Blog
Technical notes
What we learned running backups of archives with millions of files — costs, pitfalls and what to test before you need it.
· 5 min read
Backup and sync are not the same thing, and the difference shows up on your worst day
If your only backup is a folder that syncs, a file deleted by mistake disappears from both sides in seconds.
· 5 min read
Who can open your backup
Every backup service answers this question. Most answer it buried in the terms of service. Ours is right here.
· 6 min read
We backed up 510,000 files and the database did not grow by a single row
A scale test with numbers, method and stated limits — including what would not work in your case.
· 5 min read
Why backing up millions of small files costs so much
The cost does not come from the space used. It comes from the number of operations — and the maths is easy to do before you spend anything.
· 5 min read
"Deep Archive in practice: what nobody tells you about restoring"
The cheapest AWS tier has rules that only show up on the day you need your data back. Worth knowing them first.
· 5 min read
"Immutable backup with Object Lock: what actually protects you"
Immutability only counts if an attacker who controls the account cannot undo it. The difference lives in configuration details.