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Group Replication: Shipped Too Early

 | February 15, 2017 |  Posted In: Group Replication, High-availability, MySQL, Percona XtraDB Cluster

Group Replication

This blog post is my overview of Group Replication technology. With Oracle clearly entering the “open source high availability solutions” arena with the release of their brand new Group Replication solution, I believe it is time to review the quality of the first GA (production ready) release. TL;DR: Having examined the technology, it is my […]

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Docker Images for Percona Server for MySQL Group Replication

 | February 15, 2017 |  Posted In: Group Replication, MySQL

Group Replication

In this blog post, we’ll point to a new Docker image for Percona Server for MySQL Group Replication. Our most recent release of Percona Server for MySQL (Percona Server for MySQL 5.7.17) comes with Group Replication plugins. Unfortunately, since this technology is very new, it requires some fairly complicated steps to setup and get running. To help […]

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Percona Live Open Source Database Conference 2017 Crash Courses: MySQL and MongoDB!

 | February 14, 2017 |  Posted In: MongoDB, MySQL, Percona Live

Percona Live

The Percona Live Open Source Database Conference 2017 will once again host crash courses on MySQL and MongoDB. Read below to get an outstanding discount on either the MySQL or MongoDB crash course (or both). The database community constantly tells us how hard it is to find someone with MySQL and MongoDB DBA skills who can help with […]

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Percona Server for MongoDB 3.4 Product Bundle Release is a Valentine to the Open Source Community

 | February 14, 2017 |  Posted In: Percona Monitoring and Management, Percona Server for MongoDB, Percona Toolkit

Percona Server for MongoDB 3.4

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, Percona Monitoring and Management 1.1, and Percona Toolkit 3.0 offer more features and benefits, with enhancements for both MongoDB® and […]

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ClickHouse: New Open Source Columnar Database

 | February 13, 2017 |  Posted In: Benchmarks

Clickhouse

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 Apache Spark for big data analysis and used Wikipedia page statistics as a data source. I’ve used the same data as […]

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Using NVMe Command Line Tools to Check NVMe Flash Health

 | February 9, 2017 |  Posted In: Hardware and Storage, Insight for DBAs, MongoDB, MySQL

NVME

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 wealth of information about the device’s performance and health. […]

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Percona Server 5.6.35-80.0 is Now Available

 | February 8, 2017 |  Posted In: Events and Announcements, MySQL, Percona Server for MySQL, Percona Software, TokuDB

Percona Server for MySQL 5.7

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 current GA release in the Percona Server 5.6 series. Percona Server is open-source and free […]

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MySQL super_read_only Bugs

and  | February 8, 2017 |  Posted In: Insight for DBAs, MySQL, Replication

MySQL error code 1215

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 instances to use the GTID feature regardless whether the binlog option is set or not. Here […]

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Percona Monitoring and Management 1.1.0 Beta is Now Available

 | February 7, 2017 |  Posted In: Database Monitoring, Events and Announcements, MongoDB, MySQL, Percona Monitoring and Management, Percona Software, PMM

Percona Monitoring and Management

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 testing download area at https://www.percona.com/redir/downloads/TESTING/pmm/. Public Amazon Machine Images (AMI): US East (N. Virginia) […]

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