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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.

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2k views

How to investigate the cause of a 100% CPU event that lasted for hours?

Yesterday the CPU on my Xen-based VPS server went to 100% for two hours and then went back to normal, seemingly naturally. I have checked logs including syslog, auth.log and more and nothing seems ...
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283 views

What process on a SonicWall Security Appliance Checks the DPI-SSL Client Inspection?

I'm interested in determining if there is high CPU usage on a SonicWall Security Appliance, but I don't know which process to check for high CPU usage. There are various options for this in the UI ...
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0answers
1k views

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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0answers
21 views

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 ...
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0answers
673 views

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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0answers
459 views

Is there a way to check resource utilization on a cluster running SLURM?

Not sure if this question fits better here or at Unix.SE but I figured it feels more appropriate here. I am running some computation-heavy research on a national cluster which uses SLURM for ...
2
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0answers
76 views

Can I limit wall clock time available for process on Solaris?

I would like (many) processes to be killed if still running after certain amount of time after execution. First I have thought that Solaris’ resource management is perfect tool for the job, as it ...
2
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0answers
2k views

strace not showing anything for thread at 100% 'system' CPU

I'm having difficulty with my Python app going to 100% 'system' CPU time across multiple threads for up to 10+ seconds. My (limited) understanding is that 'system' CPU time is time spent in the kernel....
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0answers
415 views

Exchange 2010 on KVM - CPU usage reporting incorrectly

Good Morning, I have virtualized an exchange server using KVM (proxmox actually). It is Exchange 2010 SP3 running on server 2012 R2. KVM version 1.7.1. I am using the latest (0.1-74) virtio ...
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0answers
225 views

Vmware 5.1 ESX linux host cpu keep climbing overtime

I have Debian lenny with php and mysql, in Vmware 5.1 ESX. Cpu keeps climbing over time. After about 50 days, cpu usage is 100% by apache and mysql but it is climbing day by day. If I restart these ...
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0answers
869 views

Ubuntu 13.04: apt-get and check-new-release CPU bound

I own a virtual server hosted by a provider. A few hours ago I was notified about the VM being CPU-bound. I couldn't log in and rebooted the server. After the boot, apt-get and check-new-release were ...
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0answers
297 views

VMware Fusion Ubuntu 12.04 LTS Server - Soft Lockup CPU Stuck

I have a strange Stuck Problem with VMware Fusion and Ubuntu 12.04 as Guest System. On High Loaded process the System stucks with "Soft Lockup CPU Stuck" and i have to reboot the VM...the Same System ...
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0answers
11 views

Profiling CPU, memory, networking performance and generating reports

Background I have a performance-intensive (i.e. consumes a lot of CPU cycles, memory, and network resources) application. Multiple instances of this application, along with some third-party vendor-...
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0answers
95 views

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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0answers
52 views

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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0answers
219 views

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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0answers
164 views

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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0answers
277 views

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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0answers
288 views

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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0answers
94 views

Ubuntu reduce/increase the number of cores used on a per demand base

I would like to ask for best practices how to manage on demand base the number of cores in use of a Dell PowerEdge 1950 Gen II running Ubuntu 16.04 lts. The PowerEdge 1950 has two quad core Intel ...
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0answers
432 views

Stabilize CPU Usage for KVM VM

I running here Ubuntu 16.04 as KVM Host. In a VM runs Windows with a time critical process (UDP Video Stream) Sometime when other process runs on the host, for a moment it influence the CPU usage ...
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0answers
218 views

Resource Monitor Showing Incorrect (?) CPU Usage for Services

Resource Monitor on my Windows Server 2012 R2 is showing high CPU usage for process oracle.exe (~75%). However, it also shows that CPU usage is divided among totally unrelated services. Namely the ...
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0answers
395 views

What's the impact of a high cpu steal time on XenServer's dom0?

From what I understand, cpu steal time is the CPU time that the VM kernel requested, but was denied by the hypervisor because it was serving another VM. From my experience, on a XenServer that has ...
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0answers
772 views

Apache is using 100% CPU even with one user

Apache is using 100% CPU even with one user Apache (or should I say PHP through Apache?) is using 100% CPU for few seconds every time somebody search bugs at our bug tracker or just reload the search ...
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0answers
140 views

High CPU Usage Top isn't Showing Processes

Hey I'm having a weird issue that I'm having some difficulty diagnosing. I have a VM that went down due to high CPU usage today. The websites on this VM are very low traffic, so I knew something ...
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0answers
546 views

determine if threads on a cpu are blocked? What are the causes of thread blocks?

