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Displaying posts with tag: high-availability (reset)

Technical Webinars
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You want to use or to know more about Sun technologies? Join these Webinars to improve your knowledge and skills. You will be able to ask questions to Sun's experts.

  • Mercredi 10 Février : Securité pour les applications Web. Pour les startups du Web, la protection et la sécurisation de leurs applications, de leurs données, et de celles de leurs clients est un véritable facteur clé de succès.  Ce Webinar couvre les différents challenges liés à la sécurité ainsi que les solutions associées telles que l'encryption, l'authentification, les certificats, la …

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Technical Webinars
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You want to use or to know more about Sun technologies? Join these Webinars to improve your knowledge and skills. You will be able to ask questions to Sun's experts.

  • Mercredi 10 Février : Securité pour les applications Web. Pour les startups du Web, la protection et la sécurisation de leurs applications, de leurs données, et de celles de leurs clients est un véritable facteur clé de succès.  Ce Webinar couvre les différents challenges liés à la sécurité ainsi que les solutions associées telles que l'encryption, l'authentification, les certificats, la …

  [Read more...]
Setting Up Master-Master Replication On Four Nodes With MySQL 5 On Debian Etch
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Setting Up Master-Master Replication On Four Nodes With MySQL 5 On Debian Etch

This tutorial explains how you can set up MySQL master-master replication on four MySQL nodes (running on Debian Etch). The difference to a two node master-master replication is that if you have more than two nodes, the replication goes in a circle, i.e., with four nodes, the replication goes from node1 to node2, from node2 to node3, from node3 to node4, and from node4 to node1.

How To Set Up A Load-Balanced MySQL Cluster With MySQL 5.1
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How To Set Up A Load-Balanced MySQL Cluster With MySQL 5.1

This tutorial is based on Falko Timme's tutorial for MySQL Cluster 5.0. It shows how to configure a MySQL 5.1 cluster with five nodes: 1 x management, 2 x storage nodes and 2 x balancer nodes. This cluster is load-balanced by an Ultra Monkey package which provides heartbeat (for checking if the other node is still alive) and ldirectord (to split up the requests to the nodes of the MySQL cluster).

How To Set Up A Load-Balanced MySQL Cluster With MySQL 5.1
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How To Set Up A Load-Balanced MySQL Cluster With MySQL 5.1

This tutorial is based on Falko Timme's tutorial for MySQL Cluster 5.0. It shows how to configure a MySQL 5.1 cluster with five nodes: 1 x management, 2 x storage nodes and 2 x balancer nodes. This cluster is load-balanced by an Ultra Monkey package which provides heartbeat (for checking if the other node is still alive) and ldirectord (to split up the requests to the nodes of the MySQL cluster).

Master-Master Replication With MySQL 5 On Fedora 8
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Master-Master Replication With MySQL 5 On Fedora 8

This document describes how to set up master-master replication with MySQL 5 on Fedora 8. Since version 5, MySQL comes with built-in support for master-master replication, solving the problem that can happen with self-generated keys. In former MySQL versions, the problem with master-master replication was that conflicts arose immediately if node A and node B both inserted an auto-incrementing key on the same table. The advantages of master-master replication over the traditional master-slave replication are that you don't have to modify your applications to make write accesses only to the master, …

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Master-Master Replication With MySQL 5 On Fedora 8
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Master-Master Replication With MySQL 5 On Fedora 8

This document describes how to set up master-master replication with MySQL 5 on Fedora 8. Since version 5, MySQL comes with built-in support for master-master replication, solving the problem that can happen with self-generated keys. In former MySQL versions, the problem with master-master replication was that conflicts arose immediately if node A and node B both inserted an auto-incrementing key on the same table. The advantages of master-master replication over the traditional master-slave replication are that you don't have to modify your applications to make write accesses only to the …

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DRBD and MySQL
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Yesterday Phillip Reisner was giving an introduction to DRBD. I won't get into it here, but essentially it's a way to keep blockdevices on two different hosts in sync to get a kind of shared disk. (Go read about it on their site!)

I've used it for a while to get high-availability from two NFS servers and I always recommend it in my scalability talk. It's awesome. (Heartbeat which is the "fail-over" software in the typical configuration isn't so great, more on that another time).

Anyway, being …

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10 Newer Entries Showing entries 31 to 38

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