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crossdb-org/crossdb: Ultra High-performance Lightweight Embedded and Server OLTP RDBMS✨
Ultra High-performance Lightweight Embedded and Server OLTP RDBMS✨
Name CrossDB Description Ultra High-performance Lightweight Embedded and Server OLTP RDBMS✨ Primary database model Relational DBMS Secondary database models Document store(JSON)
Key-value store(TBD) Website crossdb.org Technical documentation crossdb.org/intro Initial release 2023 License Open Source, MPL Cloud-based only no Implementation language C Server operating systems Server-Less Mode
Embedded Server Mode
Standalone Server Mode
Linux/MacOS/Windows/FreeBSD
32-bit or 64-bit X86, ARM, PowerPC, MIPS, etc Data scheme yes Typing yes
BOOL
TINYINT, SMALLINT, INT, BIGINT
UNSIGNED TINYINT, SMALLINT, INT, BIGINT
TIMESTAMP
FLOAT, DOUBLE
CHAR, VARCHAR
BINARY, VARBINARY
INET(IPv4/IPv6 host and subnet), MAC address
JSON XML support no Secondary indexes yes
HASH, RBTREE(TBD) SQL yes, many extensions from MySQL APIs and other access methods Proprietary native APIs
Multi-statement APIs
Prepared statement APIs Supported programming languages C, C++, Python, GO, Rust
More bindings(TBD) Server-side scripts LUA(TBD) Triggers yes, native languages Partitioning methods none Replication methods Source-replica replication
Multi-source replication
Logical Replication(TBD) Data Subscription yes(TBD) MapReduce no Consistency concepts Immediate Consistency Foreign keys yes(TBD) TTL yes Transaction concepts ACID Concurrency yes
Table-level read-write locks
Row-level read-write locks(TBD)
Reader-Writer MVCC (write transaction doesn't block read transactions)
PostgreSQL-like MVCC(TBD) Durability yes, WAL In-memory capabilities yes User concepts yes(TBD) Storage Model Row-oriented On-Disk, In-Memory, RamDisk
Hybrid Storage (on a table-by-table basis, tables can be designated for in-memory or on-disk storage) Admin Embedded shell
xdb-cli tool
telnet
WEB GUI(TBD)
git clone https://github.com/crossdb-org/crossdb.git
cd crossdb
make build
sudo make install
You need to install MINGW64 to build. Then set the gcc path to system environment variables Path and make sure gcc can run.
cd build
cmake ..
make
sudo make install
Windows
You need to install MINGW64 CMAKE and make to build.
cd build
cmake -G "MinGW Makefiles" -DCMAKE_C_COMPILER=gcc ..
make
This project is still in its early stages and currently lacks stability. We welcome the following contributions:
- Language bindings:
Python, Java, Go, CSharp, JavaScript, PHP, etc.
- Bug Reporting: Identify and report any issues or bugs you encounter.
- Testing: Participate in testing to ensure the reliability and stability of the project.
Your contributions will be greatly appreciated and will help us make this project more robust and reliable.
1,000,000 Rows Random Access Benchmark vs. SQLite
https://crossdb.org/blog/benchmark/crossdb-vs-sqlite3/
1,000,000 Rows Random Access Benchmark vs. C++ STL Map and HashMap
https://crossdb.org/blog/benchmark/crossdb-vs-stlmap/
https://crossdb.org/sql/statements/
https://crossdb.org/client/api-c/
https://crossdb.org/get-started/tutorial/
https://crossdb.org/develop/server/
https://crossdb.org/develop/replication/
https://crossdb.org/sql/json/
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