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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apache high system CPU time

I have a web server: ubuntu apache+php app+postgresql and a stats server: ubuntu apache+php - piwik and munin2 installed. The communication for munin2 is made through ssh. In munin i see a lot of system cpu activity, that I assume it it because of…
jperelli
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Current Load is WARNING - why?

On a VPS with 1 CPU core and 2GB RAM, I run a mysql+apache2 for a low traffic website. Sometimes the machine slows down or stops delivering through apache or mysql. That's why I set up nagios which is sending me alerts like "Service Alert:…
ledy
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Configuring ZenOSS to monitor CPU load

I'm trying test out monitoring tools for a network at work with a coworker but neither of us have ever used an sort of monitoring tools before. Currently we are experimenting with ZenOSS and having some difficulties. We want to populate our CPU load…
Tom
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Monitoring Redis and mysql server for memory and cpu usage

I want to compare the memory and cpu usage of the the redis-server and the mysql-server. I have used a profiler to get the client data but I would also like to know what is going on on the servers when I execute queries. Do you know a tool that I…
x_maras
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CentOS5.2 Two Quad Core CPUs - Load Average Going Crazy

My normal CPU load average is less than 1.0. However, once in a while for some unknown reasons, the CPU load average shoots up to 23.21, even though the connections and processes running are the same as the normal condition. I am unable to root…
Ketan
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Please help me reduce high CPU load, Wordpress website

I have a dedicated server. Ever since I upgraded Wordpress to latest version from 2.8.4, I see very high CPU usage. Also I updated the plugins. I use wp super cache. Compression enabled, cache expires in 10 days. More than 45,000 posts. Memory usage…
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Apache/Passenger and cpulimit

I run a ruby on rails site that processes email - the email is dumped directly into the web app via a POST from postfix. At times I can get a burst of email coming in causing a prolonged surge in CPU usage making my VPS provider understandable…
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Munin: Graph not plotting one label

I have set up munin to monitor EC2 instances. Now my CPU usage graph (using the unmodified cpu plugin) looks like this: The problem is that the "iowait" parameter is returned correctly (see text below the graph), but it is never plotted. On other…
j0nes
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Django/MySQL/Memcached for 10K user visitors

I'm currently using CentOS (512 RAM, Dual-core CPU) for my website. Here are the specs: Django 1.3.1 Python 2.7.2 Apache 2 with mod_wsgi 3.3 MySQL 5 (about 5,000 records) Memcached (120 MB for running) Nginx for serving the static content When my…
anhtran
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High CPU load on QNAP TS-659

We have a QNAP TS-659 Pro+ Turbo NAS in our office. Its hardware/software is: 6x SATA II HDD (total 4.5 TB) Intel Atom D525 1.8GHz 1GB DDR2 Firmware - 3.5.2 Build 1126T (latest available) Linux 2.6.33.2 Most of the time it works fine but after 1-2…
martin
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kblockd and kjournald high cpu

I have a server that has 5 GB Ram and 3k MHz quad core CPU. It runs CENTOS 5 and usually worked ok. For a month or so I've been having problems with it, the load average raises above 4 and parts of it are starting to fail (like the mail server) and…
Virgil Balibanu
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SAR statistics on CPU usage

i have Ubuntu server with 2 processors. top command show that mysql eats up to 195%. sar shows the following: 08:30:59 AM CPU %user %nice %system %iowait %steal %idle 08:31:00 AM all 75.12 0.00 0.00 0.00…
ravnur
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How to calculate CPU utilization of a host that VM can take before deployment based on the VM template information?

I am trying to figure out based on the VM template information like NAME = vm-example CPU = 2 MEMORY = 1024 DISK = [ type = swap, size = 2048, readonly = "no" ] How can I calculate the load it have on the host before deploying it…
chail
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How to know what is consuming the CPU on my Ubuntu Lucid server running in Linode instace?

I've a Lucid 10.04 instance running on Linode which is hosting a simple rails3 app. Now I'm getting several email complaining the CPU usage almost 100%. But I'm not being able to figure out what is eating up the CPU. So, is there any way out to…
millisami
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Citrix XenApp slowness on ESX 4

I need some help with a some CPU constraint issues( i think) diagnosis. I have a client with a Citrix Xenapp farm (5 desktop servers/9 Application servers) spread accross 12 ESX hosts running ESX4.0. All Citrix servers, desktop and application…