0
votes
0answers
54 views

high mysqld cpu usage after moving to new server

Just moved to a new (more powerful) server with only one website running on it, no changes on the website, but now I got a horrible high CPU load and I can't find out why. top: top - 22:54:08 up 1 ...
-1
votes
1answer
109 views

Apache 100% CPU for simple PHP API

I have a new server install of CentOS 6.4 64bit on a VM with 2 cpu and 8gb of ram. The server has nothing installed other than apache and php. The server is hosting a simple web API that writes data ...
0
votes
2answers
702 views

High Load, low CPU, Memory and Disk IO - Highend Server

This issue has been bugging me for the past several days having spent over 40 hours investigating this issue intensively. Effectively we run asterisk 1.4.42 which I understand is old, however is the ...
0
votes
1answer
52 views

what will happen if my cpu usuage stays 100% for 30 mins or so on linux server

I have Amazon Ec2 small instance with 1.7Gb RAM. I have 3 websites running on them. I have the scripts which does the web crawling every day and perform some caluclation. I have not deployed them ...
0
votes
1answer
178 views

CPU load steadily increasing and MySQL 1.5 GB open deleted file in temp directory

I have a CentOS server that is running cPanel (shared hosting server), I have had troubles with MySQL before and I spent some time configuring and tuning it, until finally the load dropped (from ...
-3
votes
2answers
246 views

CentOS log high cpu usage [closed]

I have a CentOS server running on a VPS via Virtuozoo containers. I feel like there are high CPU usage spikes. Is there a way I can log every time CPU usage goes beyond a certain limit lets say 50%. ...
2
votes
1answer
235 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 ...
0
votes
1answer
2k views

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 ...
4
votes
4answers
2k views

CentOS - High CPU Usage at a particular time in the night

I have a CentOS-5 server that has very little load. A typical output of "sar" command shows like this: 02:20:01 PM CPU %user %nice %system %iowait %steal %idle 02:30:01 PM ...
1
vote
2answers
270 views

Making processes lower priority. Niceness isn't seeming to cut it

I run a game server. Every 12 hours or so we have to generate a map of the server for our website. The process takes about 20 minutes and burns the CPU hard the entire time, which lags my game server. ...
0
votes
2answers
378 views

Linux: CPU usage artificially capped somehow?

This is the CPU usage graph of a server: It seems that the CPU usage reached a hard limit at 24. This is a 32-core server so it should be able to go beyond 24 with ease. But that's not the case. ...
1
vote
3answers
2k views

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 ...
0
votes
0answers
545 views

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 ...
1
vote
3answers
506 views

Limiting maximum cpu time for user-launched programs

We have a cluster running CentOS with Sun Grid Engine for research simulations. However, some users who aren't too familiar with the system end up running jobs on the head node, which of of course ...
0
votes
1answer
1k views

CPU load on CentOS Plesk server between 50-100% but processes only add up to around 10%

I've got a CentOS based Plesk VPS which keeps on slowing to a crawl. I checked what was happening with top, and found my load averages seem to be frequently spiking to very high numbers. After ...