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Displaying posts with tag: Galera cluster (reset)
How Not to do MySQL High Availability: Geographic Node Distribution with Galera-Based Replication Misuse

Let’s talk about MySQL high availability (HA) and synchronous replication once more.

It’s part of a longer series on some high availability reference architecture solutions over geographically distributed areas.

Part 1: Reference Architecture(s) for High Availability Solutions in Geographic Distributed Scenarios: Why Should I Care?

Part 2: MySQL High Availability On-Premises: A Geographically Distributed Scenario

The Problem

A question I often get from customers is: How do I achieve high availability in case if I need to spread my data in different, distant locations? …

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Geo-distributed multi-master Galera Cluster on Amazon EC2. Join Codership at Amazon re:Invent Las Vegas 26-29 November

Implementing Galera Cluster on Amazon EC2  provides several advantages for companies. Multi-master clustering comes out of the box as a default in Galera. Users can read and write from any database providing fast local writes and reads. Galera handles conflicts automatically if your application is writing to the same row. Nodes can be added and deleted on the fly if you need more capacity and elasticity. New nodes can join automatically. In the case data center downtime Galera provides disaster recovery and Galera Cluster takes care of the split brain situation too. Automated failover and recovery allow the database to continually service the application transparently.

Meet the developers and experts of Galera Cluster in Amazon re:Invent Las Vegas 26-29 November. You can find us at Venetian hotel, booth number 738.

Galera Cluster supports high volume traffic at Paytrail and THINQ

Paytrail

 

“Galera Cluster has supported our growth all the way from a small number of transactions to high volume  traffic. Since 2012 our payment service with Galera has processed over 4 billion euros worth of product and service sales. Today we help 10 000+ webshops and online services in several countries to provide a pleasant shopping experience to their customers”

 

THINQ

 

“We’re very happy how Galera Cluster facilitated automated failover eliminating downtime for THINQ services that programmatically route millions of phone calls. The comprehensive Codership documentation includes, for example, the AppArmor package settings necessary to make Galera Cluster nodes more secure. ”

North Carolina based, THINQ is a cloud-based software company that develops Business as a Service (BaaS) solutions for the telecommunications industry. Partners …

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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.

Releasing Galera Cluster 3.24 with Improved Deadlock Error Management

Codership is pleased to announce the release of Galera Replication library 3.24, implementing wsrep API version 25.  The new release includes improved deadlock error management with foreign keys and security fixes. As always, Galera Cluster is now available as targeted packages and package repositories for a number of Linux distributions, including Ubuntu, Red Hat, Debian, CentOS, OpenSUSE and SLES, as well as FreeBSD. Obtaining packages using a package repository removes the need to download individual files and facilitates the easy deployment and upgrade of Galera Cluster nodes.

This release incorporates all changes up to MySQL 5.7.23, MySQL 5.6.41 and MySQL 5.5.61.

 

Galera Replication Library 3.24
New features and notable fixes in Galera replication since last binary release by Codership (3.23)

* A support for new …

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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

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ProxySQL Series : Percona Cluster/MariaDB Cluster (Galera) Read-write Split

ProxySQL is the most preferred and is widely used for load-balancing MySQL workload, thanks to Rene Cannon & Team for the great tool, and kudos on the recent release of ProxySQL 1.4.10, with a lot of bug fixes. ProxySQL is simple in design, lightweight, highly efficient and feature rich, We have been working with ProxySQL in production for our client quite a sometime, we have also shared some of our encounters/experience and use cases in the below blogs.

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MMUG19: Multi-instances with Galera Cluster and MySQL 8.0 on 25th April in Madrid

The Madrid MySQL Users Group has been a bit quiet recently so we thought it would be good to have a meeting again. The next meeting will take place next on Wednesday, 25th April and will cover Galera Cluster (Presentation by Emanuele Mottola).  We will also talk about MySQL 8.0 and any latest updates that … Continue reading MMUG19: Multi-instances with Galera Cluster and MySQL 8.0 on 25th April in Madrid

Handling long duration SST(timeout) in PXC with systemd

In this blog post, We will be explaining about the timeouts in SST on systemd implementation which we faced recently in Percona XtraDB Cluster  during our Consulting with a client. State Snapshot Transfers (SST) refers to complete data sync from one of the nodes from the cluster to the joining node.

SST will happen for one or more reasons listed below.

  1. Initial sync to join a node to cluster.
  2. Node is out of cluster and lost its ability to join back due to data corruption or inconsistencies and also when the node went far behind the node, …
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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: …

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