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0answers
179 views

MySQL service takes a lor of CPU (780%)

I have a web server with MySQL and apache2. Server running a blog engine and normally it works fine. Yesterday (this is the second time) MySQL takes high CPU usage (790%) and the server hangs. The ...
1
vote
1answer
223 views

Why does a suspended process show high CPU usage in ps?

Sometimes when a process is suspended (in T state) the output of ps shows the process using an unusual amount of CPU%. USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND cossey ...
3
votes
1answer
378 views

Limit httpd.exe CPU usage

We are using Collabnet Subversion Edge in one of our VMs, and occasionally one of the httpd.exe processes spikes to ~100% and just sits there. I believe it's interfering with our overnight backup ...
1
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0answers
69 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 ...
1
vote
1answer
120 views

KVM host only using one core out of 8

This KVM host is only running one VM/guest right now, and it is running with -smp 1. Top shows only the first core being active. Is that expected when using -smp1? The guest OS is Windows XP. The ...
1
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1answer
173 views

Apache cpu usage increases over time in large cluster [closed]

I have an odd one that I just noticed yesterday. Over a 24 hour period, the cpu load on our apache machines (16 dual hex core machines) doubles. We handle about 8 billion requests per month, and ...
0
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0answers
173 views

CPU usage rises to 100% in a few minutes on Tomcat web sever

I have an web app running on Tomcat 7 server. The rest of the configuration is: Intel i7 3930 32GB RAM 2x2TB HDD 20TB Bandwidth Debian 6 mysql 5.5.9 I'm using Ganglia for monitoring the load. ...
0
votes
1answer
213 views

SBS Server 2008 with periodic lsass.exe using 100% of 1 Core

SBS Server 2008 with everything running on it (AD/PDC, SQL 2012, FileServer, RDP Gateway, WSUS, No Exchange though). Every 30 minutes on the hour and half hour, lsass.exe uses 25% of the CPU (1 core ...
5
votes
2answers
991 views

CPU allocation for VMs on ESXi

I'm a complete VMware know-nothing, but I recently set up 4 VMs on ESXi. 3 of the VMs are very non-resource-intensive (a lightly used file server, a lightly used domain domain controller, and a VMware ...
2
votes
1answer
421 views

Should CPU usage be so low while memory usage is high on heavy mysql server?

I'm using ubuntu server 12.04 x64. The server receives a lot of requests to mysql through apache web server (it's light interface). From mysql stats I see there is approx 250 queries / second from 8 ...
0
votes
2answers
892 views

High Load, low CPU, Memory and Disk IO - Highend Server

This issue has been bugging me for the past several days having spent over 40 hours investigating this issue intensively. Effectively we run asterisk 1.4.42 which I understand is old, however is the ...
0
votes
1answer
52 views

what will happen if my cpu usuage stays 100% for 30 mins or so on linux server

I have Amazon Ec2 small instance with 1.7Gb RAM. I have 3 websites running on them. I have the scripts which does the web crawling every day and perform some caluclation. I have not deployed them ...
4
votes
1answer
749 views

CPU% more than 100 in ps -aux

We use ps -aux to find out when tomcat process takes high CPU utilization, if that so we will send a alert to Group. But some times %CPU shows more than 100, but our application working fine. Is it ...
0
votes
2answers
458 views

Proper acting when a process is consuming 100% time of CPU

On several machines I have a problem with a process that is using 100% time of a CPU. USER PID %CPU %MEM VSZ RSS TT STAT STARTED TIME COMMAND root 85740 100.0 0.2 34668 ...
0
votes
0answers
89 views

Get an OpenVZ container's cpuload realtime in a bash script

I have a bash script which uses CPU cores rather intensively. Recently my VPS was suspended due to server load. The main reason is a cron job for a bash script which checks for Wordpress plugins and ...
1
vote
2answers
1k views

httpd high cpu usage slowing down server response [duplicate]

my client has a image sharing website with about 100.000 visitor per day it has been slowed down considerably since this morning when i checked processes i've notice high cpu usage from http .... ...
1
vote
1answer
73 views

Debugging high CPU load when adding new domain inside server's control panel

When adding a new domain inside my server's control panel it takes much longer than usual since some time. CPU shows 100% usage on one core and strace reports something like this: poll([{fd=7, ...
0
votes
1answer
66 views

