Continuent is proud to sponsor Percona Live MySQL Conference: London 2012! Don't miss these five (5) talks by our database replication and clustering stars:
Keynote: Future-Proofing MySQL for the World-Wide Data Revolution, by Robert Hodges Why, What, and How of Data Warehouses for MySQL, by Robert Hodges Multi-master, Multi-site MySQL Databases Made Easy with Continuent Tungsten, by Robert
Read the original article at Crisis Management in the Crosshairs – Sandy
Crisis Management During Sandy
The news this past week has brought endless images of devastation. All metropolitan region, the damage is apparent.
More than once in conversation I’ve commented “That’s similar to what I do.” The response is often one of confusion. So I go on to clarify. Web operations is every bit about disaster recovery and crisis management in the datacenter. If you saw Con Edison down in the trenches you might not know how that power gets to your building, or what all those pipes down there do, but you know when it’s out! You know when something is out of order.
That’s why …
[Read more]Read the original article at Real Disaster Recovery Lessons from Sandy
Also find Sean Hull’s ramblings on twitter @hullsean. Having just spent the last 24 hours in lower manhattan, while Hurricane Sandy rolled through, it’s offered some first hand lessons on disaster recovery. Watching the city and state officials, Con Edison, first responders and hospitals deal with the disaster brings some salient insights. 1. What are [...]
For more articles like these go to Sean Hull's Scalable Startups
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[Read more]High Availability (HA) ensures all important business information is available for your application even when there is no database failure. This includes:
How about when you are upgrading your database schema? What if you need to add memory to a database server or reconfigure/restart MySQL? If your apps want to read data from a MySQL slave, how can you be sure they are not reading stale data
Cross-site databases are the next challenge facing today's MySQL-based businesses. Continuent Tungsten provides multiple options for spreading data across sites, including primary/DR, multi-master, and system-of-record approaches. Learn how Continuent Tungsten enables replication, failover, and routing of transactions between sites.
In this video (recording of our webinar on 10/11/12) we
La haute disponibilité, c’est garantir aux applications un accès permanent aux données, même en cas de panne. Permanent ? Même lorsque vous mettez à jour le schéma de vos bases ? Que vous ajoutez de la RAM sur un serveur ? Que vous reconfigurez ou redémarrez MySQL ?
Comment lire les données depuis un nœud esclave avec une garantie que les données sont à jour, sans changement applicatif ?
Cross-site databases are the next challenge facing today's MySQL-based businesses. Continuent Tungsten provides multiple options for spreading data across sites, including primary/DR, multi-master, and system-of-record approaches. Join us to learn how Continuent Tungsten enables replication, failover, and routing of transactions between sites.
We cover the following topics:
Introduction to
As part of a recent engagement, I described the relative products to manage a MySQL pair (i.e. an Active/Passive MySQL masters configuration). This included the steps to undertake a controlled failover for supporting software maintenance using manual procedures. The upcoming Effective MySQL: Replication Techniques in Depth book details each step and all conditions to review over a dozen pages. While the steps are straightforward and generally well known, scripting this for your environment takes a certain amount of work to ensure your information is correct, and application connectivity loss is kept to a minimum.
In Continuent Tungsten (which I have just been reviewing these past few weeks), I achieved the same result with a single command.
$ echo "switch" | /opt/continuent/tungsten/tungsten-manager/bin/cctrl
In addition to all the …
[Read more]MySQL data rules the cloud, but recent experience shows us that there's no substitute for maintaining copies of data, across availability zones, when it comes to Amazon Web Services (AWS) data resilience.
In this video (recording of our 8/23/12 webcast), we survey technologies for maintaining real-time copies of your data and the pros & cons of each. We conclude with a live demonstration of a
The best (and truly the only) MySQL multi-master, multi-site solution on the market gets even better! Continuent is happy to announce immediate availability of Continuent Tungsten 1.5.New Continuent Tungsten 1.5 allows you to build multi-site, disaster recovery (DR) and multi-master solutions with ease:
Multi-Master Operations - Tungsten can support your multi-master operations today by linking