Questions tagged [cpu-usage]
The amount of processing units of the CPU used to execute a task and how long it takes.
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Identifying processes causing 100% cpu usage [duplicate]
Some users report high CPU usage on their computers during ordinary activities (like Teams calls).
How can I collect a report of processes causing high CPU usage over a few hours?
I would like to use ...
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RabbitMQ CPU Usage Spikes
I've installed RabbitMQ on kubernetes(k3s) on ARM (Oracle OCI Ampere A1) using the community docker image.
I'm seeing very regular periodic CPU usage spikes (two series of spikes, both with a period ...
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Amazon ECS container showing strange CPU usage after deployment
I'll preface this by saying I'm fairly new to working with AWS.
Yesterday I deployed a new version of one of our services to our test environment.
Most people are on holidays at the moment, so there ...
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AWS server completely shutting down because of the insufficient CPU memory (server-kernel: out-of-memory )
WordPress website(4years old) have been recently migrated from shared server to the AWS server (2cpu, 4GB ram,80 SSD).After migration website was working fine but in the night between 2am and 6am the ...
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spoolsv.exe CPU issues on new server
Similar to @Tomviv's post 1117360, but I can't comment or message the user who raised it as this is a new account for the sake of this issue.
We installed a new DC Server for a client hosting 2 print ...
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High CPU of kworker/3:3+events (due to intel gpu drivers?)
I have a fresh install of ubuntu server 23.04 and I can see that CPU usage on idle is quite high (~0.5) after further investigation I saw that kworker proces periodically (something like every ~20sec ...
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Optimizing CPU and Memory use on Multi-socket NUMA server
I am building a server that will be used by interns in my company to connect to and perform some tasks. The server is running AlmaLinux 9 and using KVM to run Windows 11 guests.
The server has 2 CPU ...
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Running a cluster 24x7 at full load. Possible damages? [closed]
Let us assume that we have a pool of some 50 computers with 6 cores and 12 threads each.
If someone plans to use it for intensive astrophysics simulation using all of its logical CPUs (50*12) for 24x7,...
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stress-ng: Simulate specific CPU and Memory Percentage
Goal : For performance test I m using stress-ng and I want to consume 100% CPU of 3 out of 4 Core and 80% of entire memory for 30 min (this is very extreme test condition). And I have few other ...
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Windows Servers with Citrix + Credential Guard > CPU use from average 30% to 90-100%. Ideas?
It has been observed that Windows Servers with Citrix and "Credential Guard" feature turned on; have jumped in CPU use from average 30% to 90-100%. This is a work in progress and Microsoft ...
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php7.4-fpm consumes 100% CPU and loops mremap() system call
Recently I have upgraded to the mainline Debian 10 backport kernel.
This morning I've noticed that the web server is very slow, and inspection showed 100% CPU usage
by php7.4-fpm:
PID USER PR ...
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Determine QEMU KVM overhead?
My guest OS shows about 5 percent CPU usage, but my host machine shows the QEMU process taking about 25 percent.
I'm trying to understand where this difference comes from, as I am using KVM ...
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QEMU load average vs cpu count
When I configure more CPU cores, the load average in my Guest OS as shown by top also increases linearly.
I'm trying to understand why this happens, because I expected either the opposite or at least ...
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How to use top without interactivity?
I want to periodically monitor the CPU usage and plot in time series. Not having much knowledge, I plan to use the top command, something like this question (Monitor cpu usage (and perhaps memory ...
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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 ...
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Slow server performance due to Google Bot and Ahrefs Bot
I have a VPS server with 64 CPU cores and 128 GB RAM running on Debian. I have noticed that Google Bot from IP address 66.249.66.0/24 and Ahrefs Bot from IP addresses 54.36.148.0/24 and 54.36.149.0/24 ...
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Why sum of all process CPU(%) is not equal to total cpu(%) utilisation in top output [duplicate]
I have decided to create a simple monitoring tool for my Linux server. For the CPU montoring I relied on top command but I have feq queries on that.