CloudLinux equivalent for Windows

Is there any configuration or software solutions that would provide similar resource throttling per user like CloudLinux does for Linux? We currently run game servers on Windows 2008 OS and the major ...
2
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2answers
3k views

WHM/CPANEL - High cpu and memory usage from Analog Stats

A single process is taking 100% of the cpu and 70% of the memory and starts every day on different account; /usr/local/cpanel/3rdparty/bin/analog +CIMAGEDIR /images/ +CDOMAINSFILE ...
0
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1answer
33 views

MySQL Process Big

Ok, so I don't know if this is a repeat question so I'm sorry if it is (I couldn't find anything like it after searching =/) My server seems to be running what seems to me a larger than normal mysql ...
-2
votes
4answers
194 views

How can I get combined CPU usage for all CPUs in one line on Linux? [closed]

I want to output the following: Average CPU utilization across all cores, over the last n seconds, in a single percentage value. So if I have 4 CPUs and their combined user and system utilization ...
1
vote
1answer
1k views

How to monitor CPU usage on a device running embedded Linux and BusyBox?

I recently began working with a device that uses embedded Linux and BusyBox. It is very stripped down, and does not have iostat or sar. It also doesn't have dpkg or apt for package management. The ...
1
vote
1answer
407 views

CPU Usage vs load average [duplicate]

I'm running debian iostat -x Linux 2.6.32-5-amd64 (server56856.uk2net.com) 27/04/13 _x86_64_ (4 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 4.59 0.01 ...
0
votes
1answer
36 views

How to find out CPU usage of DLLs within an instance of svchost.exe

My Windows Server 2008 R2 should be almost idle, yet it's taking about 12-15% CPU almost all the time. The busy process is an instance of svchost.exe Using SvcHost Process Analyser, I've established ...
0
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2answers
62 views

High Processor Usage

I have a Linode VPS and am getting alerts regarding high CPU usage every few days - a reboot solves the problem - but would rather find the issue. I'm running Ubuntu 12.10 and other than PHP, MySQL ...
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votes
1answer
47 views

How to configure Apache so that I can get server resource stats per website / per script

How can Apache be configured so that it will be simple to get server resource stats (CPU, memory) per website (as defined by a separate sites-enabled entry) and / or by script (each .html or .php file ...
0
votes
1answer
231 views

How can sleeping processes in “top” be using a percentage of CPU?

When we run top we occasionally see a sleeping, "S", process which is using %CPU; I would expect all sleeping processes to use 0% CPU since they are not active. I would expect only running, "R", ...
0
votes
1answer
246 views

Understanding CPU Throttle

kernel /vmlinuz-2.6.32-379.22.1.lve1.2.17.el6.x86_64 ro root=UUID=7cb0b445-0f63-4ef1-ab73-93c114d8ef6c rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto ...
2
votes
1answer
275 views

Apache high CPU usage, setting a overload limit

On a ubuntu server, I run a LAMP environment with APC, and fast-cgi as php mod, to host 2 wordpress sites, and both sites have Wordpress Total Cache (W3TC) plugin configured. The server's specs are: ...
2
votes
1answer
1k views

Why does a mysql query, that requires copying to tmp table, randomly sometimes consume 100% CPU during several seconds?

I have some crazy SQL queries in my PHP scripts which badly need some optimization. However the question is NOT about how to optimize them. These queries have a lot of "join"s and some bizarre "order ...
0
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2answers
77 views

When upgrading hardware to increase program performance, which should I consider first CPU, RAM or both? [duplicate]

I have a simple script that I wrote in PHP (which, after reading lots of QAs seems to have less than desirable memory management). It's an extremely small script that loops through configuration ...
0
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1answer
1k views

iexplorer.exe high CPU/RAM usage

My client has a virtual Server 2008 R2 terminal server running under ESXi 5.1. This server has, which been in production for around 4 months, experiences intermittent slowness / non-responsiveness ...
1
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1answer
363 views

Two CPU cores at 100% utilization after soft lockup on two CPUs, is this normal?

I had two of my CPUs lock up on one of my servers. From dmesg: BUG: soft lockup - CPU#1 stuck for 23s! [vmx-vcpu-0:6148] and later: BUG: soft lockup - CPU#2 stuck for 23s! [vmx-vcpu-0:6148] I'm ...
0
votes
1answer
197 views

CPU load steadily increasing and MySQL 1.5 GB open deleted file in temp directory

I have a CentOS server that is running cPanel (shared hosting server), I have had troubles with MySQL before and I spent some time configuring and tuning it, until finally the load dropped (from ...
0
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3answers
991 views

Windows Server 2008 task manager shows not more than 25% cpu usage for a process, how to increase this value?

