Questions tagged [xeon]

The Xeon is a brand of multiprocessing- or multi-socket-capable x86 microprocessors from Intel Corporation targeted at the non-consumer server, workstation and embedded system markets.

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Is it possible to install "normal" Systembuilder Intel Xeon CPUs, instead of original HP branded Intel Xeons?

Can I install normal Systembuilder Intel Xeon CPUs for HP Proliant Server? instead of OEM HP branded Intel Xeon CPUs? The Systembuilder Intel Xeon CPUs is on the compatibility List for the HP Server ...
2 votes
1 answer
828 views

Calculation of Xeon server memory bandwidth

I am looking at a dual socket server based on the Intel(R) Xeon(R) CPU E5-2640 v3 @ 2.60GHz The configuration looks like this. 4 memory channels per socket DIMMs are 8x32 GB DDR4 2133/1866 modules ...
-3 votes
1 answer
261 views

Why should I choose Xeon or Epic when Ryzen are way faster? [closed]

I'm selecting 2 servers to run a world-facing web application for a customer. One will host the web server, the other the DB. I can choose between Xeon and Ryzen CPUs and.. oh, my! Xeons are way more ...
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Hardware suitability for Kubernetes

I can find many interweb articles about amount of RAM required for Kubernetes, but I'm struggling to find minimum spec CPUs. I have a machine with Xeon E5410 @ 2.3GHz, and 16GB of RAM. I'm finding I'm ...
1 vote
1 answer
697 views

What is the actual meaning of a "C" suffix in a 2nd generation Scalable Xeon CPU (Platinum, Gold, etc)

I have an HP Z6 Workstation with a Xeon Gold 6253CL CPU (purchased from eBay) and I would like to upgrade it to a dual-CPU configuration. I have added the 2nd CPU riser card but, for selecting the ...
3 votes
4 answers
2k views

DL580 G7 giving only low performance on CPU (E7 4870)

I have a DL580 G7 with four E7 4870 and 128gb of RAM installed (eight cartridges with 2x 8gb each). The operation system is Ubuntu 18.04. There is a TITAN X on the pcie16 and the obligatory p410i ...
3 votes
1 answer
3k views

Intel Xeon 6134 + One DIMM per channel or two DIMMs per channel for maximum memory bandwidth?

I'm unable to find this critical piece of information in spec sheets. Appreciate any insight. We're purchasing servers for HPC work with intel Xeon Gold 6134 (Skylake) cpus I want maximum memory ...
2 votes
1 answer
4k views

Intel Turbo not working in CentOS 7 with Intel Xeon Scalable (and other newer CPUs)

We have a small cluster where I work, that I look after. The nodes run CentOS 7.5. Our older nodes use Xeon E5 v4 CPUs, mostly the E5-2699 v4. With the older nodes, the Intel Turbo Boost works ...
0 votes
2 answers
227 views

Xeon E5-2698 virtual machine, underpowered?

I'm working on a VM which regularly hits 100% CPU load. It's hard to be sure that the running processes itself are particularly heavy, but I have a suspicion that the CPU's may be outdated, which is ...
1 vote
1 answer
266 views

Can I get Xeon E5-2630v2 working on proliant DL160 Gen8?

I'm replacing my 2xE5-2620 with 2xE5-2630v2, however after switching the CPUs the server doesn't start (doesn't wake the screen, no beep after a few min) and the status indicator blinks red. System ...
0 votes
1 answer
65 views

Disk Is Running Full - While Snapshotting, Coincidence Or Possible Cause?

My disk is running full so I checked server logs and largest files and everything is ok. IOTOP also fine. I deleted 1 GB of files for testing purposes and it takes a minute until the disk runs full ...
0 votes
2 answers
354 views

Intel Xeon Phi Coprocessor 7120P And HP Proliant?

Does anyone know where I could check the HP Proliant DL 380 Gen 6 and 380p Gen8 compatibility with Intel Xeon Phi Coprocessors? At first sight it seems they fit the PCI Riser. Would services like ...
1 vote
1 answer
243 views

DELL R320, Xeon E5-2450 v1, Oracle Linux 8 marks clocksource 'tsc' as unstable, random crashes under load

I recently acquired used Dell R320 with Xeon E5-2450 v1, all firmware's are updated to most recent versions using Lifecycle controller. On boot dmesg reports: microcode: microcode updated early to ...
4 votes
1 answer
1k views

Wrong number of cpu cores for Xeon X5650 in Xcp-Ng

--- UPDATE 2 --- Never solved for Xcp-Ng 7.6. Issue does not exist with xcp-ng 8.0. I have a Intel Xeon X5650 processor (from eBay) but linux (Xcp-ng 7.6) only lists 8 using lscpu. However dmidecode ...
1 vote
1 answer
1k views

Can Intel Turbo Boost frequency for all cores be lower than the base frequency?

