General Discussion

Lots of questions for high scalability / high availability

Carlito

Aug 9, 2007 — 1 min read

Hey,

I do have a website that I would like to scale. Right now we have 10 servers but this does not scale well.

I know how to deal with my apache web servers but have problems with sql servers.

I would like to use the "scale out" system and add servers when we need. We have over 100Gb of data for mysql and we tried to have around 20G per server. It works well except that if a server goes down then 1/5 of the user can't access the website. We could use replication but we would need to at least double sql servers to replicate each server. And maybe in the future it's not gonna be enough we would need maybe 3 slaves per master ... well I don't really like this idea.

I would prefer to have 8 servers that all deal with data from the 5 servers we have right now and then we could add new servers when we need. I looked at NFS but that does not seem to be a good idea for SQL servers ? Can you confirm?

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