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Displaying posts with tag: Galera Replication (reset)
Invitation to meet Galera Cluster developers at Oracle OpenWorld San Francisco

We will have a kiosk at Moscone Center, south exhibition hall, Oracle’s Data Management area number 123, close to high availability area and exits 16 and 18. Our kiosk number is DBA-P1.

Our CEO and Co-Founder Seppo Jaakola will host a presentation highlighting the main features of our upcoming Galera Cluster 4.0. The presentation will take place Monday, Oct 22, 1:00 p.m. – 1:20 p.m at the Exchange @ Moscone South – Theater 2. Seats are limited!

Come and meet us! Let’s discuss your MySQL high availability plan or your Galera Cluster deployment. If you want to set up a meeting with us please email to ínfo@galeracluster.com for a meeting request.

Codership is hiring Galera Cluster product specialist/community manager

Galera Cluster is the leading high availability solution for MySQL and MariaDB. We are always looking for bright and driven people who have a passion for technology, especially for database replication and clustering. If you are interested in challenging work, being part of a innovative team and world’s leading MySQL clustering company-then Codership is right place for you!  This is a remote job.

 

Job Description and Responsibilities

  • Write Galera Cluster technical marketing material (blogs, white papers, benchmarks)
  • Prepare presentations and present at webinars and conferences
  • Be active in social media channels and forums
  • Consult customers for Galera Cluster best practices
  • Pre-sales support
  • Interface with the development team to provide user feedback
  • Assist in writing Galera documentation

[Read more]
Galera cluster to AWS Aurora migration & HA_ERR_FOUND_DUPP_KEY

In this post we will see a case study of a Galera Cluster migration to AWS Aurora and quick solution to the replication issue. A friend received an error in a Master-Master replication as follows: Could not execute Write_rows event on table _database._table; Duplicate entry '65eJ8RmzASppBuQD2Iz73AAy8gPKIEmP-2018-08-03 08:30:03' for key 'PRIMARY', Error_code: 1062; handler error HA_ERR_FOUND_DUPP_KEY; […]

Announcing Galera Cluster Security Release for MySQL 5.5.59, 5.6.39, 5.7.21 with Galera 3.23.

Codership is pleased to announce the release of Galera Replication library 3.23, implementing wsrep API version 25.

This release incorporates all changes up to MySQL 5.7.21, MySQL 5.6.39 and MySQL 5.5.59, including several fixes to vulnerabilities reported by Oracle in here.

New features and notable fixes in Galera replication since last binary release
by Codership (3.22):

 

Notable bug fixes in MySQL 5.7.21: …

[Read more]
MariaDB MI18 Conference in New York February 26–27. Meet Galera Cluster developers. Visit BlaBlaCar and Ansell Guardian Galera presentations.

Use the opportunity to talk to Galera Cluster developers and experts. Visit Galera Cluster booth at Conrad Hotel, New York City February 26-27. We will be happy to answer your questions and verify your Galera deployment plans.

There are many Galera Cluster presentations at the conference.

 

Under the Hood: Galera Cluster

Seppo Jaakola, CEO Codership

Tuesday 27th, 8:40 am – 9:30 am

This session will provide attendees with common use cases for clustering, a comprehensive explanation of how clustering works with Galera and introduce new features and improvements available in Galera Cluster 4.

 

Global Data Replication with Galera for Ansell Guardian

Greg Henderson and Louis Zircher

Monday 26th, 4:00 pm – 4:50 pm

In early 2017, we seamlessly replaced the global geo-distributed data synchronization …

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Announcing Galera Cluster for MySQL 5.5.58, 5.6.38, 5.7.20 with Galera 3.22.

Codership is pleased to announce a new release of Galera Cluster for MySQL consisting of MySQL-wsrep 5.5.58, 5.6.38, 5.7.20 and new Galera 3.22 library, wsrep API version 25.

