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On the recordRead 8 Oct 202612 facts
WiredTiger
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WiredTiger
Free
Open source under GNU GPL version 2 or version 3; contact MongoDB for other licensing terms or technical support
Read 8 Oct 2026 · source.wiredtiger.com
On the record
- Capacity
- The overview states support for petabyte tables, records up to 4 GB, and 64-bit record numbers.source.wiredtiger.com · read 8 Oct 2026
- Compression
- Block compression can be selected per table, and the documentation says it typically reduces information written to disk by 30–80%.source.wiredtiger.com · read 8 Oct 2026
- Concurrency
- Its optimistic concurrency control avoids a centralized lock manager, and transactional operations in one thread do not block operations in other threads.source.wiredtiger.com · read 8 Oct 2026
- Data integrity
- The engine includes end-to-end checksums, data verification, and salvage support, and its no-overwrite design protects against operating-system and hardware-level torn writes.source.wiredtiger.com · read 8 Oct 2026
- Maker
- WiredTiger is developed and maintained by MongoDB, Inc., where it is the principal database storage engine.source.wiredtiger.com · read 8 Oct 2026
- Portability
- The reference guide says WiredTiger should generally be portable to 64-bit systems supporting ANSI C11 and POSIX 1003.1, and links to build instructions for Linux, BSD, OS X, and Windows.source.wiredtiger.com · read 8 Oct 2026
- Purpose
- WiredTiger is a high-performance, scalable, transactional, open-source NoSQL data engine for data management.source.wiredtiger.com · read 8 Oct 2026
- Schema
- It can be used as a key/value store and includes a schema layer with indexes and projections.source.wiredtiger.com · read 8 Oct 2026
- Storage formats
- It supports row-oriented and column-oriented storage, as well as log-structured merge trees.source.wiredtiger.com · read 8 Oct 2026
- Support
- The project directs users to its user group and [email protected], and says to contact MongoDB for technical support.source.wiredtiger.com · read 8 Oct 2026
- Tiered storage
- Tiered storage is documented as experimental and not developed, tested, or tuned for production scenarios.source.wiredtiger.com · read 8 Oct 2026
- Transactions
- It provides ACID transactions with standard isolation levels and checkpoint-level or commit-level durability.source.wiredtiger.com · read 8 Oct 2026
