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SuperCluster - Best Practices for Aligning Zone CPU Pools to Whole Cores (Doc ID 2116794.1)

Last updated on OCTOBER 17, 2023

Applies to:

Oracle SuperCluster M8 Hardware - Version All Versions and later
Oracle SuperCluster T5-8 Hardware - Version All Versions and later
Solaris Operating System - Version 11.1 to 11.3 [Release 11.0]
Oracle SuperCluster M7 Hardware - Version All Versions and later
Oracle SuperCluster T5-8 Half Rack - Version All Versions and later
Oracle Solaris on SPARC (64-bit)

Purpose

This document describes how to assess current zone CPU pool configurations using the attached script.  It will discuss the pros and cons of aligning CPU pools to core (and socket) boundaries and also touch use cases for sharing CPU pools. Finally, some hints for correcting CPU pools are given, along with links to further documentation.

Scope

This document applies to all Solaris systems using CPU pools for zones.  Focusing on SPARC, it also applies to x86 systems.  While written with SuperCluster deployments in mind, it also applies to generic deployments.

Details

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In this Document
Purpose
Scope
Details
 Background
 Assessing Resource Pools
 Modifying Resource Pools to Align with Core Boundaries
 Example
References

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