Concurrency Control

Multi-version Concurrency Control (MVCC)

Husky uses multi-version concurrency control for queries by making a temporary copy of the metadata for a table at the time when a query starts.

Data Model

Document / XML

Indexes

Inverted Index (Full Text)

Husky supports an optional full-text search index where administrators define which columns to index manually for each table.

Isolation Levels

Snapshot Isolation

Husky supports snapshot isolation by leveraging FoundationDB's existing snapshot isolation and making a temporary copy of table metadata when a query starts.

Query Execution

Vectorized Model

Query Interface

Custom API

Storage Model

Decomposition Storage Model (Columnar)

System Architecture

Shared-Disk