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Unser Kollege Ralf Gebhardt ist dieses Jahr mit einem Vortrag zum Thema ‘Hochverfügbarkeitslösungen für die MySQL Datenbank’ auf der DOAG Konferenz zu hören und zu sehen. Weitere Interessante Themen sind z.B. ein Vortrag von Coderships Seppo Jaakola zu ‘Galera Cluster - synchronous multi-master replication for MySQL’.
Wir freuen uns auf Ihren Besuch beim MySQL-Stream der DOAG 2012 Konferenz!
As with all new open source software products, updates are a continuous process and we’ve been busy since the launch of the SkySQL™ Cloud Data Suitelast September! Here is a snapshot of the latest developments with our Cloud Data Suite, a collection of software components that provides a highly available database solution in a cloud environment, based on MySQL & MariaDB, deployable in the Amazon Cloud, i.e. AWS.
MySQL HA reloaded – old tricks and cool new tools to guarantee high availability to your MySQL Servers by Ivan Zoratti of SkySQL. This talk is a little longer, so check out: HA Reloaded – many ways to provide High Availability. The slides are already online.
Questions to ask: which level of high availability do I need? Do I require no loss of data? Do I need failover or is switchover enough? Can I provide a reasonable service when a component is down? Remember, five nine’s high availability also means a lot of infrastructure costs.
Other things to clarify: availability vs scalability. HA costs. HA for your entire architecture, not just for your database servers. Review your SLAs.[Read more...]
High Availability is one of the hottest topics for MySQL DBAs. As a matter of fact, when we (SkySQL) are called by users and customers, the top two questions for our PS team are:
Since MySQL is the most used online database, these two questions are totally appropriate. Although the two concepts walk together, they should not be confused.
We refer to scalability when we define that a system must sustain a specific workload, measured in different ways – response time, latency, transactions or operations per second to name few, or a combination of them. So, we define the level of scalability we want to achieve and we design a system that can scale to that level.
We refer to high availability when we define[Read more...]
So about 4 monts ago there was the crazy idea to start a new FOSS event in Belgium targeted at sysadmins.
What started out as an event for local people to meet local people with some local speakers actually ended up being a small local event with some top international speakers on onfiguration mananagement and system administration mixed with a bunch of good local ones !
I had the honour to open the conference with an extremely short version of the Devops talk I gave earlier last year.. extremely short as I knew that over the course of the weekend the topic would reoccur a lot.
We had the first european talk on Chef, by Joshua Timberman, and we had Puppet talks amongst by Dan Bode from Puppetlabs and CFengine talks , devops was a frequently dropped word,[Read more...]
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