MongoDB 4.0 is around, and there are a lot of new features and improvements. In this article we’re going to focus on the major feature which is, undoubtedly, the support for multi-document ACID transactions. This novelty for a NoSQL database could be seen as a way to get closer to the relational world. Well, […]Read more
Announcing the opening of the Percona Live 2019 Open Source Database Conference call for papers. It will be open from now until January 20, 2019. The Percona Live Open Source Database Conference 2019 takes place May 28-30 in Austin, Texas.
Our theme this year is CONNECT. ACCELERATE. INNOVATE.
As a speaker at Percona Live, you’ll have the opportunity […]
PostgreSQL streaming physical replication with slots simplifies setup and maintenance procedures. Usually, you should estimate disk usage for the Write Ahead Log (WAL) and provide appropriate limitation to the number of segments and setup of the WAL archive procedure. In this article, you will see how to use replication with slots and understand what problems […]Read more
Percona announces the release of Percona Server 5.6.42-84.2 on November 29, 2018 (Downloads are available here and from the Percona Software Repositories).
Based on MySQL 5.6.42, including all the bug fixes in it, Percona Server 5.6.42-84.2 is the current GA release in the Percona Server 5.6 series. All of Percona‘s software is open-source and free.
PS-4790: Improve user statistics accuracy
Slave replication could break if upstream bug #74145 (FLUSH […]Read more
Continuing on the series of blog posts about MySQL High Availability, today we will talk about stale reads and how to overcome this issue.
Stale reads is a read operation that fetches an incorrect value from a source that has not synchronized an update operation to the value (source Wiktionary).
A practical scenario is when […]
The settings of MySQL configuration variables have a fundamental impact on the performance of your database system. Sometimes it can be a little tricky to predict how changing one variable can affect others, and especially when dealing with cases like the one I’ll describe in this post, where the outcome is not very intuitive. […]Read more
By the end of this article, you should be able to have a Percona Server for MongoDB and Percona Server for MySQL instance able to authenticate on an OpenLDAP backend. While this is mostly aimed at testing scenarios, it can be easily extended for production by following the OpenLDAP production best practices i.e. attending […]Read more
Please join Percona’s Sr. Technical Operations Architect, Tim Vaillancourt, as he presents Improve MongoDB Performance with Proper Queries on Thursday, November 29th, 2018, at 12:30 PM PST (UTC-8) / 3:30 PM EST (UTC-5).
There are many different ways you can use queries in MongoDB to find the data you need. However, knowing which queries […]
Come see Percona at AWS re:Invent from November 26-30, 2018 in booth 1605 in The Venetian Hotel Expo Hall.
Percona is a Bronze sponsor of AWS re:Invent in 2018 and will be there for the whole show! Drop by booth 1605 in The Venetian Expo Hall to discuss how Percona’s unbiased open source databse experts can […]Read more
See Percona CEO Peter Zaitsev’s Keynote at AWS re:Invent: MySQL High Availability and Disaster Recovery
Join Percona CEO Peter Zaitsev at AWS re:Invent as he presents MySQL High Availability and Disaster Recovery on Tuesday, November 27, 2018, in the Bellagio Resort, Level 1, Gaugin 2 at 1:45 PM.
In this hour-long session, Peter describes the differences between high availability (HA) and disaster recovery (DR), and then moves through scenarios detailing […]Read more