Distributed in memory multi-model (vector, relational, graph, temporal) database management system that uses Datalog for query.
https://fluidb.ru
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26c008fbca | 2 years ago | |
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.idea | 2 years ago | |
cozorocks | 2 years ago | |
rocksdb@ee6ee5ff08 | 2 years ago | |
src | 2 years ago | |
test_data | 2 years ago | |
.gitignore | 2 years ago | |
.gitmodules | 2 years ago | |
Cargo.toml | 2 years ago | |
PLAN.md | 2 years ago | |
README.md | 2 years ago | |
build_rocksdb.sh | 2 years ago |
README.md
Build
First build static lib for RocksDB
cd rocksdb
USE_RTTI=1 DEBUG_LEVEL=0 make static_lib
Edge key layout
- Different src/tgt
- Forward
[true, src_keys, null, tgt_keys]
- Backward
[false, src_keys, null, tgt_keys]
- Forward
- Same src/tgt
- Forward
[null, src_keys, true, tgt_keys]
- Backward
[null, src_keys, false, tgt_keys]
- Forward
Isolation levels
- Read uncommitted: write to the raw DB
- Read committed: use transaction
- Repeatable read: use snapshot
- Serializable: do all reads with
GetForUpdate