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Displaying posts with tag: Group Communication System (reset)
“The king is dead, long live the king”: Our Paxos-based consensus

In this blog post, we will describe our Paxos-based solution, named eXtended COMmunications, or simply XCOM, which is a key component in the MySQL Group Replication.

XCOM is responsible for disseminating transactions to MySQL instances that are members in a group and for managing their membership.…

Order from Chaos: Member Coordination in Group Replication

We are very excited about the next release of MySQL Group Replication 0.9.0 in MySQL 5.7.15 and the great work that has been done to improve its stability. Release after release, MySQL Group Replication becomes more stable and more user-friendly and has reached a maturity level that made us declare 0.9.0 a release candidate.…

OpenStack Days East — MySQL Options in OpenStack

I recently had the pleasure of attending the first OpenStack Days East conference in NYC. This was the first OpenStack Days event that we’ve had on the East Coast of the US, but I hope that it’s the first of many!…

MySQL Group Replication: Important Behavior and Configuration Changes.

Hi everyone, its been a while since the last release of Group Replication. During this period we have been working hard to improve the plugin and give you a better user experience. Focused on solving several existing bugs, address performance issues and improving user
experience we renamed some variables, introduced new ones and changed some of the plugin policies.…

MySQL Group Replication: A Quick Start Guide

With the new Group Replication Beta release—0.8 for MySQL 5.7.14—available for download on labs.mysql.com, I expect more and more people to begin engaging in various forms of proof-of-concept attempts. So I wanted to create a “quick start guide” (to replace this outdated getting started post) focused on an example/test Linux environment, that covers how to get started, what a full working example test setup can look like, and also include some best practice and operations advice along the way.…

Group Replication — an Overview

Within the MySQL team, we’re extremely excited about Group Replication! More and more of our users are also starting to become aware of this exciting feature–which offers native (virtually) synchronous replication with support for multi-master or active/active update-anywhere replication clusters. Our developers and users alike are eager to see easy, native HA come to MySQL!…

Good Leaders are game changers: Raft & Paxos

Introduction

Consensus is a key component to providing fault-tolerant services such as synchronously replicated data stores, non-blocking atomic commitment and Paxos and Raft are among the most popular consensus algorithms. Paxos has been widely studied by researchers while Raft has become very popular among engineers.…

Increasing MySQL Fabric Resilience to Failures: Meet the Multi-Node Fabric

Overview

Redundancy is key to providing resilience to failures, and in Fabric 1.6.2 (now available on MySQL Labs), we have introduced the possibility to start multiple MySQL Fabric instances that are kept consistent through a replicated state machine.

The state machine replication guarantees that all machines (i.e.…

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