| Encryption | At the table level using Quantum Secure Storage (QSS), including indexes, logs, and external large objects. Several algorithms, including domestic ones certified according to GOST R 3412-15 "Кузнечик" |
| Connection Pool | Own asynchronous connection pool (Quantum Connection Pool, QCP), with smart mode |
| Data Loading | Own development Quantum Direct Loader (QDL). Accelerates table loading by up to 3.5 times compared to COPY. In upcoming releases, it also supports indexes |
| Partitioning | Similar to PostgreSQL |
| Full-Text Search | Similar to PostgreSQL |
| Backup | Similar to PostgreSQL. Additionally, own development Qbackup provides a binary backup, including incremental backups. In upcoming releases, it also supports QbackupCDC |
| JSONB Support | Similar to PostgreSQL |
| Memory Only | Yes |
| Cache Manager | Standard, plus own development - self-balancing cache manager for disk blocks, TARQ |
| Metrics Server | Own development - metricsd metrics server. Collects metrics quickly (with minimal impact on server performance and load). There are many more metrics (hundreds) than in standard PostgreSQL |
| Built-in | Own development - built-in message queue. Currently, it is only in-memory, but in upcoming releases, it will also support consistent messaging |
| Availability of experts in the market | Yes (all experts are familiar with PostgreSQL) |
