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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What does "CPU Minutes" mean exactly?
I'm actually trying to report cluster utilization in Slurm but i don't understand the metric CPU Minutes.
[root@XXXX]# sreport cluster Utilization Start=2018-12-01 End=2018-12-31
---------------------...
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Improving NGINX Throughput on a Single SSL Thread
We are configuring a file delivery server using nginx. The server will be serving large files over HTTPS.
We have run into an issue where we can only achieve around 25MB/s on a single HTTPS thread.
...
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perfmon - single thread utilizing max CPU - how to detect?
I work as a windows server admin. Part of my work is to maintan servers and react to monitoring alerts which are often about high CPU load. Sometimes it happens that some app or process gets stuck in ...
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Can a high load on a VPS be caused by the underlying infrastructure?
My VPS started to have random stints of high load (around 2-3, but the system becomes extremely slow, running ls takes like 30 seconds). I hadn’t changed anything on it, there was pretty much nothing ...
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How to find which processes caused the system slowdowns? To be used after reboot
For the last few days my Ubuntu 16.04 suffers random slowdowns that it prevents the apps from loading and doesn't even allow me to connect via SSH.
The only way I can resolve it is by rebooting the ...
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Identify the top processes when the overall system has large CPU utilization in Ubuntu server
I have a Ubuntu server running in EC2.
Occasionally, I get a large CPU usage 99+% utilization as measured in EC2 monitoring dashboard, even though most times it is less than 10%.
Since traffic to my ...
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50% Load on 2 CPU is the same that 100% Load on One CPU?
Very basic doubt: I have an application running on a VM with 2 vCPU.
The average load is a bit less than 50% on both CPUs.
Does that means that 1 CPU will be enough for my application?
Or more CPUs ...
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Does AWS charge for CPU Usage? [closed]
I am considering getting t3.medium Type EC2 run Web Server (Apache, PHP, MySQL) and it also make a lot of use of data processing (PHP script running in the background making a lot of use between MySQL ...
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Requirements analysis for CPU-bound task writing to disk
I have a data-analysis application which is CPU-bound, and produces ~35 MB/s of data per thread of execution.
I'm trying to work out how many threads I can run concurrently, and be able to write to ...
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How to restart linux services if it reaches 100% CPU? [closed]
I have postfix email server with saslauthd. Time and again saslauthd daemon eats 100% CPU. Restarting these services returns to normal cpu usage.
Is there any proper script to determine services with ...
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How can I predict whether or not memory will bottleneck a CPU
My question is general, though I have a specific example. My question is this: How can I predict whether a powerful CPU will be fully exploited in a scenario with memory that is (relatively) low?
My ...
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CPU utilization imbalance on ESXi 6.7
We are working with a server running ESXi 6.7 Enterprise Plus, and the mobo has 2 Xeon 10-core CPU's.
The host is moderately loaded, but strangely the ESXi monitoring screen shows MAX socket (package)...
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Server CPU way up, nothing peculiar
I'm having a strange morning where the CPU usage on my server is running way up. Like 35-50%.
htop shows nothing running like that, but PHP processes once in a while spiking. I can't seem to figure ...
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Root user consume huge amount of CPU [duplicate]
I can't understand why root user take huge CPU load, since there is no special processes running.
top -c
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Does it make sense to monitor free memory and CPU usage on servers?
I am monitoring my servers infrastructure using Icinga2 with some master/satellite configurations.
On Linux and Windows hosts I am monitoring the defaults system metrics like CPU usage and free ...
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High CPU blocking performance on SSH tunnel with PHP-FPM
I've a Debian 9 VPS set up with Apache and PHP-FPM. It connects to another VPS to access a common database server VPS via an SSH tunnel. Mostly this works fine.
Running a test for broken links ...
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Microsoft Azure AD Connect Health Agent for sync 3.0.164.0 high CPU usage
We're experiencing 100% CPU usage from the process Microsoft.Identity.Health.AadSync.MonitoringAgent.Startup on our Domain Controllers that have Azure AD Connect installed, since yesterday.
According ...
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Server crashing everyday around the same time. MYSQL related? [closed]
We have a dedicated server with a few applications running including a Vbulletin forum and Wordpress site. The main resource intensive application is a PHP chat application that utilizes MYSQL also.
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apache2 mod-php cpu 100% on process
I have a VPS Debian server with Apache 2.4.10 mod-php. Server starts normally, but after some time I get 100% cpu on one of www-data processes and a web-server becomes unavailable.
I tried strace on ...
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www-data run un-named process [duplicate]
I have run a server with 2vcpu and 4 GB of ram. my software setup is apache2+php7.0+drupal-7. I'm facing 100% CPU utilization due to the un-named process called [] and is owned by www-data. (...
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What could be causing high CPU usage that is fixed for 24 hours by cycling FQDN/IP?
I have a few servers on my network that are experiencing high CPU usage. It's nothing specific but everything seems to be running hotter. Task Manager is running at up to 6 or 7% instead of below 1. ...
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AWS Instance with 30 GB RAM, still running out of Memory and High CPU usage with small app
EDIT (15th June 2018) - I have resolved the issue. It was Postgres where some queries were taking more than 15 seconds. Most of the queries were for the same type of pages so I just removed that. This ...
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.resyslogd process is using 200% cpu [duplicate]
First of all, a disclamer, I am not a sys admin, I was just asked to check why a VM of ours is using a lot of the cpu.
It turns out that this process is running for ever on 200%
$top
PID &...
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Why does my VM become slower during CPU-heavy tasks after some days of runtime?
I'm dealing with some strange problem for some time now: After some days of runtime, one of my VMs seems to become slower on CPU-heavy tasks. One example were this happens is reading virus signature ...
