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poi-index: drop specific host disk figure from README (drifts; check df at runtime)

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Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Ullrich Schäfer 2026-07-12 23:18:34 +02:00
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6
infrastructure/brouter-host/poi-extract/README.md
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@ -78,9 +78,9 @@ poi-extract.service` then `journalctl --user -u poi-extract.service -f`.
this — e.g. `europe-latest.osm.pbf` (~30 GB) or `germany-latest.osm.pbf`
(~4 GB) for a smaller instance.
- **Disk**: the planet PBF + filtered PBF live transiently in `./work` and are
removed on exit (even on failure) via a trap. Peak transient usage ≈ size of
the PBF. The `trails` user's `/home` has ~595 GB free (as of 2026-07) — ample
for an ~80 GB planet run. The published artifact is a few hundred MB gzipped.
removed on exit (even on failure) via a trap, so peak usage ≈ the PBF size
(tens of GB for planet). The published artifact is a few hundred MB gzipped.
Check the host has room for one PBF before a planet run (`df -h ~`).
- **CPU/time**: a full planet filter is IO-bound and can take a few hours; the
unit runs at `Nice=10` / idle IO priority so it doesn't disturb BRouter.