The central processing unit (CPU) is the portion of a computer system that carries out the instructions of a computer program, to perform the basic arithmetical, logical, and input/output operations of the system. The CPU plays a role somewhat analogous to the brain in the computer. The term has ...
0
votes
3answers
70 views
find Intel Processor Number for my cpu in linux
How to find out the Intel Processor Number for my CPU model on linux ?
I bought a server from a webhosting company and I don't know which CPU model it has. I only know it is a Pentium D , dual core. ...
-4
votes
0answers
37 views
Questions related to CPU [closed]
I'm not sure where-else I would ask this question, so I asked it here. Sorry if this isn't the right place.
I recently bought this XPS laptop with i7 Quad Core. It is 2.4 Ghz, upto 3.5 Ghz with ...
-1
votes
0answers
30 views
How to choose a web server [closed]
I am about to buy a new server at 1and1 and I am not sure witch one to choose, either the SERVER 4 or SERVER 4i
Please check the specification on this link
http://tinyurl.com/server1and1
The ...
0
votes
2answers
40 views
Tomcat thread consumes maximum CPU
We have a Tomcat 7.0.21 server running on OpenJDK Server VM (20.0-b11 mixed mode). The webapp runs well for usually several hours or days after startup - typical CPU load is 1-2%.
At some point, the ...
-3
votes
1answer
33 views
Server configuration notation
What is the industry standard to specify Virtual machine configuration in a summary format?
I have seen notations like these:
4 CPU x 8 GB RAM VM
-1
votes
0answers
43 views
How to make CPU a bottleneck [closed]
I would like to learn more about how CPU works. I would like to do so by doing the following:
Write a small function (in Python, or could do it using mysql)
Execute the function multiple times until ...
1
vote
3answers
290 views
Is there a way to automatically restart MySQL, if it takes up too much processing power?
Due to some bad scripting on my part, MySQL sometimes goes haywire - taking up a lot of CPU power (load average of more then 20 - I only have 8 cores)! When I restart it is all good again.
So my ...
2
votes
2answers
77 views
Very high CPU and low RAM usage - is it possible to place some of swap some of the CPU usage to the RAM (with CloudLinux LVE Manager installed)?
I had to install CloudLinux so that I could somewhat controle the CPU ussage and more importantly the Concurrent-Connections the Websites use.
But as you can see the Server load is way to high and ...
0
votes
1answer
18 views
Multiple rdpthread.exe Processes Using 100% CPU
I have recently created a new virtual machine (running on VMWare ESXi) running Windows Server 2008 R2. I have noticed that the machine has been running slowing and looking in Task Manager I see about ...
0
votes
0answers
27 views
Phenomenon when there is intensive I/O operation the whole system freezes?
I've payed attention to a pattern that I've observed though out the years on development machines (common hardware, Intel motherboards).
When I cause heavy I/O operations that whole system becomes ...
0
votes
0answers
57 views
Disk or CPU/RAM failure ? I can't figure it out
i'm having big trouble accessing my production servers (runnung xen); i recently bought brand new Western Digital (WD5000AAKX 500Gb) drives to replace the old drives; re-installed the system as it ...
0
votes
1answer
37 views
lighttpd CPU utilization fails to decrease when load reduced
I have a lighttpd server which easily handles about 800 concurrent connections. But there seems to be a problem:
When the number of users grows, the CPU utilization grows as well, until a limit is ...
1
vote
3answers
87 views
I/O rate and CPU Eating up Server making terribly slow site
My server (Ubuntu 10.04 Lucid LAMP Stack) on linode (1024MB ram, 40 GB storage, 400 GB Transfer) is loading terribly slow. My site (WordPress) is relatively small (1.5 Gigs of mysql) and gets around ...
0
votes
1answer
72 views
Can VMs be as reliable as physical machine for performance testing? [closed]
Our team is trying to do performance testing. So they asked me to prepare a VM with 4 cpu and 12 GB RAM. (Our server is R710 which has 48 GB RAM. we are using ESXi 4.1)
That server is already having ...
-2
votes
0answers
70 views
EC2 with lots of ffmpeg, which instance is right for me? [closed]
I have an application that does a lot of ffmpeg processing. I currently run it on EC2 small instance and it is really slow.
I checked ffmpeg in Activity Monitor (on Mac) and can not say, that it ...