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How can child processes of mongo can be killed?
I have following mongo process tree in LINUX server.
mongod(1168)─┬─{mongod}(1366)
├─{mongod}(1367)
├─{mongod}(1370)
├─{mongod}(1376)
├─{mongod}(1378)
├─{...
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Ubuntu 14.04 /tmp/systemd process using 100% CPU
We have a live AWS EC2 instance with Ubuntu 14.04, which I have been handed to maintain. An oddity that I have found is that I have a process of /tmp/systemd using all available CPU:
top - 11:35:20 ...
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CPU and Memory Utilization from F5 Device ( ADC Load Balancer ) - Node (Server) wise
Can somebody help me out to retrieve the CPU and Memory utilization details for the list of nodes available in the F5 inventory using SNMP ( from F5 )
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groupadd on Ubuntu 16.04 with PBIS Open stuck with 100% CPU
I have Ubuntu 16.04 servers and workstations which are members of an Active Directory domain, using PowerBroker PBIS Open versions 8.5.0.153 and 8.6.0.427. When I try to add a local group using ...
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Network performance with an i7 6700 Skylake
We're looking into setting up multiple servers with Nginx; the estimated required capacity is 60 Gbps (six-zero gigabit per second)
A nearby datacenter offers us servers with "i7-6700 Quad-Core ...
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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 ...
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Windows Server 2016 rds cpu usage per user low
We are running a Windows 2016 Server for our calculations. We have a Intel Xeon E5-1650 machine with 128GB RAM. We use the server for calculations which normaly need a lot of resources for a long ...
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Why linux "top" command shows different CPU utilizations values with only one CPU?
Why does "top" command shows two different values for a Linux server with only just one CPU. I understand that it can differs when there is a multi core processor but in this case I'm using a AWS ...
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How can I debug Ruby Process that keeps climbing?
A few days ago all 4 of my app servers started having issues. It came after I deployed some code, but all I did was update a local database file that stores some IP Addresses, so I didn't make any ...
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Track User CPU usage for a period of time
I need to track amount of processes that a single user invoked and how much CPU-time (or % ) these processes consumed for a given period of time.
The trick is that each of these processes normally ...
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per processs core limit to allevate high sy/kernel cpu usage
My understanding is high kernel/sy CPU usage is a symptom of network and disk IO or issues of RAM throughput.
#516139. However, I suspect in the case below, over allocating threads is giving the ...
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CPU performance counter not working in Windows 10 guest, VMWare ESXi host
CPU performance counters are not working inside my Windows 10 guest virtual machine. I run a bare metal VMWare ESXi (6.5) host.
As can be seen from the screen shot all other non-CPU performance ...
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Improve performance for my VM instance on Google Cloud
We already have a VM instance which is a custom (6 vCPUs, 32 GB memory) Intel Sandy Bridge.
The CPU utilization is always at 60%. Is that normal? Can be improved in order to optimize server response ...
google-cloud-platform
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klogd using high CPU on Ubuntu 14.04
One of our servers continues to alert on high CPU. When looking into this, it is consistently being caused by the klogd process:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ ...
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Why do user and system cpu in cpuacct.stat not add up to cpuacct.usage?
Question relates to Linux cgroups cpu accounting.
I noticed this at the container level, but it persists up to top level. For instance:
# cat /sys/fs/cgroup/cpu/cpuacct.stat /sys/fs/cgroup/cpu/...
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Cannot move all processes by a user into cgroup using cgred
I am on a CentOS 7.4 server, and trying to setup CGroups.
My cgconfig looks like this:
#
# Copyright IBM Corporation. 2007
#
# Authors: Balbir Singh <[email protected]>
# This ...
user450390
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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 ...
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Xen PVM host showing wrong info about Cpu core and socket
I have XEN install on a machine which has 2 sockets of 4 core each. So total 8 core and each core have 2 thread. So the server have 48 logical CPU.
[root@xen ~]# xm info
release : 4.1....
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What do I scale up on a virtual server to take load off the CPU while uploading big files? [duplicate]
I have a small photography portfolio website running on Ubuntu. It's a Digital Ocean droplet with the following parameters:
512RAM memory
1 vCPU
20GB SSD disk
1TB transfer
This setup is sufficient ...
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1
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qemu-system-x86 consumes about 25% cpu on host while guest is in idle state
I run two kvm guests on my host, with the same config.
One of them is a ubuntu 17.10, the other is a debian 9.2. Both are running on linux kernel 4.13 (debian is installed from the backports repo)
On ...
user446594
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How is RAM and CPU allocated if no manual changes are applied to an Ubuntu Server
We have an Ubuntu Server (16.04) running R-Studio Server where we do statistical simulations. Those simulations are sometimes heavy on RAM and CPU so i would like to know how memory and RAM is ...
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Is Kernel-General time sync event linked with CPU usage?
We are running 6 2008 SQL Servers on Windows Server 2008 R2, 4 of which were sitting around 50%+ CPU usage during peak usage. On Wednesday, the CPU on 2 of these 4 servers dropped by 20% and ...
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CPU usage in a VM is over 100%
I have installed an Ubuntu server 16.04 in a VM from vultr (my plan is 2 CPU, 4GB RAM) and I noticed today in the admin panel that the CPU usage the last month is over 100% (currently is in 103%).
In ...
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AWS EC2 instance not rising above 60% CPU utilization
We have an AWS Scaling Group with several EC2 instances that will never go over 60% CPU utilization rate and we have no idea why. We have other servers with similar functions and builds that don't ...
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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 ...
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Find out CPU and memory usage percent of Docker container within its running environemt
Does anyone know how to get resource consumption of a specific Docker container within its running environment?
Outside of a container, we can get it easily by typing a command "docker stats". ...
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