Capacity Planning
Capacity planning connects demand, service targets, and failure tolerance. Test usable capacity and spare headroom before turning a forecast into clusters.
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Graceful Degradation
Exercise degraded modes and their transitions under representative conditions. Consider bounded production rehearsals for uncertainty that other tests cannot address.
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Request Criticality
Without it, the decision about what to drop is made during the incident by whichever component hits its threshold first.
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Capacity Planning and Handling Overload
Requests per second cannot tell you how full you are. And no amount of capacity planning removes the need to decide what gets dropped first.