Database archival & cold tier
Archive your database exports ~2× smaller than anything else — and query them without restoring
AT-1 compresses database dumps far below the general compressors and keeps them queryable in place — query the cold copy without restoring the database.
Who it's for: For DBAs and data-platform teams keeping Postgres / MySQL / MariaDB / Mongo exports for analytics, audit, or backup.
26×
MariaDB / MySQL dump
16×
Postgres CSV
28×
Mongo/ES NDJSON
2.0×
vs xz-9
How it fits: Works directly on the standard mysqldump backup file (auto-detected and columnarised losslessly), or on a CSV / NDJSON export. Verified on a real MariaDB 12.3 instance: 26× on the SQL dump and the TSV export, ~2× better than xz-9, with a queryable form at ~20×.
Measured end-to-end on real MariaDB (200k rows of exchange data); see the databases guide.
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