修改數據庫服務器主板BIOS參數

System Configuration ---> RBSU ---> Advanced Option ---> Advanced Performance Tuning Options ---> Node Interleaving
默認disable改為enable
關閉CPU分組后，MySQL可以調用所有CPU資源。

HP官方說明.

Enabling or disabling node interleaving
From the System Utilities screen, select System Configuration → BIOS/Platform Configuration (RBSU) → Performance Options → Advanced Performance Tuning Options → Node Interleaving and press Enter.

Select a setting and press Enter.

Enabled—Memory addresses are interleaved across the memory installed for each processor. All nodes must be of equal memory size. System performance might be impacted.

Disabled (default)—Disables node interleaving, providing optimum performance in most environments.