The Intel Xeon 6208U CPU is advertised to have a base frequency of 2.9 GHz and Turbo Boost frequency of 3.9 GHz - but that is for one core, which is not very useful (and IMO, highly misleading). I'm ...
0 votes
1 answer
74 views

choosing xeon cpu for webhosting stack

I'm planning to buy 2 new servers in order to create a HA cluster for a production enviroment featuring lamp stack through proxmox. i'm between del r340 and dell r540 the first is feraturing an 8c16t ...
0 votes
1 answer
1k views

What is real difference between old Intel Xeon E5-2690 v3 @ 2.60GHz and new Intel Xeon Gold 5218 @ 2.30GHz

We are hosting file processing SAAS on Intel Xeon E5-2690 v3 @ 2.60GHz and recently the Intel Xeon Gold 5218 @ 2.30GHz (Cascade Lake/Gold) is introduced in our data center. While comparing them at ...
3 votes
0 answers
73 views

Bad multicore performance on DL360 Gen 10 with 2xXeon 6154

I have some issue on the multi-core performance of some server. The server are HPE DL360 Gen10, mounting 2x Xeon Gold 6154 (18 cores). When i refer to the performances they are slower then some older ...
0 votes
1 answer
206 views

Server shutdown when stress [closed]

Today I have a little problem. I have a local server in my house, for testing and virtualization. It has a Supermicro X8DT3-LN4F board and two Intel Xeon x5680 processors. The problem is that when it ...
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342 views

Could an incompatable Xeon processer cause only two of four RAM slots to be used?

Issue With everything installed correctly, only two of my four RAM sticks are being recognized with the BIOS. I checked the QVL for the motherboard, and the Xeon E5-2628L v3 that I am using is not ...
11 votes
5 answers
11k views

Is it better to have more small ram chips or fewer large ones?

I am currently building a new server. I have options between say 32GB Memory for 2 CPUs, DDR3, 1066MHz (8x4GB Dual Ranked RDIMMs) and 36GB Memory for 2 CPUs, DDR3, 1066MHz (18x2GB Dual Ranked ...
0 votes
3 answers
5k views

Intel xeon virtualization feature - vt-d /directed io - Chipset feature?

Intel processor specifications list the virtualization feature vt-d as a processor feature of the xeon 5500 series but not of the 5600 series. Vt-d is needed for io virtualization. How does vt-d ...
0 votes
0 answers
101 views

What can be a reason for different clock speeds between sockets on 2 x Xeon Scalable 6148?

I have server with dual Xeon Scalable 6148 CPUs running HPC application. Base clock: 2.4GHz All core Turbo: 3.1 GHz Some processing threads are not scaling well and are sensitive to cpu clock. I ...
0 votes
2 answers
841 views

Xeon E5 V3 - 2S vs. 4S CPUs - L3 Cache Size Impact on Performance

I've tried searching to answer this question, but I've found it difficult to get concrete information, so thought I'd ask here. Sorry for the complex title, but the essence of my question is this: in ...
7 votes
2 answers
23k views

Intel Xeon processors: Difference between 2S/4S and S2S/S4S scalability

While comparing Intel Xeon E5 and E7 processors, I've noticed that E5 processors are specified for 2S or 4S scalability, while E7 processors are specified for S2S, S4S, or S8S scalability. I ...
1 vote
1 answer
3k views

How to identify CPU(s) on Linux EC2 instance?

I'm running a Linux c5d.9xlarge instance and wondering what CPU it's using. Amazon's Instance Types webpage states: C5 and C5d 12xlarge, 24xlarge, and metal instances have the following specs: ...
1 vote
0 answers
532 views

Memory controller or ECC errors on Xeon server. How to interpret the syslog entries?

I just got an alert from one of my servers, running FreeBSD 11.2 on a Xeon E5-1620 v4 with ECC. Its the first time I've seen an error like this, and there's a lot of detail. But it's also a one-off ...
1 vote
1 answer
1k views

Dell Poweredge 2950 with E5430 Temperature

So I just picked up a few Poweredge 2950 servers and I have them set up with Windows Server 2012. I installed Core Temp to monitor CPU temperature. One server has a CPU operating temp of the following ...
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1 answer
979 views

Does Xeon Harpertown (E5400 series) support ECC DDR3?

Is it possible to use Xeon E5450 with 8GB (preferably 16GB) DIMMs of DDR3 Registered Buffered ECC RAM? I checked Intel's Spec page for Xeon E5450 and Wikipedia Xeon#Harpertown Harpertown spec table ...
0 votes
1 answer
434 views

Intel XEON 9th generation on socket LGA 1151 ("H4") and Windows Server 2012 R2

I'm about to buy a INTEL Xeon E-2246G (if I'm lucky to get one here) and put it into MSI MB Sc LGA1151 Z370-A PRO (https://www.msi.com/Motherboard/Z370-A-PRO) and I have two uncertainties: Does "1151"...
3 votes
2 answers
1k views

interpreting cpuinfo

I have to figure out what kind of cpu my HS20 have. Its /proc/cpuinfo output is below. Is that mean It has two IntelXeon units with two cores each ? processor : 0 vendor_id : GenuineIntel ...
1 vote
1 answer
329 views

I have code compiled for Intel i7: how can I know which Xeon processors it could run on?

