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Faster Node Rejoins with Improved IST performance
In this blog, we’ll look at how improvements to Percona XtraDB Cluster improved IST performance. Introduction Starting in version 5.7.17-29.20 of Percona XtraDB Cluster significantly improved...
View ArticleLog Buffer #517: A Carnival of the Vanities for DBAs
This Log Buffer Edition covers Oracle, SQL Server and MySQL. Oracle: Protecting Financial Data with Oracle WebCenter and Adobe LiveCycle Oracle Forms 12c oracle.security.jps.JpsException Error after...
View ArticleMySQL Connector/J 5.1.43 has been released
Dear MySQL Users, MySQL Connector/J 5.1.43, a maintenance release of the production 5.1 branch has been released. Connector/J is the Type-IV pure-Java JDBC driver for MySQL. MySQL Connector Java is...
View ArticleWhy Thread May Hang in "Waiting for table level lock" State - Part I
Last time I had to use gdb to check what's going on in MySQL server and found something useful with it to share in the blog post it was April 2017, and I miss this kind of experience already. So, today...
View ArticleHow far can you go with MySQL or MariaDB ?
MySQL theoretical limits are known and they can be found in the manual, they include: MyISAM permits data and index files to grow up to 256 TiB by default, but this limit can be changed up to the...
View ArticleHow to Install Pimcore with Nginx on CentOS 7
Pimcore is an open source enterprise content management system (CMS) written in PHP, It uses MySQL as database backend. In this tutorial, we will install Pimcore CMS on CentOS 7 server.
View ArticleMySQL Connector/ODBC 5.3.9 has been released
MySQL Connector/ODBC 5.3.9, a new version of the ODBC driver for the MySQL database management system, has been released. The available downloads include both a Unicode driver and an ANSI driver based...
View ArticleMySQL Connector/C 6.1.11 GA has been released
Dear MySQL Users, A new GA (general availability) version of MySQL Connector/C has been made available: MySQL Connector/C 6.1.11 GA. The MySQL Connector/C 6.1 implements the MySQL C API for connecting...
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Percona XtraBackup 2.4.8 is Now Available
Percona announces the GA release of Percona XtraBackup 2.4.8 on July 24, 2017. You can download it from our download site and apt and yum repositories. Percona XtraBackup enables MySQL backups without...
View ArticleCommunity contributions to MariaDB
One of the goals of the MariaDB Foundation is to help new contributors understand the source code and to lower the barrier for new participants. One way to measure this is to look at the number of...
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jOOQ 3.10 Supports Exciting MySQL 8.0 Features
In recent months, there had been some really exciting news from the MySQL team: (Recursive) Common Table Expressions in MySQL Introducing Window Functions These two SQL standard language features are...
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Tips & Tricks - DevOps Database Glossary for the MySQL Novice
When you need to work with a database that you are not 100% familiar with, you can be overwhelmed by the hundreds of metrics available. Which ones are the most important? What should I monitor, and...
View ArticlePHP and MySQL Without the SQL
Embedding Structured Query Language (SQL) within PHP, or other programming languages, has been problematic for some. Mixing two programming languages together is just plainly not aesthetically...
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Webinar Thursday July 27, 2017: Database Backup and Recovery Best Practices...
Join Percona’s, Architect, Manjot Singh as he presents Database Backup and Recovery Best Practices (with a Focus on MySQL) on Thursday, July 27, 2017 at 11:00 am PDT / 2:00 pm EDT (UTC-7). Register...
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MySQL Group Replication is sweet… but can be sour if you misunderstand it ;-)
Recently, my friend Marco Tusa(MySQL Daddy or the Grinch) wrote his first impression on MySQL Group Replication (part of InnoDB Cluster). And his conclusion was not that positive. But when I analyze...
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MySQL users management using ProxySQL Tools
Recently, we have implemented a set of new commands in ProxySQL Tools to manage MySQL users. You can create, delete, and modify users from command line. There are commands: proxysql-tools galera user...
View ArticleGroup Replication: Prioritise member for the Primary Member Election
In initial Group Replication release, 5.7.17, we included the Single-Primary Mode with automatic membership and fail-over features. The MySQL Server 8.0.2 release has brought further enhancement to...
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DevOps Considerations for Production-ready Database Deployments
MySQL is easy to install and use, it has always been popular with developers and system administrators. On the other hand, deploying a production-ready MySQL environment for a business-critical...
View ArticleTungsten Replicator and Clustering 5.2.0 Released
Continuent are pleased to announce the release of Tungsten Replicator and Tungsten Clustering 5.2.0 This release is one of our most exciting new releases for a while, as it contains some significant...
View ArticleReplicating from a higher to lower MySQL version
As we know, replication is only supported officially between consecutive major MySQL versions, and only from a lower version master to a higher version slave. This means for example, the following...
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