To refine a search for a metric a customer types host:test-*. What does this filter return?

A customer operates a caching web proxy. They want to calculate the cache hit rate for their service. What is the BEST way to achieve this?

Which of the following are correct ports for the specified components in the OpenTelemetry Collector?

When writing a detector with a large number of MTS, such as memory.free in a deployment with 30,000 hosts, it is possible to exceed the cap of MTS that can be contained in a single plot. Which of the choices below would MOST likely reduce the number of MTS below the plot cap?

An SRE creates a new detector to receive an alert when server latency is higher than 260 milliseconds. Latency below 260 milliseconds is healthy for their service. The SRE creates a New Detector with a Custom Metrics Alert Rule for latency and sets a Static Threshold alert condition at 260 ms. How can the number of alerts be reduced?