The amount of processing units of the CPU used to execute a task and how long it takes.
Questions tagged [cpu-usage]
685 questions
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throw memory to a process
I have a process that inserts 10 million records into a mysql db and is running on a linux box with (4 * 2.13GHz processors + 4 gigs of Memory ). Right now it takes ~2 hours to complete and I'm not sure if the process utilizes all the processors.…

dineshbhoopathy
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Daily CPU and memory statistics on Windows server
I have a Windows Server 2008 R2 machine which gets very high CPU and memory load in certain periods of the day. I need an application that creates a 24h log with the CPU and memory usage.
I tried to configure PerfMon to 24 hours use but it has a…

Germstorm
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Unusual CPU usage on SQL 2005 Mirror
We are running a mirror on SQL Server 2005 SP2 Enterprise edition for a few databases. These are running on VMWare with Server 2008 R2. On the mirror server, I see the CPU go up to 50% for about a minute every 10 minutes (on the tens). Here's…

Paul Kroon
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CPU/ memory utilization
WE have a job running very slowly. And I required to produce the analysis of CPU/ memory utilization during that backup.Also need statustics around the database performance for that batch job.
How to do this, please help me on this.
user571248
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svchost.exe runs at 90% CPU, tasklist /svc shows RpcSs is the culprit
I'm running Windows Server 2003 Standard (Much to my distaste), I've applied all the security updates and now I'm stuck with a box that's constantly being hammered by svchost.
The process ID is always around the 700 mark and if I use tasklist /svc,…

Squeeb
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SNMP.exe on a physical server with Windows Server 2003 consistently takes 20% of CPU utilization
snmp.exe takes 20% cpu utilization, irrespective of any other processes running/stopped on the server.
The machine has HP hardware (oops, not IBM)
When we stop the snmp service, the CPU utilization is back to normal. Can anyone help on this please.

whizkid
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Apache CPU usage stays at 100% even when there are no requests
I've been running the Apache HTTP server benchmarking tool (ab) on my new Apache server to test performance. I noticed that with a command like the following:
ab -n 100000 -c 1000 http://www.mysite.com/
The CPU is used 100% by the apache2…

Luke Eller
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Analyzing CPU usage across multiple servers
I am having some load issues with one of my servers, it's running Xen with various guests and with the current 7 it's at its limit.
However it tends to lag every now and then and we'd like to figure out what is causing this.
Is there some kind of…

Not Available
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Does cpu consume power differently while executing instructions and while being idle?
Why does a CPU consume different quantities of power at 2Ghz when
it is executing an instruction
it is not executing any instruction
Should'nt the CPU be consuming same power irrespective of whether it is executing an instruction or not ? (since…

kashyapa
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How does a power graph of a server running a job look like when there is no CPU power management mechanism deployed
Suppose there is no CPU power management mechanism deployed in a server, and i run a job on it and monitoring the power drawn by the server by using a wall power meter, what kind of a profile do you expect when you plot a graph of power vs time ?…

kashyapa
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Bugzilla random lag and CPU usage
Here is the configuration :
Bugzilla (3.4.2) application running on a Ubuntu server 8.04 with Perl 5.8.8.
Here is the problem :
Sometimes (randomly), pages take very long to load. It can be any of the login page or query.cgi page or buglist.cgi...…

Serty Oan
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Ubuntu Linux, interpretation of top command result
I am a newbie to Linux OS and I had trouble on my drupal based sites which had turned out to be really slow. I am using 2 separate servers for hosting and MYSQL. On preforming the top command, I got the following result
top - 06:34:26 up 17:54, 1…

Loveleen Kaur
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% CPU Utilization
From where does the System Monitor calculate its % utilization values?
I need to get those values at a particular instant, to do some rudimentary load balancing.
user54643
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Massive CPU usage spike, How do I find out what causes it?
I have a server running CentOS Linux, and very rarely (maybe once every 3 months) something happens that causes it to have an exceptionally high CPU load (400%) that causes the server to basically freeze up.
The problem I have is that when I reboot…
Dave Johnshon
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OS X Server 10.4 postfix qmngr is suddenly using tons of resources
I have an Apple XServe G5, running 10.4 server, that I use primarily for my (small) companies website and internal email. Usually, the processor usage hovers around 5-10% total. As I have a rather small company and prefer to use my GMail account,…

Chris
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