The tag has no wiki summary.

learn more… | top users | synonyms

0
votes
2answers
466 views

Proper acting when a process is consuming 100% time of CPU

On several machines I have a problem with a process that is using 100% time of a CPU. USER PID %CPU %MEM VSZ RSS TT STAT STARTED TIME COMMAND root 85740 100.0 0.2 34668 ...
0
votes
2answers
62 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
2answers
613 views

Monitor memory and CPU usage per website

The Plesk panel associated with my Linux RHEL5 server reports the CPU, memory and disk space of the server in real time although it's not possible for me to find out which websites are consuming most ...
4
votes
1answer
125 views

mongo and app server cpu

The beginning: We are using uwsgi and I decided to switch our configuration to use more workers/processes. Why: We have been seeing a traffic increase lately and in my tests with apache benchmark, ...
2
votes
1answer
459 views

How to trace high CPU Apache process to particular virtualhost

Looking at the output of top I notice that intermittently there are one or two Apache processes consuming a high amount of CPU - anywhere between 50% - 90% The spikes in CPU usage come and go quite ...
1
vote
1answer
194 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 ...
1
vote
1answer
553 views

Limit CPU usage by Apache processes

I know there is a nice mod called mod_loadavg, but it seems it doesn't work with Apache 2.2.22. Can you tell me what else should I use ?
1
vote
1answer
387 views

Mysterious per-session CPU limiting?

TL;DR: CPU-hungry processes are sharing cores on a multi-core server while other cores sit idle, whereas I expect the Linux scheduler to distribute jobs evenly across cores. What could cause this ...
1
vote
1answer
74 views

CPU spiking in Win2003 server with High NDM activity

We have a Win2003 server, where we receive files through NDM and at any time, we would be receiving 6 files from different sources. The CPU on this server is always > 95%, which causes all the ...
1
vote
1answer
408 views

Debian (Lenny) X2Go Client with 50% CPU

My x2Go Client uses too much cpu power, more than 50% all the time, even when I don't have an open remote session. Does anybody know how to check where the error (?) is located? Thanks
0
votes
1answer
64 views

server using too much cpu with nginx and gzip enabled

I have magento website on dedicated server. I decided to use gzip to save ban-with for magento websites and wanted to load them faster. But now server is using %250 more cpu if I click on a category ...
0
votes
1answer
60 views

Why does Apache split up the CPU for www-data processes out of 100 or 200?

It seems like Apache always splits up the CPU usage for www-data processes out of 100 or 200. Why is this? For example, one www-data process = 100% CPU usage: http://i.imgur.com/mfRuOSm.png Four ...
0
votes
1answer
329 views

VPS CPU usage very high

I just switched my hosting to a VPS. I will admit that server admin is something I am very very new at. Anyhow, I am getting repeated emails about my server load exceeding 100% so i clearly need to ...
0
votes
1answer
96 views

High CPU usage in RHEL machine

I have RHEL machine that runs postgres-9.1 database. In a particular time, sar output shows as follows: Refer link for snapshot: http://imgur.com/gKcOhOX,vNwTpwC#0 where as %user is high between ...
0
votes
1answer
86 views

Where should I start to try and debug a CPU spike and timeout when logging in to a Moodle site?

apologies for the newbie nature of this question .. I am a web developer though don't have too much experience maintaining servers or debugging and fixing performance issues. I have a Moodle site ...
0
votes
1answer
282 views

12.04 Migration Process time delay

We have an issue in our server that is the migration process in taking time and also the load in the server is getting high due to that. No LSB modules are available. Distributor ID: Ubuntu ...
0
votes
1answer
33 views

MySQL Process Big

Ok, so I don't know if this is a repeat question so I'm sorry if it is (I couldn't find anything like it after searching =/) My server seems to be running what seems to me a larger than normal mysql ...
0
votes
1answer
36 views

How to find out CPU usage of DLLs within an instance of svchost.exe

My Windows Server 2008 R2 should be almost idle, yet it's taking about 12-15% CPU almost all the time. The busy process is an instance of svchost.exe Using SvcHost Process Analyser, I've established ...
0
votes
1answer
252 views

Understanding CPU Throttle

kernel /vmlinuz-2.6.32-379.22.1.lve1.2.17.el6.x86_64 ro root=UUID=7cb0b445-0f63-4ef1-ab73-93c114d8ef6c rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 crashkernel=auto ...
0
votes
1answer
516 views

Which Apache parameters responsible for high CPU usage and slower response?

Two dedicated separate servers running with identical configuration of hardware (Dual E5-2620 32GB) in similar environment (CentOS 6.3, Apache+PHP+MySQL) serving similar tasks, but behaving in ...
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 ...
0
votes
1answer
304 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 ...
0
votes
1answer
568 views

How do I troubleshoot high vmstat sy

I have a Solaris server with very high vmstat sy time. What tools can I use to identify which process is causing the high system cpu usage? kthr memory page disk ...
0
votes
1answer
188 views

Windows 2000 Domain Controller CPU running at 100%

We are running a Windows 2000 Server as a domain controller and file server. 2 weeks ago, the machine was running fine. Then, after a power-outage and a restart, the machine became sluggish and ...
0
votes
1answer
212 views

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 ...
-1
votes
1answer
74 views

Using SNMP to retrieve CPU Idle, User and System, Raw Information 32 bit counter

I am using snmpget to retrieve raw information from: ssCpuRawIdle.0 ssCpuRawUser.0 ssCpuRawSystem.0 As I understand they are on 32 bit counters. I also use ifOutOctets and ifInOctets to retrieve ...
-1
votes
1answer
49 views