0
votes
2answers
67 views
debian zero cpu usage on process stat
I use debian linux debian 6 (Linux 2.6.32-5-amd64 on x86_64) and if I query the process stat list (ps or top) every process has zero cpu usage. If I query the apache stat there is also zero cpu usage.
...
-4
votes
1answer
50 views
Intel Core2Duo E8200 vs Intel Xeon 3040 for 24/7 working [closed]
we want to buy used computer/server for our company. It wil be used for web page and as mail server.
We get offer:
No Workstation
CPU: Intel Core2Duo E8200
RAM: 2GB
FAN: zalman
or
HP ProLiant ...
1
vote
2answers
122 views
Linux Scheduler (not using all cores on multi-core machine) RHEL6
I'm seeing strange behavior on one of my servers (running RHEL 6). There seems to be something wrong with the scheduler.
Here's the test program I'm using:
#include <stdio.h>
#include ...
1
vote
1answer
66 views
How does Oracle Database Standard Edition (One) benefit from running on a dual CPU server?
I am evaluating the impact of additional CPUs on Oracle database performance.
I am looking to license Oracle Standard Edition One (SEO, being most cost effective) or Oracle Standard Edition (SE). As ...
-1
votes
1answer
55 views
Is PostgreSQL database optimised for any particular CPU?
This question may sound strange, but some CPU have instruction sets for virtualisation technologies, while some non-related software can use those sets, or even GPU to improve their performance.
So, ...
3
votes
3answers
67 views
Windows time command equivalent
There is a command in Linux that outputs system utilization called time. Is there a Windows equivalent? Or how else can I manually use the task manager commands in a batch file?
-1
votes
1answer
136 views
monitoring services, CPU, memory remotely on a Windows server machine
I'm looking for a tool that is able to (remotely) monitor CPU and Memory in a Windows server but most importantly, which service/process is using it.
Or-- is it possible to monitor a specific running ...
2
votes
1answer
113 views
I/O and CPU differences between dedicated hosting and Amazon EC2
I'm looking to run a high population Minecraft server (150+ players online at a time). For those unfamiliar with the Minecraft server, it is a (non-multithreaded) application written in Java (some ...
0
votes
1answer
324 views
TrustedInstaller.exe Takes a lot of Memory in Windows Server 2008
Apart from taking a lot of CPU, TrustedInstaller.exe also take huge memory in my Windows server 2008. Any solution for this issue? BTW, Windows Update Service should be started definitely.
3
votes
0answers
147 views
Amazon EC2: how to find out detailed CPU usage?
I am running several EC2 instances, and I want to know the exact work my CPU is doing. On "normal" machines I am doing this with munin and its CPU plugin which looks at the statistics provided by ...
0
votes
1answer
110 views
top command occupied high cpu usage
My system is SUSE 10 and I observe that top occupies 57% CPU usage when I use it.
I don't have too many processes:
ps -eLf | wc -l
106
Here are top's stats:
cat /proc/2913/stat
2913 (top) R ...
-2
votes
1answer
45 views
Difference in performance boost between “increasing RAM” and “increasing cores” for a Nginx-VPS [closed]
What performance boost do we get by
increasing RAM only
increasing CPU cores only
to an CentOS VPS running NGinx
11
votes
10answers
2k 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 ...
13
votes
6answers
844 views
Do Dual CPUs Provide Fault Tolerance?
Let's say I bought two Intel Xeon's and installed them into server class hardware... If one CPU failed would the other still function and pick up the slack, therefore providing fault tolerance?
This ...
-1
votes
2answers
149 views
Replace CPU of HP server
Suppose we have a problem with a processor or would like to replace to a more powerful one. Is it possible? I found one article that explain the process for DL385 but not sure if this is only for a ...
3
votes
2answers
233 views
Windows Server 2008 R2 CPU usage and Physical CPU
I've got a server running with dual quadcore processors (2 x Intel Xeon L5609), with Windows Server 2008 R2 Standard edition running on top.
The Windows Server Editions Comparison Guide shows that ...
-1
votes
1answer
77 views
which Xeon CPU series is better? [closed]
I tried to read the series number?
There are 5600, 5500,E3,E7, 7500, 3400, Opteron 6000, Opteron 4000 etc
So which one is better?
And within each series, is that the higher the number the better? ...
2
votes
2answers
62 views
Optimal number of threads for compute-intensive task on server with Hyperthreading
When running a compute-intensive task on a server with an Intel i7 quad-core processor with Hyperthreading, is it ideal to run eight threads (for the eight virtual cores), or only four (for the four ...