 

NEW FEATURES AND NOTABLE FIXES IN THE GALERA REPLICATION LIBRARY SINCE LAST BINARY RELEASE BY CODERSHIP (3.21):

 

New features and notable fixes in Galera replication since last binary release

* Reporting last committed write set fixed to respect commit ordering (MW-341)

* GComm socket level error handling improved to avoid backend thread exit
in case of unexpected input from ASIO IO service (GAL-518)

* Race condition fixed in GComm message sending codepath (GAL-520)

* Fix for EVS protocol stall due to exhausted send window setting. This
bug could stall cluster messaging until the next keepalive was sent by
some node, causing …

[Read more]
Joint Webinar with Severalnines: How to manage Galera Cluster using ClusterControl

Since its creation, Galera Cluster has established itself as the most popular high availability solution for MySQL and MariaDB users worldwide.

ClusterControl is the go-to automation and management system for Galera Cluster users.

And together, we’re going to walk you through all the different aspects that make Galera Cluster such a popular high availability solution for MySQL and MariaDB and how to best manage it with ClusterControl.

We’ll hear about the latest features of Galera Cluster directly from Codership, the creators of Galera Cluster. And we’ll look at how to automate everything from deployment, monitoring (how about ASCII-art graphs?), backups, failover, recovery, rolling upgrades and scaling using the ClusterControl CLI (for a change, we also have a GUI of course).

AGENDA

Introduction
About Codership, the makers of Galera Cluster
About Severalnines, the makers of …

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Joint Webinar with Severalnines: How to manage Galera Cluster using ClusterControl

Since its creation, Galera Cluster has established itself as the most popular high availability solution for MySQL and MariaDB users worldwide.

ClusterControl is the go-to automation and management system for Galera Cluster users.

And together, we’re going to walk you through all the different aspects that make Galera Cluster such a popular high availability solution for MySQL and MariaDB and how to best manage it with ClusterControl.

We’ll hear about the latest features of Galera Cluster directly from Codership, the creators of Galera Cluster. And we’ll look at how to automate everything from deployment, monitoring (how about ASCII-art graphs?), backups, failover, recovery, rolling upgrades and scaling using the ClusterControl CLI (for a change, we also have a GUI of course).

AGENDA

Introduction
About Codership, the makers of Galera Cluster
About Severalnines, the makers of …

[Read more]
Galera Cluster is looking for Quality Assurance Engineer and C++ Software Developer

Join Galera Cluster team!  Both jobs are key positions at Codership. You will influence a great deal to Galera Cluster user experience.  We have thousands of users.

 

Galera Cluster QA Engineer

The QA Engineer/release manager will be responsible for working with the development team at Codership and create and execute tests, make builds of Galera Cluster and develop and extend test automation frameworks.

You will be also working closely with MariaDB development and quality assurance teams to prioritize software bug fixes.

 

Tasks

  • Continuously refine the QA process to improve product quality
  • Troubleshoot and work with the development team to isolate issues
  • Create and maintain automated tests
  • Make Galera software builds (our build pipeline uses python, Jenkins, Docker and Qemu)
  • Assist customers with their …
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Announcing Galera Cluster 5.7.18, 5.6.36 and 5.5.55 with Galera 3.21. Improvements to IPv6 Support, Bug Fixes and Changes to Repositories Structure

Codership is pleased to announce a new release of Galera Cluster for MySQL
consisting of MySQL-wsrep 5.7.18, 5.6.36, 5.5.55 and Galera 3.21, wsrep API
version 25.

Changes to Repositories Structure

With the new release the repository structure is changed to allow for
existence of all of the wsrep-patched mysql versions currently supported:
5.5 through 5.7.

Thus the repository layout requires from the user to adjust his or her
repository configuration to accomodate those changes. In order to have the
MySQL-wsrep and Galera library installed, one would need to add the following
repositories:

1. Galera-3 repository for galera library:
e.g. http://releases.galeracluster.com/galera-3/DIST/

Here DIST is Linux distribution (ubuntu, centos, …).

The latest version of Galera for FreeBSD is available in FreeBSD Ports

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