How to configure Apache so that I can get server resource stats per website / per script

How can Apache be configured so that it will be simple to get server resource stats (CPU, memory) per website (as defined by a separate sites-enabled entry) and / or by script (each .html or .php file ...
-1
votes
1answer
361 views

Cpu usage from top command

How can i get the result like example following. Any command or scripts? Snapshot u1234 3971 1.9 0.0 0 0 ? Z 20:00 0:00 [php] <defunct> u1234 4243 3.8 0.2 64128 43064 ? D 20:00 0:00 ...
-3
votes
1answer
41 views

Comparing “user time” for same operations on different cpu

In my accounting system i limit using cpu-time by user. But on servers with different cpu's same operation may take different cpu-time. Now i want compare perfomance for my servers to introduce factor ...
-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 ...
3
votes
0answers
132 views

How to investigate the cause of a 100% CPU event that lasted for hours?

Yesterday the CPU on my Xen-based VPS server went to 100% for two hours and then went back to normal, seemingly naturally. I have checked logs including syslog, auth.log and more and nothing seems ...
2
votes
0answers
109 views

Vmware 5.1 ESX linux host cpu keep climbing overtime

I have Debian lenny with php and mysql, in Vmware 5.1 ESX. Cpu keeps climbing over time. After about 50 days, cpu usage is 100% by apache and mysql but it is climbing day by day. If I restart these ...
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 ...
1
vote
0answers
51 views

virsh vcpu_period and vcpu_quota

I have been looking into ways to divide my CPU amongst KVM guests other than by just setting vCPU access limits. I understand the concept of cpu_shares which can be set/displayed with virsh schedinfo, ...
1
vote
0answers
37 views

Monitor CPU utilization for each user

Is there any way to monitor the CPU utilization for each user at regular intervals Currently using the sar command I am able to get the following output: 12:00:01 AM CPU %user %nice ...
1
vote
0answers
72 views

High CPU interupts when CPU usage is very low

I have a CentOS 6 VM running on Win2012 Hyper-v server. This server has 12 processers, 60GB memory, Raid-5 SSD. There's nothing running on the server yet, but it has very high cpu interrupts, always ...
0
votes
0answers
13 views

High cpu usage of Play server when started by monit

When I run "play start" from command line, the CPU load is very light. But when monit starts the program (as the same user), then the CPU usage tends to 100 - 130% all the time! Here is the content ...
0
votes
0answers
26 views

Tomcat reach close to 200% CPU usage even after I stop all applications using Probe

I have a running tomcat that is reaching 198% CPU usage. I though that maybe it was one of its web applications however, I stopped all applications using Probe but the CPU usage did not go down. This ...
0
votes
0answers
37 views

How to Prioritise ssh logins (nice)

Exact duplicate of this question, which has an accepted answer that doesn't solve the problem. How do I set sshd to run with a higher priority, so that even if the system is massively overloaded ...
0
votes
0answers
70 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 ...
0
votes
0answers
33 views

Server usage topped 100% and crashed - how to diagnose and prevent

I'm running a small webserver on Ubuntu 12.04. Last night, the server topped off at 100% cpu usage and crashed. This is unusual as I'm normally around 1-5%. I suspect a DDoS attack from someone ...
0
votes
0answers
60 views

How to solve problematic cpu load due to encryption when using SFTP on a VM

my company is trying offer a sftp service for a big amount of customers. The serving machine will be on a VM and tests have shown that, with an increasing amount of simultaneous users, the cpu becomes ...
0
votes
0answers
103 views

High Mysql CPU usage + high amount of queries

My Root Server is currently warning me that the cpu usage by mysql services is approximatelly higher than 300 % (quad-core) Also the mysql tracking tells me that there are ~2,000 queries per second. ...
0
votes
0answers
62 views

Mysqld high CPU load

I have a lindode 8192. web server is Nginx my cpu usage is between 90% and 500% with minimal traffic. (sometimes none) the culprit is mysqld. i've enabled slow query log and that is empty. ...
0
votes
0answers
185 views

MySQL service takes a lor of CPU (780%)

I have a web server with MySQL and apache2. Server running a blog engine and normally it works fine. Yesterday (this is the second time) MySQL takes high CPU usage (790%) and the server hangs. The ...
0
votes
0answers
180 views

CPU usage rises to 100% in a few minutes on Tomcat web sever

I have an web app running on Tomcat 7 server. The rest of the configuration is: Intel i7 3930 32GB RAM 2x2TB HDD 20TB Bandwidth Debian 6 mysql 5.5.9 I'm using Ganglia for monitoring the load. ...
0
votes
0answers
90 views

Get an OpenVZ container's cpuload realtime in a bash script

I have a bash script which uses CPU cores rather intensively. Recently my VPS was suspended due to server load. The main reason is a cron job for a bash script which checks for Wordpress plugins and ...
0
votes
0answers
108 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.
0
votes
0answers
263 views

ASP classic on IIS7

I have CPU issues with my website. If online more than 1-2 users (small website, not more than 50 users) CPU takes 100%. The process that takes all resources is w3wp.exe - IIS. Can I somehow to ...
-3
votes
0answers
24 views

Apache slow / running high ram memory 250-300mb and high CPU 90-100%

i'm running a Windows 2008 RT dedicated server with Apache 2.4.4 win32 / Php 5.3.13 | Mysql 5+. 4gb of RAM | Xeon X5650 2.66Ghz CPU | 1gbps output on the web. Far enough to run over 250 web sites. I ...