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1answer
244 views

If SMP is disabled, does that mean I cannot use multicores? Or multiprocessors?

I've purchased a VPS for the sake of dev work, and had wished to install NetBSD under the Xen DomU guest. Unfortunately it is stated that this will work, however will not support SMP. Does this mean ...
2
votes
1answer
215 views

Q9650 vs. i7-870 for Server

One of our dedicated machines we use for hosting in London has exceeded the CPU usage, so I contacted the datacenter last week for a quote on an upgrade. We are hosting game servers, and most of these ...
2
votes
1answer
94 views

VPS Hosting - Mhz vs Core

Not sure if this has been asked, can't find any existing questions. Link me if they exist :) When looking for a VPS, some hosting providers offer X amount of Mhz, while other hosts offer X amount of ...
2
votes
1answer
455 views

IIS 7.5 application pool CPU configuration

I have a web application that when runs on windows 2008 r2 data center edition and when the server is configured with a single core processor consumes 13 mb ram, when configured to run on dual core ...
1
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1answer
235 views

Java doesn't seem to utilize more than two cpus

In my current setup (debian squeeze x64, 6 cpus) neither java nor apache seem to utilitze the full potential of the server. The munin monitoring shows cpu usage never exceeds the 200% mark. We ran ...
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4answers
672 views

Free alternative to NI Real-Time Hypervisor?

Is there an free alternative to National Instruments' NI Real-Time Hypervisor? National Instruments provides both a Windows and Linux versions.
2
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2answers
663 views

How to find out if my debian server setup is a dual core or not?

I have access to root and would like to find out. Thanks
1
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2answers
153 views

Running multiple copies of the script - using cores or simply slowing the server down?

I have a small compact PHP script that monitors a beanstalk message queue on a CentOS 5 server. When it gets a message, it starts to undertake a particular action and once complete, goes back to the ...
1
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3answers
744 views

mpstat not showing all CPUs on CentOS 5.5 (64 bit)

I have two Quad Core XEON processors. When I run "mpstat" then it just shows combine figure of all CPUs like this: 12:16:44 AM CPU %user %nice %sys %iowait %irq %soft %steal %idle ...
2
votes
1answer
215 views

PostgreSQL: sweet spot for core count

I have a few questions re. PostgreSQL. What is the sweet spot so far as number of CPU cores goes? Does anyone know when parallel queries will be implemented? WRT #2, I've seen benchmarks where ...
0
votes
3answers
2k views

Only 1 CPU Core is used in IIS 7.5

I have the following configuration. Quad Core Windows Server 2008 IIS 7.5 4GB RAM 32 bit I have hosted MVC 1 application in this server. But when running this application yields that only 1 CPU ...
0
votes
2answers
637 views

How many cores are available in this case?

We're managing 2 production server. One is RHEL4 and other one is CentOS5. In order to find the load average, I need to determine how many cores the server has got. I used the command $ grep cores ...
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3answers
2k views

How to get Windows Server 2008 VM to use multiple cores

I have a Windows Server 2008 machine running in VirtualBox. On initial installation, only one processor was made available, but now I want to run it as a multiprocessor machine. I have made all four ...
2
votes
1answer
248 views

Format Filename for Process Core Files per Session

Is there a way to change the core filename format per session instead of for the entire machine? On Linux the only way I can find is using sysctl as root: sudo /sbin/sysctl -w ...
2
votes
4answers
2k views

rsync with multi-core server should go faster than it goes. Am I wrong?

I'm launching a rsync simple command between two servers. Both servers have two eth interfaces on bonding. When I send a big file from one server to the other with rsync I reach 130M/s transfer ...
3
votes
1answer
1k views

Many instances of sql express use all the same cpu?

Sql Server Express has the following major hardware limitations that has a consequence on performance: 1 CPU 1GB of memory My question is: if on a multicore machine many instances of sql server ...
0
votes
1answer
108 views

Single server investment for MPI and GridGain

Our department has $16k to buy computer hardware for high performance computation. The purpose is to do simulation and data analysis using multithreaded applications written with MPI or GridGain, so ...
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4answers
1k views

need high performance /bin/sort; any suggestions?

