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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
350 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
956 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
votes
0answers
109 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
vote
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
votes
2answers
438 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
284 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 ...
1
vote
1answer
896 views

How to resolve high CPU + excessive stat(“/etc/localtime”) and clock_gettime(CLOCK_REALTIME) calls

I've been experiencing really high CPU on a ruby on rails app (see stack below) and have been trying to diagnose the possible causes to no avail. Stack: ruby 1.9.3 rails 3.2.6 Apache/2.2.21 ...
-1
votes
1answer
745 views

High CPU Usage in windows server 2003

In one of our production servers the CPU usage is 100% and thus some of the backup jobs failed. In windows server 2003 cms.exe shows : 50%, tomcat_3.exe : 25%, and tomcat_1.exe : 25%. Please help me ...
4
votes
1answer
1k views

VMWare - High CPU utilization on Windows 7 guest VM

I've just added some Windows 7 virtual machines to an existing VMWare vSphere 5.1 cluster. The hosts and vCenter are 5.1 with current updates via Update Manager. Looking at the vSphere client ...
1
vote
2answers
956 views

Excessive CPU Utilization for Bind 9.8.1 `named` processes

I just noticed that named is eating vast amounts of CPU time for a very small network with only a few domains. Can someone help me determine what is misconfigured, please? Or how to debug this. top ...
2
votes
0answers
236 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 ...
3
votes
1answer
566 views

100% kernel load on FreeBSD 9

I'm having problems with a FreeBSD 9 server. One of the 8 cores (4 w/ HT) is constantly at 100% kernel load. top gives me: CPU: 0.0% user, 0.0% nice, 12.5% system, 0.0% interrupt, 87.5% idle ...
6
votes
1answer
827 views

Very uneven CPU utilization with SQL Server 2012 on 2 processor computer with 16 cores / processor

After installing SQL Server Enterprise 2012 with the Server + Cal license model, on a computer with 2 processors each with 16 cores (and no hyperthreading involved) and putting the server under ...
3
votes
1answer
2k views

Disabling CPU management

If I add the following processor.max_cstate=0 to the kernel command line for boot up, does that disable all CPU power management and throttling? I also found: ...
3
votes
2answers
319 views

Uneven CPU core utilization

tl;dr: First CPU core is consistently saturated, all other cores are consistently under-loaded. A VM, inside Ubuntu-based Xen XCP: $ uname -a Linux MYHOST 2.6.38-15-virtual #59-Ubuntu SMP Fri Apr ...
1
vote
1answer
124 views

Will more memory help my CPU-peaking SQL Server 2008 R2

I'm supporting a system running against a SQL Server 2008 R2. The server is a single-CPU box with 8 GB of memory. As traffic has increased, the server has started saturating, peaking to 100% CPU ever ...
1
vote
3answers
140 views

Apache2 return 404 for proxy requests before reaching WSGI

I have a Django app running under Apache2 and mod_wsgi and, unfortunately, lots of requests trying to use the server as a proxy. The server is responding OK with 404 errors but the errors are ...
2
votes
1answer
365 views

Load average relation to cpu threads and cpu cores

Is load average related to CPU ThreadS OR CPU core? i am having a xenon cpu with 8 cores and 16 threads. How much can be the acceptable load average? Sometimes Load AVerage reaches 11. so does ...
0
votes
2answers
267 views

find the cpu usage of a process on Ubuntu?

Is there a way to find the CPU usage of a process on ubuntu combined with the cpu usage of all the child process. And also would it be possible to get this number as a % of the total CPU usage?
1
vote
1answer
2k views

Why does mpstat show different values when I use the interval setting?

Here's the output I get when I run mpstat: $mpstat Linux 3.2.0-30-generic (my-laptop-C650) 09/17/2012 _x86_64_ (2 CPU) 05:32:01 PM CPU %usr %nice %sys %iowait %irq %soft ...
1
vote
1answer
2k views

KVM causes high CPU loaded when cache='none'

I've followed instructions on http://www.linux-kvm.org/page/Tuning_KVM. Host is Debian Squeeze Kernel 3.2, QEMU 1.0, libvirt 0.9.12 (all from squeeze-backport). All 4 guests are Debian Squeeze Kernel ...
0
votes
2answers
2k views

Windows Server 2008 R2: CPU spikes randomly…how can I find the culprit?

On my dual-socket server, I occasionally see that CPU usage absolutely spikes to 100% on all cores for about 5 seconds at random periods during the day. It happens about once or twice a day. The ...
2
votes
1answer
305 views

High CPU usage resulting in server crash

running out of ideas to explore. First off - let me warn you - I'm a programmer, not a systech :) Here is the situation. Dedicated server (LAMP) running a fair amount of sites. mySQL server is on a ...
1
vote
2answers
1k views

High CPU usage resulting in server crash

running out of ideas to explore. First off - let me warn you - I'm a programmer, not a systech :) Here is the situation. Dedicated server (LAMP) running a fair amount of sites. mySQL server is on a ...
1
vote
1answer
551 views

Why is SQL maxing out at 50% of CPU on my EC2 c1.medium instance?

