Concepts of MOT

This chapter describes how openGauss MOT is designed and how it works. It also sheds light on its advanced features and capabilities and how to use them. This chapter serves to educate the reader about various technical details of how MOT operates, details of important MOT features and innovative differentiators. The content of this chapter may be useful for decision-making regarding MOT's suitability to specific application requirements and for using and managing it most efficiently.

• MOT Scale-up Architecture

• MOT Concurrency Control Mechanism

• Extended FDW and Other openGauss Features

• NUMA Awareness Allocation and Affinity

• MOT Indexes

• MOT Durability Concepts

• MOT Recovery Concepts

• MOT Query Native Compilation (JIT)

• Comparison – Disk vs. MOT