profile ..read more
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Partially Rolling Back a Transaction in MySQL or PostgreSQL
Percona Blog » PostgreSQL
by Ninad Shah
1w ago
This short write-up focuses on a different transaction control behavior of databases. Though this is not unusual, I decided to write an article on rolling back transactions to a particular point. I selected this topic because I found many people are not aware of this feature in databases.DescriptionEvery ACID-compliant RDBMS follows the “All or None ..read more
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JSON_TABLE() Will Be in PostgreSQL 17
Percona Blog » PostgreSQL
by David Stokes
1w ago
JSON_TABLE() will be in PostgreSQL 17! It almost made it two years ago but was yanked away at the last minute. We will get it shortly when PostgreSQL 17 is officially released this year! Please see this.Why is this important?JSON has become the data interchange format of choice for most developers. JSON had a litany ..read more
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How to Set and Tune Autovacuum Settings in PostgreSQL to Avoid Performance Issues
Percona Blog » PostgreSQL
by Jobin Augustine
1w ago
This blog was originally published in June 2022 and was updated in April 2024.PostgreSQL’s built-in autovacuum – the housekeeper – is improving, version after version. It is becoming more capable while reducing its overhead and addressing edge cases. I think there is no PostgreSQL version that comes out without any autovacuum improvement, and no doubt ..read more
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Protect Your PostgreSQL Database with pg_tde: Safe and Secure
Percona Blog » PostgreSQL
by Kai Wagner
1w ago
Tech Preview release of pg_tde now availableAs organizations collect, store, and analyze vast amounts of data, ensuring its confidentiality and integrity becomes a top priority. For PostgreSQL users, the tech preview release availability of the new encryption extension pg_tde delivers unmatched protection for vital data assets.What is pg_tde?pg_tde, developed by Percona, is an open source ..read more
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Best Practices for PostgreSQL Migration
Percona Blog » PostgreSQL
by David Quilty
2w ago
PostgreSQL’s reputation as a powerful, open source database management system has been steadily rising, making it a top choice for businesses looking to upgrade or switch their database infrastructure. Thanks to its comprehensive SQL compliance, scalability, performance, and cost efficiency, it stands out as a preferred option among developers and database administrators. It is so ..read more
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Foreign Data Wrappers in PostgreSQL Databases (postgres_fdw & dblink)
Percona Blog » PostgreSQL
by Neha Korukula
2w ago
A Foreign Data Wrapper (FDW) is a feature in database management systems that can communicate with an external data source and access data without physically moving the data on a working local database.PostgreSQL implements portions of the SQL/MED specification, allowing access to data that resides outside PostgreSQL using regular SQL queries. Such data, which is ..read more
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PostgreSQL for MySQL DBAs Second Edition Is Now Available
Percona Blog » PostgreSQL
by David Stokes
2w ago
Many years ago, when I was the Certification Manager for MySQL AB, I would be in contact with hiring managers looking for talent. One frustrated individual informed me that while it was hard to find a qualified MySQL DBA, it was impossible to find a qualified PostgreSQL DBA. Years later, that same sentiment is still ..read more
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Five Reasons Why WAL Segments Accumulate in the pg_wal Directory in PostgreSQL
Percona Blog » PostgreSQL
by Pablo Svampa
2w ago
One of the most frequent concerns we see in the Percona support team is: Why is my pg_wal growing? / pg_wal is filling up the filesystem / pg_wal does not release the space, and so on.In PostgreSQL, the pg_wal directory plays a crucial role in managing the Write-Ahead Logging (WAL) mechanism, which ensures the durability ..read more
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