I have code compiled for Intel i7: how can I know which Xeon processors it could run on? There seems to be no clear way to know. I developed these rules-of-thumb, but am unsure if they suffice. The ...
14 votes
2 answers
18k views

Two different Intel xeon e5 24xx on one dual-socket motherboard

Can I use two different e5 24xx on one dual socket motherboard or must the CPU's be identical?
4 votes
3 answers
14k views

using correct number of DIMMS for best memory performance Intel Xeon scalable cpu

I am trying to understand what I guess is called a balanced memory configuration. For the newest cpu's from Intel at this point in time, January 2018 which are for example Xeon 8180 and Xeon 6154, ...
1 vote
1 answer
204 views

Can I replace one Intel Xeon e5-2603v3 with dual E5-2690v4 on HPE server?

I've got an entry level HPE SRV 778640R-B21 which supports dual CPU but comes with an E5-2603v3 (LGA2011-3 / DDR4). It has also 550W power supply. I want to remove the current cpu and add a pair of ...
0 votes
1 answer
317 views

HP Proliant ML350 CPU Turbo

I am unable to get my CPU to go into Turbo ML350 with 1 x Xeon 4110, Windows Server 2016 Supposed turbo speed is 3ghz I have the server set "Static High Performance Mode" from the iLo, and "High ...
1 vote
0 answers
169 views

Issues with HP BL460c Gen8 - wrong processor(s) and memory showing? [duplicate]

I have searched all the posts possible (dip switch resets 1,5,6 etc) and reset via removal of Battery for days, still no good solution. I bought a matched pair of Xeon E5-2650V2 2.60 GHz for each ...
2 votes
1 answer
91 views

Fast CPU v Lots of cores.... which is best? [duplicate]

We run an ecommerce platform with many sites and lots of crons continually running etc... Resources (images, js) are primarily delivered via CDN. Our server runs CPU intensive apps such as CXS Watch ...
0 votes
1 answer
2k views

Server not powering on after upgraded to Intel Xeon E5-2695 v2 [duplicate]

Have a ProLiant DL360p Gen8. Old CPUs were E5-2670. Upgraded HP latest ROM Server does not power on any more. See amber LED light on the CPU in the Systems Insight Display. As far as I know this CPU ...
1 vote
1 answer
3k views

Non-ECC RAM for virtualization?

I'm on a quest of building a virtualization server. However, I was asking myself a question: should I stick with non-ECC RAM for this server or not? This because I found a Xeon CPU that falls in the ...
1 vote
1 answer
2k views

Intel CPU microcode with Windows: which one is actually running?

I have installed a Microsoft Hotfix update from 2011 that rectifies something in mcupdate_GenuineIntel.dll. I also checked SiSoft Sandra to ensure that supplied in BIOS is latest, from 2013. My ...
3 votes
4 answers
2k views

Help identifying XEON processor

I have an old server with an Intel XEON Processor. I have been trying to identify which exact version it is with no luck. I tried various tools but all they do is give you some info about the ...
16 votes
3 answers
8k views

Does including two processors increase max RAM memory?

If E3-1285 v6 supports a maximum of 64 GB of RAM, does using a dual socket motherboard increase max memory? I guess not, but would like to know the reason. My logic says that if RAM is shared, both ...
0 votes
1 answer
1k views

Xeon Processor or Corei7 for Mysql as a Database Server? [duplicate]

I have a wordpress database (4GB). I have two servers with the following spec: Processor Cores RAM HDD DBMS 1. Xeon X5650 2.6GHz 6 64GB 250GB SSD Mariadb ...
1 vote
2 answers
761 views

Intel Xeon Gold 6140 and Windows 10

Can I use following setup with Windows 10 or do I need Windows Server? CPU - 1x Intel® Xeon® Gold 6140 Processor MB - ASUS WS-C621E-SAGE
3 votes
1 answer
15k views

Proxmox KVM fails to start

My new server is Fujitsu Primergy RX1330 M1 with Intel® Xeon® Processor E3-1220, running either Proxmox V4 or Proxmox V3.4 i have the following problem. When i create a new virtual machine, during ...
1 vote
2 answers
2k views

Ideal Number of Ram sticks for a Xeon Silver 4114

A Skylake-based Intel Xeon Silver 4114 CPU can access up to 6 DDR4-2400 memory sticks at once. It has two memory controllers with three channels per controller for a total of six memory channels. ...
0 votes
1 answer
554 views

CPU core id values not contiguous

I am trying to understand the "core_id" sequence reported. My machine has 2 sockets, 20 cores and hyperthreading enabled (80 CPU). I am looking at the "core_id" values which are reported using: root@...
-1 votes
1 answer
439 views

Buying used Xeons from China or South Korea [closed]

I'm not sure why so many of the Xeons selling on Ebay are coming from China and South Korea. Prices are extremely reasonable (delivery especially given the distance) and I'm wondering if these are ...
0 votes
0 answers
140 views

server freezing and cannot find reasons

My server got random hanging, sometime 2 weeks sometime 2-3 days. I updated Kernel to from 3 to 4, the server is still freezing randomly. I did many test e.g. memtest86, CPU stress test. after the ...