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0answers
21 views

CPU Compatibility for Xen Cloud Platform

I have pool with current configuration of several servers: CPU: Intel(R) Xeon(R) CPU E5630 @ 2.53GHz RAM: 32Gb DDR3 Can I add the following server to pool if i'd like to keep all ...
-5
votes
1answer
59 views

Why is a 32bit OS limited to 4 GigaBytes of RAM? [closed]

What I don't understand is where the 4 GigaBytes comes from. Most of the articles I read say that 2^32bits = 4 GigaBytes, but this doesn't seem correct given that 8 bits = 1 byte. For a 32 bit OS: ...
1
vote
1answer
108 views

Understanding CPU related output displayed by lshw

I am trying to understand the meaning of some of the CPU related output provided by lshw. $ sudo lshw -class processor *-cpu description: CPU product: Intel(R) ...
1
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1answer
43 views

No architecture vs architecture-specific binaries

From what I understand, the noarch suffix means that it's architecture independent and should work universally. If this is the case, why should I install architecture-specific packages at all? Why not ...
0
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0answers
61 views

Software based CPU Load Balancing for Intel Xeon [closed]

I've a Intel Xeon E5620 2.40Ghz 5.86 Gt/s with 12 Gb x8 DT1 . a) How to increase the CPU performance automatically while multitude hits.(1,000,00) the website with concurrent sessions? rather than ...
0
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0answers
170 views

Error while installing VMware 5 - cant detect the last level cache

I am trying to install VMware 5 from a USB stick. The installation hangs at the beginning with the following error: on Vmware forum it's suggested that I should disable MAXCPUID on the bios - ...
5
votes
2answers
72 views

Multi-Architectures and Their Binaries

Why is there a /usr/lib and a /usr/lib32 directory but only a /usr/bin and no /usr/bin32 directory on a AMD64 64-bit-install of Ubuntu? If or when Debian/Ubuntu start supporting ...
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votes
3answers
324 views

Why do I need six cores in a cpu for a server? [closed]

I was getting specs for dell server and one cpu is an Intel Xeon with 6 cores, another 4 cores. What am I getting with this? Do I need six cores? What does that give me? I don't know what ...
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3answers
166 views

Detect CPU Vendor on OSX

So, I considered asking here instead of SO because people here are more likely to be familiar with this stuff. I'm currently using PHP to detect some generic stuff on the host OS. In this case, I'm ...
-1
votes
1answer
63 views

Better choice between server with one or two cpus [closed]

I am going to consider an application server with two cpus, Windows 2008 standard server, RAID 5 hard disk configuration. But I am hesitant becouse I think the improvement it is not so relevant and in ...
2
votes
1answer
275 views

Converting from 32-bit Linux to 64-bit LInux — Amazon Web Services EC2 cloud server — Import AMI

My client would like to upgrade from our current development 32-bit server to a much larger server running on a 64 bit platform. I'd very much so like to just import a snapshot of my current server's ...
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5answers
1k views

So really, what is the overhead of virtualization and when should I be concerned?

I'm searching for good rules of thumb to understand when NOT to virtualize a machine. For example, I know that a fully CPU-bound process with near 100% utilization is probably not a good idea to ...
2
votes
1answer
1k views

Hyperthreading vs. SQL Server & PostgreSQL

I have read that hyperthreading is a "performance killer" when it comes to DBs. However, what I read didn't state which CPUs. Further, it mostly indicated that I/O was "cut to < 10% performance". ...
0
votes
1answer
48 views

Install correct libraries depending on 64/32 bit

I am using Bash to install a customised version of JBoss, and one of the things I would like to do is install the correct version of the Apache Portable Runtime, which is a native binary. This script ...
1
vote
1answer
250 views

IBM x3200 M2 and chaning the CPU

As my server IBM x3200 M2 and CPU (E4600) does not have VT-x for virtualization (I would like to virtualize Windows in XenServer), may I substitute this CPU for some core2duo or core2quad that ...
1
vote
1answer
2k views

What is the difference between the C0 and E0 stepping in the Intel Xeon 5400 family of processors?

My primary question is in the title, and can be answered as simply as that. However, I think some background information may be relevant. I'm doing some research into upgrading one of our three year ...
1
vote
2answers
362 views

which Intel CPU is faster?

I'm talking to a representative of a hardware company trying to sell me a new server and he's adamant that the E5504 CPU which is a Quad core 2Ghz with 4mb cache would be faster than our existing ...
-2
votes
3answers
326 views

What is a dual-core processor and how is it different form single core? [closed]

In what ways are dual-core processors different from single core processor ? Are dual core processors different form multi-processors ? If yes, then how ? What are logical and physical CPUs ?
1
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4answers
218 views

How can Linux run on different microprocessors?

How can Linux run on different microprocessors? Is the Linux kernel being compiled at installation each time?
6
votes
2answers
3k views

How does Windows 2008 R2 run 32-bit applications?

If 32-bit processor support is disabled in Windows Server 2008 R2, how does the operating system run 32-bit programs?