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New Features and Improvements in Percona Server for MongoDB: Release Roundup August 2, 2021

It’s release roundup time again here at Percona! Our Release Roundups showcase the latest Percona software updates, tools, and features to help you manage and deploy our software. It offers highlights and critical information, as well as links to the full release notes and direct links to the software or service itself to download. Today’s post includes...

Improve PostgreSQL Query Performance Insights with pg_stat_monitor

Understanding query performance patterns is essentially the foundation for query performance tuning. It, in many ways, dictates how a database cluster evolves. And then there are obviously direct and indirect cost connotations as well. PostgreSQL provides very detailed statistics through a number of catalog views and extensions that can be easily added...

Percona Monthly Bug Report: July 2021

Here at Percona, we operate on the premise that full transparency makes a product better. We strive to build the best open-source database products, but also to help you manage any issues that arise in any of the databases that we support. And, in true open-source form, report back on any issues or bugs you might encounter along the way. We constantly...

PostgreSQL PL/Java – A How-To, Part 1

We’ve recently received some questions regarding PL/Java and I found it hard to get clear instructions searching on the internet. It’s not that there is no good information out there, but most of it is either incomplete, outdated, or confusing and I decided to create this short “how-to” and show how to install it and how to get it running with few examples....

MongoDB: Modifying Documents Using Aggregation Pipelines and Update Expressions

Updating documents on MongoDB prior to version 4.2 was quite limited. It was not possible to set values to a conditional expression, combine fields, or update a field based on the value of another field on the server-side. Tracing a parallel to the SQL update statements, for example, it wasn’t possible to do something like the following: Update t1...

Building and Testing Percona Distribution for MongoDB Operator

Recently I wanted to play with the latest and greatest Percona Distribution for MongoDB Operator which had a bug fix I was interested in. The bug fix was merged in the main branch of the git repository, but no version of the Operator that includes this fix was released yet. I started the Operator by cloning the main branch, but the bug was still reproducible....

The 1-2-3 for PostgreSQL Logical Replication Using an RDS Snapshot

We have several PostgreSQL versions that support logical decoding to replicate data changes from a source database to a target database, which is a cool and very powerful tool that gives the option to replicate all the tables in a database, only one schema, a specific set of tables or even only some columns/rows, also is a helpful method for version...

Free Webinar July 27: Why Fiserv Moved to Percona to Run MongoDB

Fiserv, a Percona customer, will discuss the business case and results they achieved working with Percona to run MongoDB.  Register for a Fireside Chat taking place on Tuesday, July 27, 1 PM EDT! If you use MongoDB to build business applications that need to scale quickly, the chances are that your company is paying dearly for enterprise licenses....

Performing ETL Using Inheritance in PostgreSQL

Good database maintenance includes not only performing the standard adding, updating, and deleting records, etc., but periodic edits to the table schema too. Operations such as adding, editing, and removing table columns are part of today’s life-cycle reality too as new functionality is constantly being added. In quieter, and less demanding times,...

New Features in Percona Server for MySQL, Updated Percona Distribution for PostgreSQL: Release Roundup July 19, 2021

It’s release roundup time again here at Percona! Our Release Roundups showcase the latest Percona software updates, tools, and features to help you manage and deploy our software. It offers highlights and critical information, as well as links to the full release notes and direct links to the software or service itself to download. Today’s post includes...

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