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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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Linux: How to get average mail resource utilization over a given interval [on hold]

I'm trying to capture the memory, cpu and I/O used by the exim process on a CentOs linux server and save it to a datastore to calculate the average memory, cpu and I/O used by the process over a given ...
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17 views

Will Windows Server 2016 use all available resources when running programs? [closed]

I know this is a basic question, but I am curious on how windows server allocates internal resources when running programs. We were zipping a file and the server took over an hour to zip a file. If ...
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1answer
62 views

How to get MySQL resource usage per user

I want to know is there anyway to get CPU usage per user in MySQL? for example I have 3 different users 'user1', 'user2' and 'user3'. I want to get the average/real time memory usage and CPU usage of ...
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1answer
78 views

Amazon Aurora read-only slaves slowly increase to 100% CPU and die

We have a master database instance hosted on AWS Aurora (mysql) and have many read-only slaves being replicated from it. The master and the 4-12 autoscaling slaves are currently of db.r4.4xlarge size ...
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1answer
19 views

nginx workers stack at 100% usage after X random days

I am facing a strange incident, under which my two nginx workers suddenly get stack at 100% of CPU usage after a random number of days and at the same web traffic, under which they are behaving fine ...
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2answers
63 views

Get CPU utilization in frequency for a specific proccess in Linux

I want to get the realtime CPU frequency which is using by a process in Linux. I think I should use top command. But I want to know the '%CPU' column in top is the percent of CPU usage for a process ...
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43 views

AWS ElasticBeanstalk and Laravel CPU 100%

I have a Laravel 5.6 application running in a t2.small instance managed by ElasticBeanstalk. After every 2 or 3 minutes the status transitions to "Warning" due to 100% memory usage. In this picture ...
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2answers
62 views

How to tune linux machine in order to improve CPU load average and CPU utilization

We are working with huge hadoop cluster. We have 736 datanode machines and each node have 16 core X 2 thread. On some machines we saw CPU load average (98-128 for 5 min). After deeply ...
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1answer
58 views

how do i find a memory leak in Linux?

I have a digital ocean droplet. recently i combined it with another, and now the system will randomly (every couple days) completely max out on CPU usage (for a single user, not for the system) and it ...
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1answer
121 views
+100

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 (...
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81 views

php-cgi.exe use high CPU, but which application?

I have Windows Server 2012 R2 x64. IIS and Maestro Panel. I have several wordpress sites in IIS. Sometimes php-cgi.exe causes high CPU usage. In .net applications I can detect which application pool ...
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2answers
64 views

High CPU - mysqltuner assistance (wordpress)

I just migrated wordpress blog to new server. It has some 120K posts. The problem is It get struck, hang or even freeze during mysql operation. A single wordpress(without any plugin) create post ...
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22 views

RDS CPU goes to 100%, show full processlist shows no heavy query

I have a db.m4.xlarge which CPU's goes to 100% every day at random hours. When I show process list, it doesn't show any heavy query. There are some connections on "sleep" though. I have been ...
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1answer
61 views

Autoscaling Azure SQL Database

I'm looking to set up some type of method to autoscale (vertically) my Azure SQL Databases based on CPU or some other performance metric. My environment is in govcloud and I don't see any options for ...
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123 views

DHCP Client on Windows Server 2012 high CPU usage

svchost.exe was seen to be consuming a lot of CPU time (12%) continuously for weeks on end. It has been determined that its DHCP Client which is causing this. I'd rather not disable the DHCP client ...
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1answer
494 views

Why Windows 10 Virtual Machine show high CPU load on KVM hyprvisor

On KVM (Centos 7) Hypervisors Windows 10 Virtual Machines show High cpu usage. Around 30%. While other Linux, Windows 2k16, Windows 2k12 and Windows 7 Virtual machines just use from 1%to 7% CPU. By ...
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1answer
48 views

Windows Servers Commandline/PowerShell How to capture, CPU utilization as there in TaskManager?

For Monitoring windows 2012/2008 performance, I need to capture CPU utilization along with top 3 process names consuming CPU at the most, on Windows 2012/2008 Servers over command line. I've tried ...
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0answers
31 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
54 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 ...
2
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0answers
45 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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1answer
482 views

I keep getting counter_cpu_share_used alerts in in Virtuozzo - do I have to take action?

On my Hosteurope vServer, I keep getting these counter_cpu_share_used alerts in Virtuozzo, basically whenever I actively use my vServer. Screenshot As you can see, I get red alerts all the time. It ...
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1answer
71 views

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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1answer
75 views

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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0answers
17 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
20 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% ...
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1answer
100 views

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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2answers
76 views

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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0answers
30 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 ...
2
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1answer
70 views

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 ...
2
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2answers
101 views

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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1answer
367 views

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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1answer
15 views

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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1answer
649 views

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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1answer
30 views

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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1answer
736 views

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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1answer
26 views

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 ...
2
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1answer
68 views

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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1answer
51 views

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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0answers
108 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 ...
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0answers
113 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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3answers
7k views

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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0answers
155 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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2answers
225 views

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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0answers
60 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 ...
0
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1answer
290 views

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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1answer
150 views

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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0answers
95 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 ...
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0answers
1k 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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1answer
204 views

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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0answers
102 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 ...