Questions tagged [affinity]
The affinity tag has no usage guidance.
31
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Any way to make program run only on a performance core (P-core)?
I need to run a compiler, and people have previously found that it runs well on a single core.
Now that Intel's 12th generation consumer chips have separate P-cores and E-cores, can I somehow tell the ...
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2
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369
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How to have node affinity in openstack?
For Example, I have 3 Compute servers and I want to have 1 Specific Instance on each of them and I want to have Node Affinity on them.
instance_1 --> compute_node_1 (Always on this node)
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- 163
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Pod stuck in pending state due to pod affinity/anti-affinity
I have a problem, one of the replicas is stuck in a Pending state.
Problem: After another deployment one of the new replicas stacked and I have an empty node which satisfy all necessary requronmetns.
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2
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1
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Set CPU affinity for specific VM on vmware ESXI using govc CLI
I have shell scripts that I use to programmatically configure my Virtual Machines (VMs) on my vmware ESXi host. I use the "govc" command-line-interface (CLI) which provides a suite of ...
- 131
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How to bind static affinity for *all* Linux processes at startup?
I have one single-threaded process on server that I'd like to statically bind to one CPU core and give it all available computing power all the time (it's real-time process that is heavily affected by ...
- 363
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How to properly configure ESX VMs to use hyper threading in a usefull way?
I've a kind of specific question that I was unable to find an answer for in the official documentation of VMware or on some other very useful threads here on this platform, so here it is:
I've got a ...
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468
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Anti-Affinity Rules not Enabling in vCenter 6.0
Can anyone please help. I am building a new vCenter with 3 hosts, all running VMWare ESXi 6.0.
I currently have about 16-18 VMs created.
I have been able to create a number of Affinity and Anti-...
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Cannot balance eth0 IRQs across CPUs
I have servers which deal with a large number of network packets. I've seen evidence that user space processes running on CPU0 have their performance impacted when network load is high. I'm fairly ...
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730
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CPU Affinity for Linux VM
I have a Ubuntu Linux VM running on VMWare, and I have changed the CPU affinity for multiple processes using the taskset command. The VM has 16 cores allocated to it, and so does the actual server ...
- 11
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440
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Azure App Service Errors after VIP Swap - Affinity Bug?
OK, this is a really weird one and I'm not even sure how to properly describe it. We had a customer complain that a specific page on our website wasn't working, and one of our internal technicians ...
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801
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FreeBSD IRQ Affinity using cpuset. No mather use hexa or dicimal for -l #IRQ parameter?
I just put my FreeBSD 10.2-STABLE router in production running with Quagga 0.99.24.1, compiled throught Ports. After pass all traffic to this machine the load of S.O. been very hight and everything ...
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Set CPU affinity for all processes of specific user with taskset
I have ubuntu server 14.04, and I'm wondering if there is any easy way to achieve this task.
For example, I can already do this for single processes with taskset -pac 2 29435, but is there any way to ...
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2
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Run PowerShell script with Service Start
I'd like to set the Affinity and Priority of a service process when it is started (without modifying the service/process code, I don't own the code, it's a 3rd party service).
I know I can do:
$...
- 141
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Setting affinity for network interrupts in Windows Server 2012 R2
We have an application that sends and receives a lot of network traffic - but interrupts are causing us to get lower than max performance. At 20 Mbps input and 20 Mbps output (on a 1 Gbps line), the ...
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Application Performance & Interrupt Affinity
Quoting the RedHat Performance Tuning Guide
3.3.7. Setting interrupt affinity
Interrupt requests have an associated affinity property, smp_affinity,
that defines the processors that will ...
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VMware CPU Hyper Threading Scheduling Affinity
I have looked everyware and read a bunch of documentation on this but haven't found a direct answer so here it goes:
There is a setting in the "Resources" Tab in vCenter that lets you configure Hyper-...
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IO does not share in multiple CPU
In my linux server IO doesnot share in multiple CPU. as below output ata_piix intrupts share in only cpu0
[root@manage ~]# uname -a
Linux manage 3.14.24-1smp #12 SMP Tue Mar 17 15:33:27 IST 2015 ...
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Is it possible to set the processor affinity of a service, and persist this affinity across reboots?
Is there a setting that can be changed (or a reg key that can be added) to set the processor affinity of a service? I would want to set the affinity, and keep this setting across reboots (so manually ...
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2k
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CPU Affinity setting not sticking
I'm attempting to set the affinity of mysql (latest Percona Server) on a 4vCpu VPS virtualized with OpenVZ and running CentOS 6.x.
The command I'm running is taskset -pc 0-1 1026. I've also tried 0,1 ...
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What does cpu-pinning mean in context of KVM hypervisor with multiple virtual machines
I am looking at configuring a KVM hypervisor to have some virtual machines.
THe KVM hypervisor has 8 physical cores (16 with HyperThreading). I want to create 8 virtual machines on it but I am not ...
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689
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Linux interrupt affinity
We have a HP DL980 running SuSE Linux Enterprise Server 11 sp2.
The machine hosts a PCIe digital IO card which is used to send a clock signal to sychronise with other machines.
If we do a top, one ...
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1
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Taskset not working over a range of cores in isolcpus
To preface I'm using Debian Wheezy with kernel 3.2 on an AMD64 chipset. My machine has two Xeon E5-2690 cores. I set up the boot parameters so that all the cores on one CPU are dedicated to a single ...
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Any way to make a program run on a specific core on launch?
I have a program that runs on my server, I want to run multiple instances of the same program (its an application that can only run on a single core..), im wondering if I can assign them to a core at ...
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599
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Smss.exe - setting any core affinity breaks rdp on Windows 7 / Windows Server 2012
I have tried to set core affinity of smss.exe to not run on one critical core on Windows 7 and Windows Server 2008r2. It turns out that simply setting the core affinity to anything (even the full mask ...
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3
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3k
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cset as non-root to set cpu affinity for running processes
I've been playing with cset to set cpu affinity for running processes. I'm recreating the built-in "shield" function manually with set and proc, to add some subsets for specific threads of my ...
- 186
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3k
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How to set network interface affinity under Ubuntu Linux?
I have a multihomed linux box with 6 network interfaces that I'm using to run some tests of router hardware. I would like to be able to set "NIC affinity" (for lack of a better term) on an arbitrary ...
- 139
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377
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Irregular interrupts balance in AMD Opetron Quad-Core
I had a problem with CPU7 overload. I found that it was caused by the eth0 interrupts, as you can see on below cat /proc/interrupts. I'm using 2.6.35.2 kernel and Quad-Core AMD Opteron(tm) Processor ...
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linux, set affinity for init
What is a most convenient way to set affinity mask for init process in linux (debian) on the startup the system?
I know about taskset, but i want set affinity mask for init on it's startup, so all ...
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Three server processes consume no more than 50% of Dual Core CPU
I have three processes running on Intel Core 2 Duo CPU. From watching output of 'top' and graphs of CPU load (drawn by MRTG, data collection via SNMP) I can see that CPU load is never more than 50%, ...
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Setting affinity on windows server 2003
I have a program that by default only runs on one CPU. I have tried using the start /affinity x notepad.exe batch command but i can't get it to run my program. it changes the title of the command line ...
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How to manage processes-to-CPU cores affinities?
I use a distributed user-space filesystem (GlusterFS) and I would like to be sure GlusterFS processes will always have the computing power they need.
Each execution node of my grid have 2 CPU, with 4 ...
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