Amazon EC2 hosting,

[Tom Rosenfeld]

Some more updates.

As some have pointed out there are different kinds of instances. The
cheapest $.02 micro is  a special case and does give variable performance as
is documented . In our installations we are using much larger instances and
their performance has always been steady and this is in fact guarenteed by
their SLA.

In terms of disk IO, amazon definitely has issues. There it is variable and
depends on the load from other users. We mostly get around this by stripping
all our DB over 8 virtual disks. Amazon has a private Beta where they are
working to address this issue.

-tom
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