Is this a feature or limitation compared to ordinary single user Windows 7/8? Is there a way to give one user access to say 50, 75% of overall cpu resources for running a software/process?
0
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3answers
55 views

Finding the file/script that invoked a process

I do have a high CPU utilization PhP Process. This process in turn seem to invoke mysql and both processes together are using all the CPU cores and RAM using ps aux | grep php , i could get the ...
4
votes
1answer
119 views

mongo and app server cpu

The beginning: We are using uwsgi and I decided to switch our configuration to use more workers/processes. Why: We have been seeing a traffic increase lately and in my tests with apache benchmark, ...
0
votes
2answers
516 views

Where is the high load coming from?

Last night I recieved a lot of messages from DirectAdmin saying: load average on your system is 46.86, or some similar number. It comes with a 'top' printout, but all I can tell from that printout is ...
-3
votes
2answers
267 views

CentOS log high cpu usage [closed]

I have a CentOS server running on a VPS via Virtuozoo containers. I feel like there are high CPU usage spikes. Is there a way I can log every time CPU usage goes beyond a certain limit lets say 50%. ...
0
votes
1answer
495 views

Linux Load Averages and HyperThreads

My rough understanding of a Linux load Average is that for every integer a CPU core is working all the time. EX 1 means on a 4 core system that 1 core is working at capacity. How does HyperThreading ...
0
votes
1answer
506 views

Which Apache parameters responsible for high CPU usage and slower response?

Two dedicated separate servers running with identical configuration of hardware (Dual E5-2620 32GB) in similar environment (CentOS 6.3, Apache+PHP+MySQL) serving similar tasks, but behaving in ...
0
votes
1answer
60 views

High mysql throughput / cpu utilization

Once in a while, our server starts lagging. It always start around 6:00 ( GMT + 1) in the morning and ends around 3 till 4 hours later. We have munin installed and we see a peak in CPU utilization ...
1
vote
3answers
1k views

Why Are My High CPU Processes Located In /usr/bin/?

I keep getting RAM and CPU spikes but I can't figure out where it is coming from. If I look at the Process manager, I see, /usr/bin/php /home/hellohel/public_html/index.php Repeated several times. ...
2
votes
2answers
320 views

Does Apache2 run faster if I have more CPU?

I have a cloud server, with: 5120 RAM and 4.6Ghz My question is: if I add more CPU, (11.5 Ghz) will the load time of the pages be higher? I mean, is this always gradual? More CPU = faster pageload? ...
1
vote
1answer
850 views

How can I log the most CPU-Intensive processes in regular intervals?

I have a server which is idling below 5% cpu load most of the time, except from a few times a day where I can see some minor cpu spikes. I found out about this by using PRTG. How can I find out what ...
0
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0answers
106 views

cannot find high load cause

I cannot find high load cause. CPU usage is not high. Maybe disk is causing high i/o, but disk utilization is not that high too. The peaks around 4:30am is backup time and not that important.
1
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2answers
1k views

What is causing high cpu usage? [closed]

My host says that I'm using too much resource and I don't know what's causing it. It is running Ubuntu 10.04 LTS 32bit. It has 2GB RAM with 2GB SWAP. I run nginx as the webserver with php-fpm & ...
0
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2answers
416 views

Amazon EC2 - how to determine how busy each CPU is

I have an Amazon EC2 micro instance. I believe that this is 1 core (or 2 for periodic bursts) with 4 CPU's. I'm getting confused with the terminology (ECU vs CPU vs Core) but really I would like to ...
-1
votes
2answers
1k views

ntvdm.exe is using a lot of CPU

One of my servers is a Windows 2003 Enterprise Edition SP2. Usually there are up to 14 people logged in during all day. They use regular programs like Office 2010 or any internet browsers and a couple ...
1
vote
1answer
258 views

How do I decide what type of hardware to use for a firewall? [duplicate]

Possible Duplicate: Can you help me with my capacity planning? What are the hardware performance requirements to set up a PFsense firewall on my gigabit Ethernet network? Is ...