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MySQL HA reloaded by Ivan Zoratti
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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.

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