by Dave Avery | Feb 14, 2017 | Percona Software
Percona today announced a Percona Server for MongoDB 3.4 solution bundle of updated products. This release enables any organization to create a robust, secure database environment that can be adapted to changing business requirements. Percona Server for MongoDB 3.4,...
by Alexander Rubin | Feb 13, 2017 | Benchmarks
For this blog post, I’ve decided to try ClickHouse: an open source column-oriented database management system developed by Yandex (it currently powers Yandex.Metrica, the world’s second-largest web analytics platform). In my previous set of posts, I tested...
by Peter Zaitsev | Feb 10, 2017 | MongoDB, MySQL
Take Percona’s blog poll on what database engine you are using to store time series data. Time series data is some of the most actionable data available when it comes to analyzing trends and making predictions. Simply put, time series data is data that is indexed not...
by Peter Zaitsev | Feb 9, 2017 | Hardware and Storage, Insight for DBAs, MongoDB, MySQL
In this blog post, I’ll look at the types of NVMe flash health information you can get from using the NVMe command line tools. Checking SATA-based drive health is easy. Whether it’s an SSD or older spinning drive, you can use the smartctl command to get a...
by Hrvoje Matijakovic | Feb 8, 2017 | MySQL, Percona Events, Percona Software
Percona announces the release of Percona Server 5.6.35-80.0 on February 8, 2017. Download the latest version from the Percona web site or the Percona Software Repositories. Based on MySQL 5.6.35, and including all the bug fixes in it, Percona Server 5.6.35-80.0 is the...
by Juan Arruti | Feb 8, 2017 | Insight for DBAs, MySQL
This blog we describe an issue with MySQL 5.7’s super_read_only feature when used alongside with GTID in chained slave instances. Background In MySQL 5.7.5 and onward introduced the gtid_executed table in the MySQL database to store every GTID. This allows slave...
by Alexey Zhebel | Feb 7, 2017 | MongoDB, Monitoring, MySQL, Percona Events, Percona Software
Percona announces the release of Percona Monitoring and Management 1.1.0 Beta on February 7, 2017. This is the first beta in the PMM 1.1 series with a focus on providing alternative deployment options for PMM Server: OVA image for VirtualBox is available from the...
by Alexey Zhebel | Feb 6, 2017 | MongoDB, Percona Events, Percona Software
Percona announces the release of Percona Server for MongoDB 3.4.1-1.1rc on February 6, 2017. It is the first release candidate in the 3.4 series. Download the latest version from the Percona web site or the Percona Software Repositories. NOTE: Release candidate...
by Alexey Zhebel | Feb 6, 2017 | MongoDB, MySQL, Percona Software
Percona announces the availability of Percona Toolkit 3.0.0rc-2 with new MongoDB tools on February 6, 2017. This is a release candidate. Percona Toolkit is a collection of advanced command-line tools to perform a variety of MySQL and MongoDB server and system tasks...
by Hrvoje Matijakovic | Feb 3, 2017 | MySQL, Percona Events, Percona Software
Percona announces the GA release of Percona Server for MySQL 5.7.17-11 on February 3, 2017. Download the latest version from the Percona web site or the Percona Software Repositories. Based on MySQL 5.7.17, including all the bug fixes in it, Percona Server for MySQL...
by Dave Avery | Feb 3, 2017 | MySQL
Welcome to another post in the series of Percona Live featured tutorial speakers blogs! In these blogs, we’ll highlight some of the tutorial speakers that will be at this year’s Percona Live conference. We’ll also discuss how these tutorials can help you improve your...
by Peter Zaitsev | Feb 2, 2017 | MongoDB, MySQL, Percona Software
In this blog post, we will look into more intricate details of PMM alerting. More specifically, we’ll look at how to set up alerting based on templated dashboards. Percona Monitoring and Management (PMM) 1.0.7 includes Grafana 4.0, which comes with the Alerting...
by Dave Avery | Feb 2, 2017 | MySQL, Percona Events
Percona is calling on you! Vote for Percona for Database of the Year in LinuxQuestions.org Members Choice Awards 2016. Help Percona get recognized as one of the best database options for data performance. Percona provides free, fully compatible, enhanced, open source...
by Przemysław Malkowski | Feb 1, 2017 | Insight for DBAs, Insight for Developers, MySQL, Percona Software
In this blog, we’ll discuss how to use concurrency to help with WAN latency when using synchronous clusters. WAN Latency Problem Our customers often ask us for help or advice with WAN clustering problems. Historically, the usual solution for MySQL WAN...
by Hrvoje Matijakovic | Feb 1, 2017 | MySQL, Percona Events, Percona Software
Percona announces the release of Percona Server for MySQL 5.5.54-38.6 on February 1, 2017. Based on MySQL 5.5.54, including all the bug fixes in it, Percona Server for MySQL 5.5.54-38.6 is now the current stable release in the 5.5 series. Percona Server for MySQL is...
by David Busby | Jan 31, 2017 | Cloud, MongoDB, MySQL, Percona Events, Security
Docker 1.12.6 was released to address CVE-2016-9962. CVE-2016-9962 is a serious vulnerability with RunC. Quoting the coreos page (linked above): “RunC allowed additional container processes via runc exec to be ptraced by the pid 1 of the container. This allows...
by Peter Zaitsev | Jan 30, 2017 | Insight for DBAs, MySQL
In this blog post, I’ll discuss MySQL sharding models, and how they apply to SaaS application environments. MySQL is one of the most popular database technologies used to build many modern SaaS applications, ranging from simple productivity tools to...
by Rick Golba | Jan 30, 2017 | MySQL
Last month, MariaDB officially released MariaDB ColumnStore, their column store engine for MySQL. This post discusses what it is (and isn’t), why it matters and how you can approach a test of it. What is ColumnStore? ColumnStore is a storage engine that turns...
by Peter Zaitsev | Jan 27, 2017 | Cloud, MongoDB, MySQL, Percona Events, Percona Services, Percona Software, Webinars
This blog post is a summary of the webinar Percona Software News and Roadmap Update – Q1 2017 given by Peter Zaitsev on January 12, 2017. Over the last few months, I’ve had the opportunity to meet and talk with many of Percona’s customers. I love these meetings,...
by Marcelo Altmann | Jan 27, 2017 | Insight for DBAs, MySQL
In today’s blog, I will show an issue with seconds_behind_master that one of our clients faced when running slave_parallel_workers > 0. We found out that the reported seconds_behind_master from SHOW SLAVE STATUS was lying. To be more specific, I’m talking...
