Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [vcpu]

79 questions
0
votes
1 answer

Google Cloud Configuration CPUs

I need to configure a machine on Google Cloud Platform (Brazil/Sao Paulo) to run a biometric service and my software provider requested a machine with the following specification: "2 x Intel® Xeon® Gold 6138 Processor 20-core CPU, 128 GB…
Rafael
  • 3
  • 1
0
votes
1 answer

libvirt hot unplug cpu

I'm currently working with libvirt. after i reduce the number of vcpu cores with below command, the operation will be completed successfully. i should also mention that my current and max vcpus is 4, before this command. virsh setvcpus…
nima
  • 3
  • 2
0
votes
1 answer

aws ec2 t2.small vs t2.medium CPU performance

Since t2.medium has 2 VCPU and t2.small has 1 VCPU would it be faster as a web server? (Apache/php). I am wondering if I upgrade if I will gain any performance benefits.
Chris Muench
  • 487
  • 3
  • 10
  • 31
0
votes
1 answer

Maximum number of virtual CPU for Windows 7/10 virtual machine

For a virtual machine running Windows 7/10, is there a maximum number of virtual CPU a hypervisor can assign to it? As hypervisor, consider VMware ESXi 5.5 or 6.0. Andrea
A M
  • 157
  • 3
  • 10
0
votes
2 answers

Microsoft Azure threads per core

I am looking at the Pricing guide for Microsoft Azure. https://azure.microsoft.com/en-us/pricing/details/virtual-machines/windows/ How many threads are working in the "F16" "Compute Optimized" service they offer? It says 16 cores. But is it one…
posfan12
  • 105
  • 1
  • 5
0
votes
1 answer

VMWare Physical CPU to vCPU

We have VMWare hosts with 2 cpus each (that are hyperthreading). We freed up some licensing (2 core licenses) for SQL server and want to upgrade from 4 to 6 cores. From my understanding, for SQL Server, you want even number of cores per socket. This…
Wes
  • 111
  • 1
  • 8
0
votes
1 answer

Decreasing CPU allocation to running Guest Windows server

I have Ubuntu 16.04 as host and windows server 2012 as the guest installed using Virtio drivers in KVM. I am able to increase the CPU while guest is running, however I am not able to decrease the CPU's. The maximum CPU assigned to guest are 20. I…
raks
  • 103
  • 2
0
votes
0 answers

CPU & Memory Reservation in vSphere & Numa concept

by googling/studying vSphere documentation I have found the possibility to use "Reservation" concept in vSphere. What it is not clear to me is : CPU and Memory reservations are configured separately and work differently. With memory reservations,…
Prisco
  • 101
0
votes
1 answer

Does turning off vCPU in Ubuntu 14.04 impact vmware's cpu scheduler?

I have a Ubuntu VMWare VM that was given 6 CPUs, but rarely sees a load above 1. It is running in a vSphere 5.5 cluster. Nowing that VMWare's CPU scheduler has to clear 6 CPUs for processing this VM, I want to reduce the CPU count and improve…
flickerfly
  • 2,753
  • 3
  • 25
  • 27
0
votes
1 answer

Xen reduce VCPU

I am trying to reduce the number of VCPU on Dom0, but not understanding why its not reducing the number. Log: [2016-02-11 13:43:25 2550] INFO (XendDomainInfo:1977) Set VCPU count on domain Domain-0 to 5 Commands: root@user:/home/user# xm list Name …
user3580316
  • 51
  • 6
0
votes
0 answers

XenServer 6.2 VM Performance (SSD, RAID-10, Quad-core)

Greetings everyone :) My configuration is the following: HP C3000 tower enclosure 1st HP Proliant BL460 G1 quad core xeon 2.66GHz 12MB L2 cache, 24GB RAM, BIOS I15 5/2/2011 partnered with HP SB40C Storage Server equipped with P400 Smart Array…
3a2roub
  • 294
  • 4
  • 15
0
votes
0 answers

VPS Server shoots to 900% CPU Utilisation for 10 to 15 minutes

I've just taken a VPS Server with Assured 1 core AMD opetron and burstable to 8 cores. RAM is 5 GB Average Usage so far been around 1 Cpu, but at a point of time - when checked through monitoring - site was slow, Sent mail to server admin - they…
Ruchika
  • 101
  • 1
0
votes
2 answers

CPU core utilization is automatic?

I have a 512MB KVM Debian OS VPS running several game servers and several sql enabled websites. Currently I have 1 vCPU core and it stays around 15% usage. If I were to get an extra vCPU core will the VPS know to utilize both cores automatically or…
penu
  • 169
  • 2
  • 7
0
votes
3 answers

Notification for high vCPU Usage

At the moment I'm using a third party tool (vmturbo) which allows me to monitor the vCPU usage on my VMs. I've been wondering however if there's any method built inside of VMware or through powerCLI which would allow myself to be notified if there…
Valrok
  • 330
  • 3
  • 11
0
votes
1 answer

VMware ESXi/vSphere Fault Tolerance vCPU Limit

So I am aware that VMs in FT mode are limited to a single vCPU. Is it possible to assign multiple cores to the single vCPU, and still have the VM support FT mode? Or are you forced to use both a vCPU and single vCore per FT VM?
Matt
  • 276
  • 2
  • 13
1 2 3
4
5 6