We’ve all been there. The 'Global Health' dashboard is a serene sea of green. Every metric is within 'normal' parameters. And yet, the customer support Slack channel is a dumpster fire of complaints about failed payments and 404 errors. This is the great lie of modern observability: the belief that because you are measuring everything, you are understanding anything.
The problem with modern monitoring is that it’s often built from the bottom up. We monitor CPU, memory, disk I/O, and network lat
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