Tag : cores

Missing CPU Cores From 2nd Socket

Posted June 16, 2016 by De Vito, & filed under CentOS Comments: 0

Tags: cores, sockets

Has anyone else noticed an issue when running CentOS 7.2.1511 on ESXi 6.0, where only the first sockets worth of cores appear to be presented to the kernel?For example, Ive set up a VM on an ESXi 6 node with 2 sockets, each of which has 2 cores attach..

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Why is irqbalance not balancing?

Posted March 28, 2015 by Steve Snyder & filed under CentOS Comments: 2

Tags: cores, hyperthreading

I am running irqbalance with default configuration on an Atom 330 machine.This CPU has 2 physical cores + 2 SMT (aka Hyperthreading) cores.As shown below the interrupt for the eth0 device is always on CPUs 0 and 1, with CPUs 2 and 3 left idle.But why?Ma..

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