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Lunch Bytes: P50, P90 and P99

A common SRE practice is to monitor the latency...

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Black and White Box

Black Box Monitoring – Monitoring the behaviour of a...

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The Four Golden Signals

As SREs we recommend four types of metric monitoring...

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Functional Units vs Black Box

Time for some ASCII art.  Here’s a typical system...

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Error Budget

What level of reliability do you need from an...

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Goodbye SLA – Hello SLO and SLI

The performance of a service is monitored against a...

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