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# B — the next PostgreSQL apps (2026-09-27)
Targets (`09` §3 decision 42, read from each upstream): paperless-ngx → 18 (upstream compose ships `postgres:18` at
`/var/lib/postgresql`, Django ~5.2.5, psycopg 3); tandoor → 17 (upstream compose ships `postgres:16-alpine`; Django 5.2.16
documents up to 17). calcom and claper were not taken (no seed route in the fixtures); outline, rallly, zipline have none (R-624).
| app | bench (LXC 9401, `apps/<app>/bench/`) | box 9202 (`apps/<app>/box/`) |
|---|---|---|
| paperless-ngx | converted 35.4 s, check equal over 72 tables, seed ✓; memory anon peaks: webserver 40.0 %, postgres 3.8 %; 0 restarts | precondition: Tier 2 copy of 00:30Z; converted 16 → 18 in 10.6 s (72 tables, 812 rows equal); done 64.6 s; seed ✓; pre-conversion copy KEPT |
| tandoor | converted 23.6 s, 100 tables equal, seed ✓; tandoor app anon peak 78.7 % (cgroup 97.8 % = file cache), postgres 5.1 % | converted 16 → 17 in 11.4 s (100 tables, 687 rows equal); done 52.3 s; seed ✓ — this run found R-699 |
Written into the live catalog by `upgrade-test.py --write-ladder` (`46affe0`, `53b84ca`); the engine gate printed ALLOWED for both.
Bench created and destroyed this session (`B1-bench-create.txt`, `B9-bench-destroy.txt`). demo-hp runs paperless-ngx: its
automatic leg converts it on its next night (controller 0.275.0).