pingcap / pingcap/tiflash

refine LAC metrics of compute_ru_consumption and storage_ru_consumption

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#10,363 0 comments 0 reactions 1 assignee View on GitHub

@guo-shaoge is already working on this.

Since Aug 25, 2025.

type/enhancement
Dominant language
C++
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1d 15h
Merged PRs (30d)
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Description

Enhancement

storage_ru_consumption and compute_ru_consumption are both Gauge, and they are updated in a very high frequent, which makes abnormal metric value cannot be captured, because prometheus server pull metrics every 15 seconds.

It's better to use counter, and use rate in grafana expression, so we can see abnormal metric value easily.

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