1] Understand: the customer expectation and severity. (eg. expected time to complete a txn).
2] Identify: the area to be tuned, it can be memory or SQL or network or OS/hardware)
3] Analyze: the problem area, prepare a solution and think the aftermath effect.
4] Test: the solution if the problem occurs for the first time or go by experience.
5] Implement: the solution and repeat from step2 if needed.
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