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PolarDB:Performance of PolarDB for MySQL 5.6 (Cluster Edition)

Last Updated:Mar 30, 2026

This page presents online transaction processing (OLTP) benchmark results for PolarDB for MySQL 5.6 Cluster Edition, covering both dedicated and general-purpose compute node types across read-only, write-only, and read/write workloads.

For test methodology and tool setup, see OLTP performance test tools and methods.

Dedicated compute node type

Primary node and a single read-only node

Read-only performance across specifications

Read-only performance

Write-only performance across specifications

Write-only performance

Read and write performance across specifications

Read and write performance

Primary node and multiple read-only nodes

Read-only performance

Read-only performance
The chart above shows read-only queries per second (QPS) measured through cluster endpoints, using a 4-core, 16 GB cluster. The range_selects parameter is not set, so SysBench queries all generated data by default.

General-purpose compute node type

Primary node and a single read-only node

Read-only performance across specifications

Read-only performance

Write-only performance across specifications

Write-only performance

Read and write performance across specifications

Read and write performance