Skip to content

test(spec): tombstoned-row-status floor at two thirds of the measured population (48 → 32) #26575

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
objectstack-fleet merged 1 commit into from
Oct 27, 2026
+6 −3
Merged

test(spec): tombstoned-row-status floor at two thirds of the measured population (48 → 32) #26575

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 6 additions & 3 deletions packages/spec/scripts/liveness/tombstoned-row-status.test.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -86,8 +86,11 @@ const SPEC_ONLY_SCHEMAS: Record<string, unknown> = {
/** The prefix `retiredKey()` writes onto a tombstone's description. */
const TOMBSTONE_MARKER = '[REMOVED]';

/** The population measured on the commit that pinned this — the non-vacuity floor. */
const TOMBSTONE_FLOOR = 40;
/**
* The non-vacuity floor: about two thirds of the measured population, so retiring
* a tombstoned key (ADR-0087's normal end of a window) does not red it (#26541).
*/
const TOMBSTONE_FLOOR = 32; // measured 48 on 2026-10-27 (pinned at 40); floor = floor(48 × 2/3)

function defOf(s: any): any {
return s && (s._zod?.def ?? s._def);
Expand Down Expand Up @@ -172,7 +175,7 @@ describe('shipped ledgers — a tombstoned key is `dead`', () => {
const offenders = tombstones.filter((t) => t.status !== 'dead').map((t) => `${t.coord} → status=${t.status}`);
expect(offenders).toEqual([]);
// Non-vacuity: a walker that stopped resolving shapes would satisfy the
// line above by asking nothing at all. 40 was the measured population.
// line above by asking nothing at all. The floor sits ~1/3 under the census.
expect(tombstones.length).toBeGreaterThanOrEqual(TOMBSTONE_FLOOR);
});

Expand Down
Loading