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Proposal for memory limiting in the scrape loop #76

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Proposal for memory limiting in the scrape loop #76

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84b4282
proposal: Add memory limiting in the scrape loop
dashpole Mar 10, 2026
f5c4a82
mention increased cardinality from a target
dashpole Mar 11, 2026
caaa29d
adddress comments
dashpole Mar 17, 2026
4ae4e59
address interaction between GOMEMLIMIT and scrape memory limiting
dashpole Mar 30, 2026
39cbd93
expand proposal to include other memory mitigations
dashpole May 7, 2026
d7551cf
Refine memory limiter mitigations and action plan based on review fee…
dashpole Aug 3, 2026
5bd91e5
Adopt post-GC live heap relative to GOMEMLIMIT as single memory press…
dashpole Aug 3, 2026
9ea62bb
Add operator guidance on rule pausing for external alerting pipelines
dashpole Aug 3, 2026
e52a63a
Adopt in-use memory ratio signal and address review feedback
dashpole Aug 4, 2026
5e46d27
Simplify explanation of default memory limit ratios in plain English
dashpole Aug 4, 2026
7fb6b40
Replace pre-calculated ratio metrics with boolean active gauge and ex…
dashpole Aug 4, 2026
7c7390a
Document rejected alternatives for live heap signal and forced manual GC
dashpole Aug 4, 2026
2f6aee7
Document capacity planning with GOGC and expose evaluated limit bytes…
dashpole Aug 4, 2026
78a2a60
Fix markdown formatting with mdox
dashpole Aug 4, 2026
ee28a52
Tone down formal language to be more direct and conversational
dashpole Aug 4, 2026
3dd8ea7
Address review feedback: Align heading level and template conventions
dashpole Aug 24, 2026
94459d4
Address review feedback: Clarify scrape check placement and per-scrap…
dashpole Aug 24, 2026
186b162
Address review feedback: Add controller damping and clarify compactio…
dashpole Aug 24, 2026
f7ea484
Address review feedback: Reconcile global memory limiter with existin…
dashpole Aug 24, 2026
54cbf2c
Address review feedback: Mandate scrape cache preservation and clarif…
dashpole Aug 24, 2026
8b4d6dc
Address review feedback: Specify GC cycle counter comparison for hard…
dashpole Aug 24, 2026
26e3b48
Address review feedback: Clarify Go runtime memory scope versus mmap …
dashpole Aug 24, 2026
12aefdd
Address review feedback: Clarify load-shedding allocation cessation a…
dashpole Aug 24, 2026
348cccf
Address review feedback: Reconcile test plan metric names with debugg…
dashpole Aug 24, 2026
3d4e6b4
Address review feedback: Clarify explicit 503 retry semantics for rem…
dashpole Aug 24, 2026
5e7d5a8
Address review feedback: Add series churn rate heuristic alternative …
dashpole Aug 24, 2026
c43520f
Address review feedback: Clarify dynamic scrape limits alternative
dashpole Aug 26, 2026
91620fa
Address review feedback: Clarify body_size_limit default and sample_l…
dashpole Sep 8, 2026
830a93d
Address review feedback: Prevent sentinel false positives and underfl…
dashpole Sep 8, 2026
78671e6
Address review feedback: Specify hook location in scrapeLoop.scrapeAn…
dashpole Sep 8, 2026
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