0
votes
2answers
66 views

Jetty Server High CPU Load

Sometimes jetty loads our server for 100% - every thread for 100% of 1 core. We have jetty 9 and JDK 1.7 (at Jetty 6 and JDK 1.7 - this doesn't appears). Jetty now running on default settings, ...
2
votes
1answer
285 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
60 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 ...
0
votes
1answer
58 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 ...
3
votes
2answers
255 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 ...
0
votes
2answers
214 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?
11
votes
10answers
5k views

What creates CPU I/O wait but no disk operations?

I have CPU I/O wait steady around 50%, but when I run iostat 1 it shows little to no disk activity. What causes wait without iops? NOTE: There no NFS or FUSE filesystems here, but it is using Xen ...
0
votes
1answer
593 views

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 ...
3
votes
1answer
320 views

Getting CPU steal times on Ubuntu 11.4 Virtual Box

I'm trying to check on CPU steal times in a virtual machine. The goal is for me to be able to detect if my app is running in a VM on over-committed hardware. I'm currently just testing, in ...
0
votes
3answers
749 views

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 ...
3
votes
1answer
344 views

Truecrypt - disk stops reading/writing with regular intervals (Ubuntu)

I am running Ubuntu Lucid with a raid0 setup Intel Xeon X3440 - 4x (2x 2.9GHz) 16GB RAM I got a 1.9TB truecrypt7.0 file container with AES located in my /home (where raid is). When testing ...
0
votes
2answers
250 views

Idle server with load ~1.4

I've started a server from Scalr's AMIs. Top shows me ~1.4 constantly. I expect it to be 0 as in all the previous servers I worked with. The server runs mysql 5.1 on ubuntu-10-04 Below you can find ...