by Neha Korukula | Apr 3, 2024 | Insight for DBAs, PostgreSQL
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,...
by David Stokes | Apr 2, 2024 | Insight for DBAs, PostgreSQL
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...
by Pablo Svampa | Apr 2, 2024 | Insight for DBAs, PostgreSQL
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...
by David Stokes | Apr 1, 2024 | Percona Software, PostgreSQL, Security
Percona’s pg_tde project brings a long-needed ability to encrypt data to PostgreSQL transparently. We are actively asking you to test this code to help build a better project. So please test pg_tde! As you have probably read in earlier blogs on pg_tde, it depends on a...
by Jobin Augustine | Apr 1, 2024 | Insight for DBAs, Insight for Developers, PostgreSQL
This blog was originally published in April 2023 and was updated in April 2024. Indexes are generally considered to be the panacea when it comes to SQL performance tuning, and PostgreSQL supports different types of indexes catering to different use cases. I keep...
by Neha Korukula | Apr 1, 2024 | Insight for DBAs, PostgreSQL
This blog was originally published in July 2023 and was updated in April 2024. Partitioning is the concept of splitting large tables logically into smaller pieces for better performance of the database. In this article, we’ll discuss how to effectively use traditional...
by Kai Wagner | Apr 1, 2024 | Percona Software, PostgreSQL
This blog was published in April of 2023 and updated in April 2024. PostgreSQL is a popular open source relational database management system many organizations use to store and manage their data. One of the key benefits of using PostgreSQL is its reliability,...
by Jobin Augustine | Apr 1, 2024 | Insight for DBAs, PostgreSQL
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...
by David Stokes | Mar 28, 2024 | Open Source, Percona Software, PostgreSQL
Transparent Data Encryption is one ‘missing item’ in comparing PostgreSQL to commercial databases. Percona’s pg_tde project will correct this shortcoming. Progress is ongoing, and Percona would love your feedback, so please download and test. Documentation The pg_tde...
by Kai Wagner | Mar 27, 2024 | Monitoring, Percona Software, PostgreSQL
Database monitoring tools play a crucial role in ensuring the smooth operation and performance optimization of database systems, and Percona Monitoring and Management (PMM) has been a go-to choice for many organizations seeking robust monitoring solutions for their...
by Shivam Dhapatkar | Mar 22, 2024 | Insight for DBAs, PostgreSQL
PostgreSQL configuration file parameters are very important when managing a PostgreSQL database, and this blog post will discuss the importance of backing those files up. The following are the primary configuration files of the PostgreSQL database: postgresql.conf:...
by Abhishek Deb | Mar 21, 2024 | Insight for DBAs, PostgreSQL
PostgreSQL has a feature called data checksum which is used to detect any storage-level corruption of data pages. However, a new PostgreSQL database cluster does not have this feature enabled by default. To activate this feature, you must specify the...
by Daniel Guzmán Burgos | Mar 20, 2024 | Insight for DBAs, Monitoring, Percona Software, PostgreSQL
When checking for how good (or bad) a PostgreSQL instance is behaving, one just wants to see everything that matters on a single-ish page. That’s what the new summary dashboard in Percona Monitoring and Management (PMM) is achieving: So, what is “everything that...
by David Gonzalez | Mar 20, 2024 | Insight for DBAs, PostgreSQL
In a previous blog, One Index, Three Different PostgreSQL Scan Types: Bitmap, Index, and Index Only, we reviewed three ways PostgreSQL can use an index to retrieve data as quickly as possible. In the same blog, we saw the fastest and most efficient method is the...
by Robert Bernier | Mar 12, 2024 | Insight for DBAs, Insight for Developers, PostgreSQL
PostgreSQL extensions are great! Simply by adding an extension, one transforms what is an otherwise vanilla general-purpose database management system into one capable of processing data requirements in a highly optimized fashion. Some extensions, like pg_repack,...
by Sergey Pronin | Mar 4, 2024 | Cloud, Percona Software, PostgreSQL
Percona Operator for PostgreSQL is now Red Hat OpenShift certified. You can now use Percona Operator for PostgreSQL to deploy and manage highly available PostgreSQL clusters on OpenShift. Certification guarantees that our Operator meets standards for interoperability,...
by Agustín | Feb 13, 2024 | Insight for DBAs, PostgreSQL
In this blog post, we are going to briefly discuss the reasons why column order matters when creating tables -or relations- in PostgreSQL. Alignment In its internal representation of tuples, Postgres will set each column at a position depending on the alignment...
by Sonia Valeja | Feb 7, 2024 | Insight for DBAs, PostgreSQL
Backup management is the backbone of any reliable database administration strategy, and while pgBackRest simplifies this process, its default configuration often combines backup and expiry together. At times, due to slow network bandwidth, huge database sizes, or any...
by Ibrar Ahmed | Feb 2, 2024 | Insight for DBAs, PostgreSQL, Security
This blog was originally published in December of 2022 and updated in February of 2024. Encrypting data at rest in a database management system (DBMS) refers to securing data by encrypting it when it is not being used or accessed. This is often done to protect...
by Ninad Shah | Feb 2, 2024 | Insight for DBAs, MySQL, PostgreSQL
This blog was originally published in June of 2023 and was updated in February of 2024. On occasion, DBAs come across segmentation fault issues while executing some queries. However, this is one of the least-explored topics to date. I tried to search for details...
