The amount of processing units of the CPU used to execute a task and how long it takes.
Questions tagged [cpu-usage]
685 questions
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3 answers
CPU - 16 threads stuck at 100% [resolved]
I use centos 8, mariadb 10.5, php 7.4
enter image description here
As you can see 16 threads are at 100% stucked there this very unsual normally my cpu are at 10-25% as constant.
here is a top image
enter image description here
What is going on here…

Wed
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1 answer
no reduction of CPU usage using "nice" utility in Dual Core Machine
to observe the actual working of "nice" utility in linux, I wrote a python script to calculate SHA512 non-stop.
- Preparation -
a Dual Core Linux Machine, a Single Core Linux Machine ( actually, they are both cloud instances )
a python script to…

Sajuuk
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Update64.exe Using All CPU Resources
I have tried finding out what Update64.exe really does. I think it might be a virus but there's not much out there on the topic. Does anyone know how to fix this? It's using pretty much 80-100% of CPU.
I have tried running the Microsoft Malicious…

DomainsFeatured
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MySQL is using too much CPU
I have i7 3770 dedicated server with 32GB ram, and Centos7 is installed, below are CPU details
[root@server ~]# lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): …

emir
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2 answers
Why there are so many "ss" process on my server (CentOS with nginx serving the web)?
There are about 500 concurrent users. It's because some famous people on social network repost a link.
This happened before. And our server were performing good.
But this time, the server is getting very slow and I noticed that the load is very…

AGamePlayer
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Apache being hit by requests (cpu 100%)
recently we moved to a new host (DO) for one of my client after being on a shared account .
I was monitoring the cpu and it was always at 100% , knowing that the site dosnt get a lot of traffic , decided to check the access log and i saw the…

Tarek
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1 answer
How does process CPU usage relate to Load Average?
I have the following host / load:
Two 6-core CPUs, with HT (From what I understand, max load would be 24.0)
12 "primary" processes, with sustained usage of about 50% CPU
Load average: 0.86 0.98 0.98
Could someone help me understand:
How do…

MrDuk
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votes
3 answers
Can't connect to virtual server that shows 99% CPU usage
Our CPU usage showing 99% since last 24 hours due to this usage we can't able to connect the server through SSH. We are using this server for our Magento 2.0 webstore.
We have rebooted the server lots of time but after rebooting the server same CPU…

Rinjal Patel
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votes
1 answer
number of cores available on a server
I need to find out, how many cores are available on a server at that moment. For example, it is a 8 core machine and running at 50% CPU utilization. Can this be assumed as 4 cores are available? or is there a more sophisticated way to determine…

Varun Gupta
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High CPU being caused by garbage collection in w3wp.exe
I am having a problem with High CPU happening on my my website in IIS8. This happens randomly and not very often but it does happen especially when the load is heavy on the site. The only way to stop it is to End Task on the w3wp.exe process and…

exposure
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votes
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Windows Server vs Ubuntu base CPU usage for AWS EC2 burstable instances
I recently switched from a small VPS provider to AWS EC2. My traffic usually comes in bursts throughout the day and I therefore concluded that running multiple t2.micro instances would be by far the most economical solution.
For those who don't know…

Chris
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Tasks on server stay in sleeping
I logged into a server with multiprocessors and started 20 python programs, each processing part of my data.
However, it cost too much time so I checked top and found all ipython processes are in sleeping. What's wrong?
$ top -u calc
top - 13:36:27…

Lee
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votes
1 answer
Wordpress High load average 18 and cpu 81% on a dedicated server
my website works fine the day; load average below 3 and cpu below 50%.
but at night load average 18 and cpu 81% and the website become very very slow.
Photos are showing the active visitors at night 734 and 219 the day
the last photo shows the…

ninoplan
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Does/can serving larger files (images in this case) necessitate increased CPU load on a linux/apache web server?
We are experiencing quite a high CPU load on our web server right now
(I'm just doing some research, I am not actually the website's administrator)
One of the most significant changes has been a new search results page with larger thumbnail images…

Drewdavid
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Holding F5 on Wordpress site causes 100% CPU (Apache)
I am running an instance of Wordpress on an Ubuntu 10.04 VMWare server. If I hold F5 or CMD+R on a page or post, both CPU's on the server will climb to 100%. There will be plenty of free RAM left, but the CPU's will stay at 100% until all the…

user671460
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