cockroachdb / cockroachdb/cockroach

util/schedulerlatency: max latency capped at 100ms

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#127,669 2 comments 0 reactions 0 assignees View on GitHub
A-admission-control A-cluster-observability branch-master C-bug T-admission-control
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Description

![Screenshot 2024-02-14 at 4 27 04 PM](https://github.com/user-attachments/assets/22216148-aa38-473f-8297-440d62fced73)

https://github.com/cockroachdb/cockroach/blob/c14a15de5abc08dda6a321994a60c2388d090a9d/pkg/util/schedulerlatency/sampler.go#L95

The max histogram bucket in the goroutine scheduler latency is ~100ms. This has led to confusion a few times.

https://cockroachlabs.slack.com/archives/C063CP41TG9/p1707946050906159

Jira issue: CRDB-40543

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