Storage Engine Packages¶

Package Structure¶

``` internal/ ├── storage/ - Core storage engine implementations │ ├── btree/ - B+ Tree backend implementation │ ├── buffer/ - Buffer pool and disk management │ └── lsm/ - Log-Structured Merge Tree backend ├── txn/ - Transaction and ACID support │ ├── isolation/ - Isolation level managers (MVCC, OCC, 2PL) │ ├── lock/ - Lock manager and deadlock detection │ ├── log/ - Write-Ahead Logging (WAL) │ └── undo/ - Undo/rollback operations └── concurrency/ - Concurrency control and cache replacement ```