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liquidslr/system-design-notes

Establishedrank #86

Notes of the book System Desgin Interview - An Insider's Guide

24.4k+2.3k · 7d 4.6k 165est. NOASSERTIONUnknownpushed 2mo ago
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Composite

50

conf 65%

Momentum

54

conf 60%

Vitality (PVI)

48

conf 67%

Community

62

conf 60%

Security & maint.

27

conf 85%

Ecosystem influence

60

conf 60%

Opportunity

50

conf 60%

Breakout · 7d

36%

conf 71%

Executive summary

system-design-notes is currently classified as established with a composite score of 50/100. Momentum (54) and vitality (48) diverge — attention is running ahead of maintenance depth. Estimated 7-day gain of 2,308 stars against a 24.4k-star base. Risk is assessed as high; the interpretable model puts its probability of entering the top trend cohort within 7 days at 36%.

90-day trajectory

+7.6k · 30d
2026-07-112026-10-08

Score breakdown

Every input, weight and normalized value — nothing hidden. Inputs marked est. are estimated until the full ingestion pipeline lands.

Momentum

Star velocityest.25%71
Star accelerationest.15%45
Fork velocityest.10%58
Contributor growthest.10%77
Issue activity growthest.10%31
PR activity growthest.10%62
External mention velocityest.10%13
Release event impactest.5%26
Trending-rank persistenceest.5%83

Model tn-interpretable-1.0.0 · confidence 60% · coverage 100%

Project Vitality Index

Commit consistency20%0
Release cadenceest.15%24
PR responsivenessest.15%61
Issue responsivenessest.15%79
Contributor diversityest.10%82
Maintainer continuityest.10%70
Documentation qualityest.5%62
Dependency freshnessest.5%47
Security hygieneest.5%48

Model tn-interpretable-1.0.0 · confidence 67% · coverage 92% · missing: licenseClarity

Security & maintenance

Release recency25%0
License clarity20%30
Maintenance status25%0
Dependency stalenessest.15%57
Bus factorest.15%80

Model tn-interpretable-1.0.0 · confidence 85% · coverage 100%

Ecosystem influence

Dependent repositoriesest.30%89
Quality-weighted dependentsest.20%78
Documentation citationsest.15%47
Contributor overlapest.15%36
Registry adoptionest.10%22
Topic centralityest.10%24

Model tn-interpretable-1.0.0 · confidence 60% · coverage 92% · missing: packageRegistryAdoption