In the attached Top Command image of top command ...
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MariaDb High Cpu %300
Hi mariadb consumes a lot of cpu. The settings are here. Server features CPU
6 cores/ 12 threads @ 3.4 GHz (4.8 GHz)
RAM
32GB DDR4 • ECC Server Grade
Disk Drive
2 x 480GB SSD SATA Software RAID
[...
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Setting up slurm with 2 different nodes and 2 different partation on 1 physical server
I have a requirement for setting up slurm on one physical server, with 2 different partation and 2 main node so, need to have,
partation1 wihich need to have node1 and need to be used by group1 user
...
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What does top cpu percentage include?
I have a program that reads data from shared memory and send it to a non-blocking socket in a single-threaded manner. When I'm hammering the traffic into that application, I can only see the TOP cpu ...
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What is the Max value for speed limit param in CloudLinux (lve)?
I can see in cloudLinux document that in cpu usage limit section, 150% means 1.5 cores : https://docs.cloudlinux.com/limits/#speed-limit
My question is : for a server with 12 cores, if I want to use ...
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Sudden spike in PHP-FPM process CPU usage. How to track down?
I have a magento2 store(with 10609 products) running on an ec2 instance(ubuntu 20.04, 16core and 32GB ram). It is a shared server with staging and live on the same instance.
A few days ago, I got an ...
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: High CPU Usage By adr_character Command
My linode server is running on UBUNTU 20.4 + nginx.
Recently my cpu usage increased up to 100%. At first I thought PM2 caused the problem. Uninstall PM2 but the problem still exists. Even rebooting ...
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CPU at 100% during the night, spooler service is causing it
I have a very strange situation where the CPU on our print server runs at 100% for most of the night. During the day it backs down to normal levels. It started when we installed new printers. It is ...
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Obtain statistics of CPU and memory usage from one cgroup
Context
I have a system in which I have to check periodically usage:
relative (percents) for CPU
and absolute (GB) for memory.
How it's currently implemented
Language we're using is python.
system-...
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How to reduce MySQL Server CPU usage or load?
How to reduce MySQL Server CPU usage or load ?
Here is my.cnf :
skip-name-resolve
disable_log_bin
innodb_buffer_pool_size=200GB
innodb_log_file_size=25GB
innodb_log_buffer_size=8M
...
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AWS-EC2 100% CPU Utilization
I am curious to know about 2 things below about the AWS-EC2 CPU utilization and CPU Credits.
What will happen if my AWS-EC2 instance CPU utilization is constantly 100% and I ran out of CPU credits?
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Uneven cpu utilization linux dual socket server
Recently I noticed on two of our servers strange distribution of tasks.
Both servers are dual cpu EPYC 7402 physically the same platforms, running the same tasks, differ in numa configuration, kernel ...
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How to deal with ksoftirq hitting 100%?
I have a Linux server with 48 CPU and, from time to time, some of them starts hitting almost 100% of usage. And when that happens, the usage doesn't go down and that's affecting some services ...
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How to perform postmoterm analysis of high usage of CPU/RAM and nonresponsiveness on Ubuntu?
Recently one of my dev server experienced very high usage of CPU (1 out of 2 cores completely used) and RAM(near 100%), and system didn't respond to either SSH, web requests(by apache), nor websocket(...
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AWS EC2 CPU Spike for 1 minute
Im running a aws linux 2 EC2 instance and noticed throughout the month there will be sudden spikes in the CPU usage where it gets close to 90% and then drops off. However looking at the average over 2 ...
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400% difference in CPU usage between "Task Manager" and "Sysinternal's Process Explorer"
On one specific server I have 400% difference in CPU usage between "Task Manager" and "Sysinternal's Process Explorer" (both picture taken on the same screenshot, so at the exact ...