The load-average reported by uptime command also displayed in top provides the the average run-queue length over time (1, 5 and 15 minutes) The run-queue length is the sum of the number of threads (...
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0answers
330 views

High CPU interupts when CPU usage is very low

I have a CentOS 6 VM running on Win2012 Hyper-v server. This server has 12 processers, 60GB memory, Raid-5 SSD. There's nothing running on the server yet, but it has very high cpu interrupts, always ...
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0answers
96 views

'Nice' a process on Windows within EC2

I have a server in AWS/EC2 that is running a MSSQL database with a number of applications accessing it. On occasion, some Cobol batch processes are run against it also. For a while these have been ...
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0answers
395 views

Apache taking up a lot of CPU while running request-tracker4

I am trying out a request-tracker installation on an EC2 micro instance. The specs for the micro instance are as follows 1) Ubuntu 12.04 64bit, 613MB RAM, 8GB Hard Drive 2) Running request-tracker 4....
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0answers
32 views

Intermittent CPU spikes on EC2 instances

We have an web app that runs in AWS Elastic Beanstalk and uses Java as backend. Intermittently, one app server behind the load balancer crashes due to the CPU being used 100%. After some analysis, I ...
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0answers
10 views

HaProxy Configurations Error while setting up multi proc environment

I want to achieve 6000/sec Requests and trying to setup HaProxy with muli proc Settings but Getting this Error. cpu-map expects a process number including 'all', 'odd', 'even', or a number from 1 ...
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0answers
13 views

Performance monitor triggering a batch script

I've created a batch script which once triggered it'll send myself an Email, the issue i'm having is i'm trying to set up performance monitor to trigger the batch file if CPU usage has been over 80% ...
0
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0answers
24 views

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 ...
0
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0answers
81 views

How can I root-cause linux docker container CFS throttling?

I am running a docker container with a CFS configuration of 100000us period and quota of 450000us My understanding is that this means that for 100000us accounting periods, if the CPU consumption ...
0
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0answers
96 views

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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0answers
128 views

CPU usage of a host in mininet

I have a network in mininet which includes a switch and 2 hosts. Now I want to find out the CPU/memory usage of a single host in this scenario. Is it possible? Is there any tool or any way to do this?
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0answers
43 views

Lots of ENOENT (no such file or directory) errors in my php-fpm: pool www processes, resulting in 100% processor usage

I am running a Magento 2.2.4 installation on php 7 and apache2. I have asked this on the Magento stackexchange as well but someoone suggested it might not be a magento-specific problem. Sometimes ...
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0answers
72 views

Why does the AWS console show such a high CPU usage for my Elastic Beanstalk instance?

I've got a super simple web application deployed using a Tomcat 8 instance on AWS Elastic Beanstalk. It works great. I'm confused about the CPU usage, though. The AWS EB web console shows that it's ...
0
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0answers
995 views

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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0answers
69 views

Datadog reports 0 CPU idle, but server says close to 100% idle?

I have an open alert in Datadog for a monitor that measures CPU idle on our servers. It reports that one of our servers has hit 0% CPU idle. But when I run top on the server in question, it shows load ...
0
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0answers
152 views

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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0answers
34 views

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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0answers
31 views

How to find resource usages of each databases in a Mysql server

I'm using MySQL v5.5 and we have 6 databases in same Mysql. We are planning to move some databases to separate servers. For that I need to know resource usages of each databases. I have checked ...
0
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0answers
88 views

Nice not working though disabled kernel autogrouping via sys.kernel.sched_autogroup_enabled

Context I have a Ubuntu 16.04 Kernel 4.4 desktop installation and two randomly CPU-intensive tasks (docker, numbercruncher). I want to prioritize the docker process over the numberbruncher task, ...
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0answers
176 views

marathon-lb mapping process to CPU core

We use marathon-lb as dcos load-balancer. To increase performance of haproxy next config is used global nbproc 4 cpu-map 1 0 cpu-map 2 1 cpu-map 3 2 cpu-map 4 3 stats socket /...
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0answers
161 views

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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0answers
56 views

Unknown commands running and eating up all the CPU

Here are a few unknown commands eating up all the CPU resources on Amazon ec2. This is since 10 hours. Command names are unrecognizable and read as phpxxxxx_xxxx. Can any one guess what is going on ...
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0answers
237 views

WSUS CPU & MEM issue

We have hosted WSUS services on Windows Server 2008 R2. The sqlservr.exe and w3wp.exe is using lot of memory. But as per observation The physical memory is 50% used but CPU usage is more than 90%. ...
0
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0answers
512 views

windows server 2012 cpu quota

I have written a multi-threaded program that is running on Windows server 2012. The program will create threads to take advantage of multiple CPUs and I can control the number of simultaneous threads ...
0
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0answers
31 views

Process CPU% doubles when paired with more, similar processes

We're running into an interesting conundrum that I'd appreciate some help troubleshooting. We have a service that has several processes. To distribute load, we can startup n-processes of most types. ...