Greetings, I'm looking for a high performance /bin/sort drop in replacement. I know there is pbzip2 for using multiple cores, but is there a similar product for /bin/sort? I've found distsort.sh, ...
2
votes
1answer
359 views

Are Core 2 Quad CPUs interchangeable with Core 2 Duo?

I have some aging Core 2 Duo systems in need of an upgrade. The motherboard combinations are varied so I'm wondering, in a broad sense, are the Core 2 Duo procs interchangeable for Core 2 Quads or do ...
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2answers
1k views

How to make the most of JBOSS in multicore environments

I'm deploying jboss in a multicore system, where I'll have from 12 to 20 cores, and when I run the jboss server, I only see 1 process running, and I feel like it won't use more than one core... Is ...
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2answers
2k views

top in batch mode, need CPU% for every core

I know that after running top, I can press '1' and get a list of the CPUs with their utilization percentages. I suspect I can do this in batch mode too with the -b option, but I don't know how, and I ...
0
votes
2answers
846 views

Multicore license: ESX Vs Citrix Xenserver [duplicate]

Possible Duplicate: Can you help me with my software licensing question? VMware ESX is free for upto 6 cores per CPU only Vsphere Advanced version is required for 12 CPU cores does ...
1
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2answers
172 views

SQL server availability issue: large query stops other connections from connecting

I've got a high-spec (multicore, RAID) server running MS SQL 2008, with several databases on it. I have a low throughput process that periodically needs a small amount of information from one of the ...
2
votes
1answer
844 views

Can Windows 2008 64bit make use of a 6 core cpu?

There's a version of AMD Phenom CPU which is 6 cores. Would Windows 2008 64 bit & SQL Server 2008 64 bit make use of all the cores? Any special settings of the OS or sql server needed to benefit ...
2
votes
2answers
971 views

Running a VM on a hyperthreaded CPU

Is it better to run a VM on a dual core hyperthreaded machine as a four core or as a two core VM. The hyperthreaded 'virtual' cores are not as fast as the real cores. Does this effect the VM?
4
votes
4answers
10k views

Virtualized CPU cores vs. threads

We've got a KVM host system on Ubuntu 9.10 with a newer Quad-core Xeon CPU with hyperthreading. As detailed on Intel's product page, the processor has 4 cores but 8 threads. /proc/cpuinfo and htop ...
0
votes
1answer
518 views

Q8300 Core-2 Quad vs X3360 Xeon

I'm looking at this ABMX server, and trying to decide on the CPU. I'm purchasing 2 servers, to be used as dedicated web and DB servers for a web site that has low traffic now but could ramp up ...
1
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3answers
282 views

2 - 2ghz quad core processors or 2 - 3.0ghz dual core processors

I'm trying to decide which spare server I should use to build a backup file/print server. These are both Dell PE2950 machines that haven't been used in about a year or so. One has 2 2.0 ghz quad ...
1
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2answers
259 views

Are blade server cores pooled?

Windows server software versions, vary in how many CPU sockets that they support. So if you have a normal server with 4 CPU sockets. If each CPU is a quad core (belive there is talk of 6 or 12 core) ...
4
votes
2answers
1k views

Xen - Make one guest OS have 2 cpus?

I have inherited a Xen setup. The dom0 and domU's are all linux. dom0 has 8 cores (or CPUs, I'm not sure). We want to run more stuff on one domU. I want to make it a multicore CPU, ie so that the domU ...
5
votes
4answers
8k views

Why does my Windows 7 VM running under Linux' KVM not use all the virtual processors?

All I've had a problem on my server since I migrated one of my VM's from Windows 2008 Server to Windows 7 (ultimate): though I've assigned four cores to the VM and it even seems to see them, it seems ...
2
votes
3answers
8k views

More RAM or More Cores for a MySQL Database Server?

Here's the scenario, which I'd love your expert advice on: I've got about 2GB of database currently, maybe double that in a year. I want the optimum server performance for the dedicated DB server I'm ...
1
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2answers
619 views

SQL Server 2005 preferring a single core per cpu?

