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Questions tagged [cpu-usage]

The amount of processing units of the CPU used to execute a task and how long it takes.

685 questions
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What's going on with my server? High load, lots of idle CPU time, low disk utilization

I run a web site and send a legitimate opt-in, daily email newsletter to subscribers. Both the web hosting and email sending are done by the same machine. I have about 100,000 subscribers who have opted in to my daily email newsletter. My PHP script…
Jonathan
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Massive CPU usage spike, How do I find out what causes it?

I have a server running CentOS Linux, and very rarely (maybe once every 3 months) something happens that causes it to have an exceptionally high CPU load (400%) that causes the server to basically freeze up. The problem I have is that when I reboot…
Dave Johnshon
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Artificially burden the CPU

I'm looking for a command line application that will artificially burden the CPU. It needs to be better than just a busy loop. We're testing how the system holds up under heat stress and the CPU needs to generate as much heat as possible.
deft_code
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Linux Cumulative User, System CPU Usage of Running Process?

On Linux (and other Unix-like OS's if there's a general answer), is there an easy way to get an output similar to the time command (current real time, user, and system CPU usage totals) for a process that is still running?
dsimcha
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Windows File server heavy cpu usage - Render Farm with many clients reading data at once

I have a windows file sever with Dual Xeon E5-2650v4 cpus. They are 14 core each so 28 cores total. The network interface is a Mellanox Connectx3 40gbs. The disk drives in the server are 7.68TB Sata 6gbps ssds x8 in a Raid 0 (software windows…
tom greene
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CPU load for high performance computing

Is there a reasonable/safe level of CPU load in the context of high performance computing? I understand the meaning of load average for servers in general, but do not know what to expect for servers built and used for high performance computing. Is…
ascendants
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Server suddenly has high softirq cpu use after reboot

A 48 GB RAM virtual server maintaining about 25k TCP connections (devices in the field logging in to set up an SSH tunnel) ran out of RAM and started swapping, and getting slow, etc. We upgraded and rebooted. Even after the 25k connections had been…
Halfgaar
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High CPU usage by WMIPRVSE.EXE process at regular intervals in Windows

I noted eventually at production server with almost 200.000 handle and wmiprvse.exe process with high cpu usage. The server has approximately 200 processes running on Windows server 2012-R2 (virtualized with VMWare) with 12 processors and 12.4 Gb…
lsalamon
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Is it possible to configure Windows "resource exhaustion detector" to detect and log high cpu events, rather than just low memory events?

Is it possible to configure Windows "resource exhaustion detector" feature to detect and log high cpu events, rather than just low memory events? As some may know, if Windows detects a low memory condition, the "resource exhaustion detector"…
charlie arehart
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High CPU usage by mariadb even after allocated more memory to mariadb?

I am using aws server r4.4xlarge and allocated more than 60GB to database only still i am facing issue of high cpu usage. I have around 10 big table each of approximate size of 18GB with integer primary key. all tables are innodb and I have…
rajesh6115
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Windows Servers High CPU usage when no user is logged in

Since a few days ago a lot of Windows servers on a corporate domain started to have almost 100% CPU usage. All of them are on VMWare Hosts and even there we can see the 100% CPU usage on the host level. I've have checked: Changed GPOs on the day…
rgomez
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PowerShell high CPU usage in Windows Server 2012 R2

I'm facing this problem recently: My server gets very slow, I went to check and see one instance of PowerShell using a lot of the CPU. I force the task to end and after some hours it comes back. The script that it's being executed: powershell -NoP…
Deeh
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How to project / measure physical host wait with multi-core guests in ESXi

I’ve heard that if you have a guest with N virtual cores under ESXi, the hypervisor waits for N total logical processors on the host to become available simultaneously before delegating work from the guest to the hardware. Therefore, the advice is…
Chris Tonkinson
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Is the system load tied directly to CPU usage?

It's a dual-core machine and the load is around 24 but CPU usage is bouncing around from 60-80% and never reaching 100% so how can there be that many processes waiting? I/O is pretty much nill since everything is being read from memory databases…
Ryan Detzel
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How to throttle Chrome's CPU usage?

We've got a company using a terminal server to do most of their work and when multiple people are using Chrome with a few tabs open the CPU gets maxed. Is there an easy way to limit how much of the CPU Chrome can use up through group policies? We're…
Max
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