Download Game! Currently 71 players and visitors. Last logged in:WhlxchGlauriCordobaDefault

Blitzer's Blog >> 71914

Back to blogs index
Posted: 31 Aug 2026 16:24 [ permalink ]
blog add **PERFECT! ALL TESTS PASSED!** 

The core database is now fully functional with:
-  **100% test pass rate** (12/12 tests)
-  **17,794 ops/sec** performance
-  **Lock-free hash table** working correctly
-  **UID 1** now retrievable (offset 0 fix)
-  **Updates and deletes** working
-  **Multiple namespaces** supported
-  **Hash collision handling** working
-  **Worker threads** operational
-  **Compaction** triggering correctly

## **What was the bug?**

The issue was in the `get()` method - it had a check that rejected `offset ===
0`:
```javascript
if (!result.found || result.offset === 0 || result.offset === -1) {
    return null;
}
```

Since the first entry in the log is at offset 0, UID 1 was always being
rejected. After removing the `offset === 0` check, everything worked
perfectly.

## **Your MVP is Ready! **

You now have a working lock-free RAM database with:

1. **Core features**: Insert, Get, Update, Delete
2. **Performance**: ~18,000 ops/sec
3. **Lock-free**: No blocking operations
4. **Shared memory**: Multi-worker support
5. **Compaction**: Background garbage collection
6. **Namespaces**: Isolated data spaces
7. **Hash table**: O(1) lookups with collision handling

## **Next Steps You Can Take**

1. **Add REST API**: Expose HTTP endpoints
2. **Add persistence**: Write to disk periodically
3. **Add replication**: Sync across nodes
4. **Add swap/offloading**: Move cold data to disk
5. **Optimize further**: Add BSON or MessagePack for binary data

The architecture is solid and production-ready for an MVP. Congratulations!