2
votes
2answers
111 views
Linux load averages and possible danger?
I have an box I built out of some parts I have around my office.
I used an old Intel Core CPU (not core2) @2.0ghz with 2 cores.
The box is running Ubuntu 11.10 64-bit server edition, it serves as my ...
1
vote
1answer
59 views
Server Processor Selection Criteria & Profiling
We are purchasing a server to run various Bioinformatics software packages. The main package on our test machine is multi threaded and is totally CPU bound, the IO & RAM are not limiting ...
-1
votes
1answer
62 views
Do AM3 sockets support AM3+? [closed]
I am looking at upgrading my CPU. My motherboard supports AM3, and the CPU that I am looking at is AM3+.
So my question is, do AM3 sockets support AM3+ CPUs?
My motherboard is a ASUSTeK ...
0
votes
3answers
113 views
CPU context switch per/second increasing with network traffic increasing
I have server with ubuntu server operation system, i have some applications on it which works with network. With an increase in network traffic, CPU context swithching and interrupts are also ...
0
votes
2answers
141 views
Load Average cpu linux server
i have a problem with the load average on server,
I'm using on server
When I check the processor - with "top" command
I see that :
top - 04:27:37 up 39 min, 1 user, load average: 0.78, 0.77, 0.77
...
0
votes
2answers
190 views
Force a process to use a particular cpu core? [closed]
Possible Duplicate:
Is it possible to limit a Linux process so that it can only run on a particular core on a particular machine?
I would like to know how can I bind a process to a ...
3
votes
2answers
151 views
Why does a CP command on linux consume CPU?
I just run a copy command for two large directories with a small number of huge files and I see my cp process is consuming around half a core in top:
51116 root 20 0 110m 876 688 D 43.9 ...
0
votes
1answer
120 views
What is the difference betwwen two Xeon CPUs with stepping 11 and 7?
Would you please explain me what kind of differences between these two CPUs have:
1)
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : ...
-1
votes
1answer
55 views
Where is a TCP/IP connection established?
When a TCP/IP Connection is established, is all handled at the network interface (NIC) level or does it also hit the OS kernel?
If so, is it expensive to the CPU (in terms of CPU cycles)?
3
votes
1answer
96 views
Why do server vendors always ship them with disabled hardware virtualization support? [closed]
Possible Duplicate:
Enabling hardware virtualisation BIOS; anything to beware?
This, which seem to be common practice for all hardware vendors, has been bugging me for a while: why is ...
0
votes
2answers
76 views
Top not showing processes using CPU resources
I have this output from top for the top 10 processes sorted by CPU usage descending:
top - 11:19:58 up 1:46, 2 users, load average: 3.22, 3.48, 3.34
Tasks: 66 total, 5 running, 61 sleeping, ...
0
votes
2answers
150 views
What to do when the server load over 1.0?
I noticed in cpanel that server load over 1.0 sometimes and that causes my website to take a long time to respond!!
I am wondering now what to do. Should I limit access to my website through ...
0
votes
1answer
102 views
Best upgrade option for socket LGA771 Intel platform?
I've got a dual CPU Intel Dual-Core Xeon E5140 system. What's my best option to max the system performance-wise by CPU upgrading. It's an IBM server with LGA771 sockets. It's meant for typical LAMP ...
1
vote
2answers
416 views
lm_sensors reports wrong temperature on Supermicro X8DT3?
Here's my system info:
System Information
Manufacturer: Supermicro
Product Name: X8DT3
Version: 1234567890
Serial Number: 1234567890
UUID: 3EFC338F-2038-F257-3B5E-0025902BF938
...
3
votes
2answers
133 views
Why data sending is heavier for CPU than data receiving?
I have a Samba server configured in my PC.
When other PCs in LAN download data from the server, top command shows smbd occupies 75% CPU.
While they transfer data to the server, top command shows smbd ...
0
votes
1answer
63 views
APIC error on CPU1: 60(60) in dmesg what does it mean?
APIC error on CPU1: 60(60) in my dmesg log. What does it mean? Should I be worried! Is this some hardware issue?
2
votes
4answers
184 views
CPU - Virtualization Technology (Intel VT) in a Laptop [closed]
I have a Dell laptop I bought in 2006 and it has Virtualization Technology option in the BIOS.
My CPU is an Intel T7200.
For me, the VT option is used to use ESXi or Hyper-V on a machine, but on a ...
