One way to practice is to DDOS your server until you figure out how to withstand it, then steadily increase the load. In fact, several services help you do this and provide some nice statistics too.
When your business/community/etc is 10x the size it is today, it's unlikely that usage patterns and use cases will be the same. Rather, they are likely to shift as you grow.
Simply firing 10x today's load at the system is one way to find out today's bottlenecks, but may be ineffective at finding tomorrow's bottlenecks. That doesn't mean it's not worth doing, but it needs to be done with care.
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One way to practice is to DDOS your server until you figure out how to withstand it, then steadily increase the load. In fact, several services help you do this and provide some nice statistics too.
Be careful with load testing.
When your business/community/etc is 10x the size it is today, it's unlikely that usage patterns and use cases will be the same. Rather, they are likely to shift as you grow.
Simply firing 10x today's load at the system is one way to find out today's bottlenecks, but may be ineffective at finding tomorrow's bottlenecks. That doesn't mean it's not worth doing, but it needs to be done with care.