0
votes
0answers
104 views

CPU *forced* to be almost 100% idle?

Yesterday the load on my Ubuntu Server (Ubuntu 12.04.3 LTS (GNU/Linux 3.8.0-33-generic x86_64)) went up to above 2.0 after restarting it. At the same time the CPU seems to be idle only (I could even ...
1
vote
0answers
63 views

How to investigate scheduler issues?

I have a server process that should runs multiple threads at close to 100%, each on its own CPU. When I run the process on a RHEL box, the CPUs in question appear to stay pegged at 100%, according to ...
3
votes
1answer
799 views

How can I get instant CPU load values?

I have made a server-client application in which based on CPU usage and load conditions it serves a file request to user. I am using /proc/loadavg values for this . But this utility gives values ...
2
votes
1answer
207 views

Insane load average after reboot

After doing a reboot of Ubuntu server 12.04 LTS (after an apt-get dist-upgrade) my server load (on a 16GB) machine goes insane (around 80) for about 10 or 15 minutes The only things I can think of is ...
1
vote
1answer
1k views

How to use cpulimit on ALL cron jobs?

Using Ubuntu Server an AWS micro box, so if the cpu utilization spikes AWS will virtually kill the CPU for the box (for about 30 sec). nice doesn't solve the problem, but cpulimit does (I use it in ...
4
votes
5answers
6k views

Init process at 100% CPU usage

I have a Ubuntu x64 machine on a OpenVZ VPS account on a QuadCore processor with 1GB/2GB(burst). A few days ago I've managed to successfully update it to 11.10 Oneiric Ocelot. There's only one ...
1
vote
3answers
3k views

rsyslogd using 197% CPU for the past few days

I'm running Natty server on the rackspace cloud and rsyslogd as been churning away usin 197% CPU (quad core machine I believe) for the past few days. Is there anything I can do to figure out what is ...