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PolarDB:Self-developed Kernel Capabilities

Last Updated:Dec 12, 2024

This topic describes the features that are supported in different versions of PolarDB for PostgreSQL (Compatible with Oracle).

Category

Feature

Minor engine version of PolarDB for PostgreSQL (Compatible with Oracle)

Memory optimization

Resource Manager

V2.0.14.1.0

Persistent Buffer Pool

V2.0.14.2.0

Global Plan Cache

V2.0.14.15.0

Global caches

V2.0.14.11.0

Storage performance

Read-ahead and pre-extension

V2.0.14.1.0

Table size caching

V2.0.14.1.0

Batch writes for statements to create and refresh materialized views

V2.0.14.15.0

Storage costs

Tiered storage of cold data

V2.0.14.13.0

Quick recovery

Online promote

V2.0.14.1.0

WAL log parallel replay

V2.0.14.1.0

Failover Slot

Security and reliability

TDE

V2.0.14.1.1

HTAP

Real-time materialized views

V2.0.14.11.0

Partitioned tables

Global indexes

V2.0.14.4.0

Configure a column in a partitioned table as the primary key

V2.0.14.17.0

Partition table scan operator

V2.0.14.15.0

Optimizer

Correlated subquery pull-up

V2.0.14.11.0

Others

Flashback table

Drop flashback

V2.0.14.15.0