apache/hadoop
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to apache/hadoop got a first human reply in a median of 2.6 days (170 pull requests, 11 April to 8 October 2026); 42% got none within 14 days. It ranks 1,578 of 3,219 overall. It is not ranked for first-time contributors: not enough evidence to show under this lens.
| Rank | 1,578 of 3,219 |
|---|---|
| Score | 50.66 |
| Tier | C |
| Median first reply | 2.6 days (62.3 hours) |
| 14-day no-reply share | 42% |
| First-timer rank | Not enough evidence to show under this lens. |
| Ecosystem | Java |
| Window | 11 April to 8 October 2026 |
Composite
- Rank
- 1,578 of 3,219
- Score
- 50.66
- Tier
- C
- Coverage
- 74% · Ceiling B
- Quadrant
- Crucible
Coordinates: leverage 57.8 (coverage 73%), friction 51.2 (coverage 80%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 45.2 | 80% |
| Criticality | 42.4 | 47% |
| Governance | 73.3 | 100% |
| Rigor | 73.0 | 100% |
| Accessibility | 21.0 | 50% |
The measured parameters
Responsiveness
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days. | 64.8% | 81.0 | 125 | 11 April to 10 July 2026 | primaryraw/pr_window/apache__hadoop.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 41.7% | 16.6 | 211 | 20 April to 17 October 2026 | primaryraw/pr_window/apache__hadoop.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | Not shown: Collector failure | ||||
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 62.3 hours (2.6 days) | 40.6 | 170 | 11 April to 8 October 2026 | primaryraw/pr_window/apache__hadoop.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 980.1 hours (40.8 days) | 12.8 | 131 | 11 April to 8 October 2026 | primaryraw/pr_window/apache__hadoop.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | Not shown: Third-party data unavailable | ||||
| Monthly DownloadsDownloads from the package registry in a month. | Not shown: Not applicable | ||||
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.424 | 42.4 | — | — | proxy:no_dependents_signalraw/github_meta/apache__hadoop.json |
Governance
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Elephant FactorThe fewest organisations that account for half of the last year's commits. | 5 | 100.0 | 364 | — | primaryraw/commits_365d/apache__hadoop.json |
| Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. | Foundation CLA | 75.0 | — | — | primaryraw/governance/apache__hadoop.json |
| Promotion LadderHow openly a contributor can become a maintainer, from closed to verified. | No written path to becoming a maintainer | 40.0 | — | — | primaryraw/governance/apache__hadoop.json |
Rigor
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| AI Policy PostureWhether the project has a written policy on AI-assisted contributions. | Written AI policy | 95.0 | — | — | primaryraw/governance/apache__hadoop.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 72.5 | 72.5 | — | — | primaryraw/scorecard/apache__hadoop.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 41.3% | 51.7 | 179 | 11 April to 8 October 2026 | primaryraw/pr_window/apache__hadoop.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 70 | 70.0 | 30 | — | primaryraw/actions_runs/apache__hadoop.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | Not shown: Collector failure | ||||
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/apache__hadoop.json |
| Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days. | Not shown: Collector failure | ||||
Persona view
| Persona | Rank | Score | Tier | Status |
|---|---|---|---|---|
| Balanced | 1,578 of 3,219 | 50.66 | C | Rated |
| First-timer | Not enough evidence to show under this lens. | |||
| Career capital | This repository's production-criticality signal is not yet high enough for career-capital ranking. | |||
| Senior systems | 574 of 1,276 | 55.59 | B (capped) | Rated |
| AI-assisted | 1,034 of 3,696 | 56.17 | B | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- d5465446daa7f9e99422da70c9ab3b928a19baf13c6e662d860e25870f48aa8d
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/2c.json, under the key apache/hadoop.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). apache/hadoop. Snapshot 2026-10-17. https://porchlamp.org/projects/apache/hadoop/. CC BY 4.0.
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