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MySQL + php due to high CPU usage app crashing
Just recently the application that I maintain started crashing, mysql's CPU usage is 100%... or more :)
The application itself is quite old and has a lot of slow queries but before blaming it I want ...
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Best Fit for Image processing (AWS, GCP, Azure etc.)
I have an application which uploads images (png and jpeg) of at least 3 MB in size to the server and the server processes the images by creating 3 resized thumbnails of type webp.
The problem is the ...
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Is there a kind of a/b test for checking CPU Usage?
Our team try to find a way to compare CPU and Memory usage between the current version and the new version. I found some answers.
(1) Using load balancer
By using load balancer, we can divide our ...
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nginx container uses only one out of 4 cores
created an Nginx container with 4 static CPUs
docker run -tid --cpus 4 --cpuset-cpus 6,7,8,9 --net=host --name mynginx nginx
docker exec -ti mynginx cat /etc/nginx/nginx.conf|grep worker_processes
...
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Should I use cpu utilization or system load?
I use ffmpeg to transcode H265 video to H264 stream. The computer seems over capacity while pulling video from two cameras.
The machine is equipped with a 8-core i7-7700T. My question is, shall I ...
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CLI Tool for Machine Stats
Are there good CLI utilities to see things like CPU, RAM, and Network Traffic over time?
I know CPU can be looked at via a command like top but curious if there is any way to collect historical trends ...
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How to estimate how much resources are needed in a cluster?
I'm new to kubernetes. So I need some help with things, which are basic stuff for most of you. I build my first cluster and added some workers (bare metal).
How do I estimate how much resources/power ...
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Unknown process on Centos 7 VPS "sysnetd" using lots of cpu
So I cant seem to find any information ANYWHERE on what this process, "sysnetd", does. I've run LSOF etc but nothing seems to provide any info I know what to do with. The /proc/pid folder ...
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100% CPU load caused by service "perfctl"
I am running a dedicated High Performance AMD Server with Ubuntu 20.04. since a few months.
Suddenly tonight CPU shoot up to 100% until the point that I killed the service "perfctl" that ...
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100% CPU usage from iowait caused by Nginx, not solved by turning sendfile on and directio off
I run a webservice that performs some basic image processing operations.
The webserver first accepts image uploads from users and temporarily stores them. A backend server then downloads the image ...
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Uneven CPU usage with NGINX
On my CentOS 7 server, the load on each core is unequally distributed, as seen in the screenshot: some nginx worker seem to take way more load than other. irqbalanceis enabled, hyperthreading disabled....
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How CPUQuota works in systemd
I'm setting up a .slice file for systemd. I want to restrict the slice to a certain amount of CPU time. But it's not clear to me from the systemd docs whether the percentage given to the CPUQuota is ...
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How to identify cause of sudden CPU utilization
I have a production server for a web application configured in AWS EC2 instance. I was running this for years and suddenly since today morning it is showing some spikes in CPU usage and application ...
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Load average greater than number of CPUs
Why load average is greater than number of cores CPUs? But, htop command is not showing which process are using so much CPU load average.
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Downtime on an EC2 instance
Recently I had an issue on an EC2 instance. The site running there was unavailable for 2 hours:
CPU utilization for the past week:
The rest are around the time it happened:
The systemd journal ...
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How to check what triggered high CPU usage on past days, on Digital Ocean?
I want to investigate what caused a high cpu usage for several hours on 1/16. Digital Ocean graph shows a prolonged high cpu usage in the course of about 12 hours. Is there a log somewhere that I can ...
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How to calculate CPU utilization for an application in a multicore system
On 8-core server, 0-3 are configured as isolcpus and remaining cores (4-7) are available for system and user processes to run. My application has multiple processes which will run on any one of the ...
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CPU Limiting & kswapd0 Advice Saught
Through hours of testing, I have found that the nextcloud desktop sync client for ubuntu 20.04 (appimage or ppa) both seem to have a bug to where... if a common nextcloud file sync error occurs , ...
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