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Displaying posts with tag: Galera Replication (reset)
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 …

[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 …

[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 …
[Read more]
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

[Read more]
Codership is hiring! We are looking for Quality Assurance Engineer

Codership 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 questions and support tickets

 

Desired Skills and Experience

  • 3 years of experience in QA on Linux
  • Proven record of implementing test …
[Read more]
Meet Galera Cluster developers and experts at MariaDB MI17 Conference in New York April 11-12

Find Galera Cluster developers and experts in our booth.  We would be happy to hear your Galera Cluster story.

 

Galera presentations in MI17:

 

Deep Dive: Adding Replication and Scaling with Galera

Wednesday, April 12 1:10 pm – 2:00 pm.

Seppo  Jaakola, Codership CEO

Data inconsistency is the worst problem that can happen for a synchronous database cluster. At some point it will appear during replication processing, simply because the application of replication events is not possible in some cluster nodes due to missing rows, excessive rows or wrong values in the row columns. As a result, this usually stops the replication process ...READ MORE

 

Step-by-step: Clustering with Galera and Docker Swarm

Wednesday, April 12 2:10 pm – 3:00 pm

[Read more]
USA Webinar-Galera Cluster® Best Practices for DBAs and DevOps Part 3: DDLs and Schema Upgrades Feb 21st

Description

 

In this part of the webinar series on best practices for Galera Cluster, we will discuss schema changes and DDL.

We will show how Galera Cluster executes DDLs in a safe, consistent manner across all the nodes in the cluster, and the differences with stand-alone MySQL. We will discuss how to prepare for and successfully carry out a schema upgrade and the considerations that need to be taken into account during the process.

The webinar will conclude with a Q&A session where you can ask any questions you may have about Galera Cluster.

Time: 9-10 AM PST (Pacific time zone), 21st of  February

Speakers: Philip Stoev, Quality and Release Manager, Codership                Sakari Keskitalo, COO, Codership

[Read more]
Taking Full Advantage of Galera Multi-Master Replication-Galera Cluster Resources Updated

Last year Codership produced a lot of valuable content to help Galera users to get started with Galera and manage Galera. We have gathered  the resources to our website.

Taking Full Advantage of Galera Multi-Master replication video can be watched here.

We have now uploaded Slideshare with many new presentations. Check them out!

The best source of multi-master Galera Cluster help,  Galera Cluster documentation, is being updated constantly.

Codership is hiring Software Packaging Engineer!

Software Packaging EngineerJob Description & Main Responsibilities

 

Codership is looking for a part-time Build and Packaging Engineer. We use Jenkins to build various packages for multiple distros and the engineer will take ownership of the build pipeline and extend it to cover additional platforms and testing scenarios.

There are plenty of interesting problems to tackle on the job, from crafting .spec files with complex dependencies to automatically testing no-downtime rolling upgrades of a distributed system.

Main Responsibilities

  •  take the ownership of and maintain Galera Cluster packages on Linux (.RPM and .DEB) and BSD
  • maintain the automatic package building pipeline and extend it to cover additional platforms and testing scenarios

 

Desired Skills & Requirements

 

  • knowledge of …
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