Ed Pauley II wrote:
I need to come up with a high availability, high performance MySQL
server setup. I have two database servers half way across the country
from one another being replicated through a VPN. These db servers
serve two very busy web sites with multiple applications accessing the
db. During busy times we are seeing 1200 to 2000 QPS. For good reason
our database servers have high load averages during peek times. I have
been looking at MySQL clustering, but due to the fact that our
database is rather large the in memory only restriction will make it
unfeasible. The other option is load balancing and replication. My
problem with this setup is that there will be too many points of
failure since there can only be one master for each slave. Not to
mention the lag that may be introduced since there would be multiple
servers at each location. It is crucial to the operation of the sites
that all of the servers stay in sync at all times.
Does anyone have any suggestions?
- check out http://www.ultramonkey.org/3/ It's not the perfect solution
to your problem(s), but it might help.
- ian
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