Logging

Physiological Logging

VanillaDB implements write ahead logging (WAL) under No-Force/Steal buffering policy, and VanillaDB supports value-level log granularity. Meanwhile, VanillaDB implements ARIES recovery algorithm.

Data Model

Relational

Checkpoints

Non-Blocking

VanillaDB supports non-quiescent checkpointing, which means it stops accepting new transactions but still allows current running transactions to continue when checkpointing. The active transactions will be saved in the checkpointing log.