HI folks, I've a SQL Server 2005 system, with 4 cpus in it each with 4 cores. It's currently mainly utilising just 4 cores, ie 4 hover around 90% utilisation at peak and the others closer to 30%. I'm ...
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2answers
430 views

Two Xeon Processors with Different Clock Speeds on the Same Motherboard: Possible?

If I have a 2.0gHz Woodcrest 5130 Xeon and a 1.6gHz Woodcrest 5110 Xeon, can I put them both on the same motherboard? The machine in question is a PowerEdge 2950.
0
votes
1answer
708 views

Hardware virtualization support for Core i7 + P55

I'm considering a hardware upgrade from AMD Opteron 1216 to a Core i7 920 or Core i7 860. I want to know if Hardware Virtualization (VT-X) is supported? I found the spec sheets online which say yes. ...
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votes
2answers
13k views

Disable CPU cores in bios?

Is it possible to disable CPU (Intel) cores in BIOS, and if yes what HP/DELL (others?) 1U/2U servers would allow this? It is becoming difficult to find new server hardware with dual core CPUs, most ...
2
votes
2answers
5k views

How to determine actual virtual CPU configuration of ESX image?

We have severe performance issues on an ESX client, but from where I am I cannot directly view the server configuration, yet I want to find out whether they set it up correctly. Running CPU-Z shows ...
1
vote
1answer
67 views

Red Hat AS 64-bit and multi core chip recognition

We're running RH AS 64-bit 4.6 and for some reason after installing a Hitachi SAN driver, the kernal only recognizes 1 cpu of the 8 (4 dual core Opterons). This server hosts an Oracle 9i database, so ...
5
votes
7answers
45k views

Sun Solaris - Find out number of processors and cores

Our SPARC server is running Sun Solaris 10; I would like to find out the actual number of processors and the number of cores for each processor. The output of psrinfo and prtdiag is ambiguous: ...
1
vote
1answer
164 views

Should a core be “reserved” for the OS in a multi-core (SMP) Linux system?

If I plan to run eight applications on an eight core machine and expect all applications to utilise 100% cpu, will the OS "get enough time" for its own tasks or should I instead run seven applications ...
0
votes
2answers
397 views

Util. to tell me how many cores are being used under Win 2003 Standard

Confusion reigns about licensing, with the No. of processors that can be engaged by various versions of 2003/ 2008 server. Now that we have 6 core AMDs and future 8 core Intels, I wonder if hardware ...
0
votes
2answers
344 views

Is Pentium D915 plug compatible with Core 2 Quad?

I have a system: dual core pentium d 915 currently running at 2.8GHz with 2GB DDR2. I wish to upgrade it to be used as an application server. I wish to upgrade the processor and ram to 4GB. ...
2
votes
2answers
954 views

Can I turn off a faulty core temporarily on my CPU?

I have the following CPU: AMD Phenom 9600 Agena 2.3GHz 4 x 512KB L2 Cache 2MB L3 Cache Series Phenom X4 Model HD960ZWCGDBOX Socket AM2+ 95W Quad-Core Processor I'm getting BSODs and an event ...
0
votes
2answers
2k views

CPU Utilization of a multithreaded process

Background: I have a whole mess of systems running the 2.6.20 and 2.6.22 kernel in what started as a Fedora Core 2 install several years ago. These systems have 8 cpus, as reported by cat ...
3
votes
4answers
649 views

Can Windows be configured to only use a single hardware thread?

Is is possible to configure Windows to only use a single hardware-thread. Every machine for the last couple of years seems to be at least dual-core, but some timing bugs are only reproducible when ...
4
votes
9answers
2k views

For Intel Core 2 Duo, should I upgrade my x32 with x64 Linux? [closed]

I understand that the Core 2 Duo is a 64-bit processor, while Core Duo is a 32-bit processor. Let me know if my understanding is wrong. My Linux server, with the Core 2 Duo E8400, is currently ...
16
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3answers
5k views

Two Dual Core vs. One Quad Core

For an Intel based system keeping the number of cores constant how much difference would there be between two dual core processors and one quad core processor? We run Oracle OLTP databases on two ...