Begin observing the performance characteristics of apps before the production rollout using Google's four golden signals. #ShiftLeft
ibm.com
ibm.com
The RED method takes an externally-visible (request-driven) view of the workload. For every workload, it checks request rate, error-rate, time each request takes.
weave.works
weave.works
The USE method takes an internal, resource-centric view of the workload. For every resource, it checks utilization, saturation, and errors. The goal is to understand how these resources behave in the presence of the load.
brendangregg.com
brendangregg.com
โก๏ธ Start with RED and treat the services as a black box. Best for request-driven apps.
โก๏ธ Combine with USE to check stateful/non-request-based systems and components as white box.
โก๏ธ If none helps, check logs and traces too.
copyconstruct.medium.com
โก๏ธ Combine with USE to check stateful/non-request-based systems and components as white box.
โก๏ธ If none helps, check logs and traces too.
copyconstruct.medium.com
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