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docs: guidance for partial exporter scrape failures#2994

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leno23 wants to merge 1 commit into
prometheus:mainfrom
leno23:docs/partial-scrape-failures-2977
Open

docs: guidance for partial exporter scrape failures#2994
leno23 wants to merge 1 commit into
prometheus:mainfrom
leno23:docs/partial-scrape-failures-2977

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@leno23 leno23 commented May 17, 2026

Summary

  • Expand Failed scrapes with a Partial collection failures subsection
  • Document when to use HTTP 5xx vs partial metrics, per-collector *_up gauges, and anti-patterns

Fixes #2977

Test plan

  • Markdown-only change; reviewed for clarity and consistency with existing guidance

Made with Cursor

Expand the failed-scrapes section with per-collector health gauges,
when to return 5xx vs partial metrics, and what to avoid.

Fixes prometheus#2977

Co-authored-by: Cursor <cursoragent@cursor.com>
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document what exporters should do if it only fails partially to collect metrics

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