Field notesWhat fits on a 4 GB server?
A measured snapshot of one shared VPS, what available memory can tell you, and how to budget the next service without confusing limits with usage.
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Notes from a smaller stack.
Useful observations, repeatable experiments, and methods worth keeping.
Field notes
Local experimentMake a SQLite backup you can actually check.
A reproducible Python backup and restore demonstration with a synthetic WAL database, integrity checking, row counts and a content digest.
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Practical guideThe checklist before “run it every hour.”
A practical checklist for small scheduled jobs: explicit success, bounded work, overlap control, safe retries and a useful record of each run.
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