I'm new to AWS, so I think this might be a really simple question: I'm using an EC2 t1.micro instance as my SQL DB server for some small-scale analysis that I'm doing (Windows, SQL Express 2008). It ...
0
votes
1answer
1k views

Single-threaded application being balanced across CPU cores?

Is there an easy way to check whether a certain single-threaded application is being balanced across CPU cores by Windows? I have already tried Process Explorer but I could not find a way to read it ...
2
votes
1answer
252 views

My sql consuming as much as 60% cpu time on start

I'm running a Wordpress installation on an Amazon Ec2 micro instance(linux ami). Using the default configuration Apache kept using up all the memory and shutting down mysql rendering wordpress ...
-2
votes
1answer
139 views

How much time a day my CPU is used by 100%? [closed]

Well, I like to measure the time my cpu is used by 100% (+/- a margin). In other words: I want to know how much time a day my CPU is the bottleneck and I am sitting here waiting for results. I want a ...
-3
votes
1answer
2k views

High Cpu Usage after MySQL Update (5.1 to 5.5) on CentOS 5.8 (64 Bit)

General Problem: Server load 20.92 (8 CPUs) [it varies from 7 to 40, normally it should be less than 1) Server Specs: Dedicated Server Intel Core i7 (8 Cpus) RAM: 8GB We use WHM and we have about ...
0
votes
2answers
641 views

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 ...
-3
votes
1answer
88 views

Apache & Core Usage [closed]

If you have like... 10 cores... and you use Apache and your load average is always under 5.0... Would it slow your site any if you lowered to 6 cores? (assuming you never reached any spikes that ...
0
votes
1answer
1k views

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 ...
2
votes
1answer
497 views

Hyper-Threading & htop/system-monitor

I'm running a large set of simulations on a quad-core Xenon E5520 with Hyper-Threading enabled. My software automatically detects 8 (virtual) cores and launches 8 simulations to run in parallel. ...
1
vote
3answers
3k views

Need help trouble shooting high CPU usage by PHP-fpm

There is a problem that is driving me crazy. After the day I tried to fix the CPU usage problem of my VPS, the CPU load has grown from 60% to 150%, and I have no idea what causes the problem. Please ...
0
votes
2answers
309 views

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 ...
5
votes
4answers
3k views

Graphing per-user CPU usage on a Linux machine

I want to graph (graphical output would be great, i.e. a .png file) the following situation: I have users A, B, and C. I limit their resources so that when all users run a CPU intensive task at the ...
2
votes
4answers
1k views

Hyper-V CPU Utilization, Good Tools? [closed]

I just learned a ton from this post: Host CPU% doesn't include child VM CPU%, specifically I learned that both the 'host OS' and 'child VM' are siblings within the HyperVisor layer. Are there good ...
1
vote
1answer
208 views

How to check gpu usages on aws ec2 gpu instance?

I'm running a ubuntu gpu instance on AWS ec2. I'm not sure if my application is using gpu accelerations. So how to check gpu usages on aws gpu instance?
18
votes
2answers
2k views

Is there a Windows equivalent of Unix 'CPU steal time'?

In order to assess performance monitoring accuracy on virtualization platforms, the CPU steal time has become an increasingly relevant metric - see EC2 monitoring: the case of stolen CPU for an ...
3
votes
3answers
544 views

Running bash script with php under lower priority or limit CPU

I have a bash script which runs a set of php scripts. When it runs it takes an hour and pegs the CPU at 95-99%. This causes our lamp stack (mainly the apache process) problems and our website on the ...
1
vote
1answer
199 views

Apache/PHP Elastic Beanstalk - Track Which Request is CPU Intensive

At certain seemingly random parts of the day, my CPU usage will spike up from ~10% on 1 m1.large to 70% on 4 large servers. This all happens within 20 minutes and stays this way for a few hours and ...
11
votes
4answers
9k views

Linux CPU usage and Process Execution History

Is there any way to see what process(es) caused the most CPU usage? I have AMAZON EC2 Linux which CPU utilization reaches 100 percent and make me to reboot the system. I cannot even login through SSH ...
0
votes
1answer
978 views

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 ...
0
votes
2answers
4k views

How much resources should backup tools be using? ( issues with clBackup )

My hosting provider makes backups of our servers using a tool called clBackup which pushes files over the network. Below is one ps output we took and reported to our provider: top - 10:06:24 up 25 ...
0
votes
1answer
310 views

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 ...
1
vote
2answers
1k views

php-fpm: very high server load

Since today my webserver (nginx + php-fpm + mysql on a VPS) is very slow. htop says: 1 [|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||100.0%] Tasks: 63 total, 13 running 2 ...
2
votes
3answers
255 views

What kind of Windows-based “process accounting” software is available?

Linux has pacct and kernel-based processing. What equivalents are available for Windows? I am aware (and use/recommend) of Process Explorer, but that only tracks real-time stats, with non-portable ...