Non-Uniform Memory Access is what it stands for. For x86 architectures this is the method used to handle memory architectures where each processor has local memory and accessing another processor's memory is appreciably more expensive.

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How to activate NUMA in HP Proliant DL580 G5 Server?

Currently I am working on a task regarding one server with NUMA. The OS running on the server is Ubuntu 14.04.1 LTS. The server has 4 nodes of 16 cpus: Intel(R) Xeon(R) CPU X7350 @ 2.93GHz, i.e. each ...
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Set default numa policy to “interleave” system wide

I know it is possible to set the numa mode to "interleave" (see NB below) for a specific process using numactrl --interleave, but I'd like to know if it is possible to make this the system wide ...
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Linux interrupt affinity

We have a HP DL980 running SuSE Linux Enterprise Server 11 sp2. The machine hosts a PCIe digital IO card which is used to send a clock signal to sychronise with other machines. If we do a top, one ...
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IIS Performance NUMA

I have been struggling with an IIS issue and can't seem to find any answers. Basically here is the setup. I have a Dell Server with 4 processors 10 cores each with hyper-threading enabled. Giving ...
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VMWare NUMA Node Boundary Configuration

I have been trying to find out what the best VM configuration would be for our SQL Server 2012 on VMware 5.1 would be. The VM host(s) has 2 sockets with 4 cores running hyper threading (total of 16 ...
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Is there still a use for irqbalance on modern hardware?

This question has been asked before, but I believe that the world has changed enough for it to be asked again. Does irqbalance have any use on today’s systems where we have NUMA-capable CPUs with ...
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Is NUMA Enabled? [duplicate]

Possible Duplicate: HP DL360p with Intel E5-2630 NUMA Capable? i have an brand new HP DL380p Gen 8 with Windows server 2008R2 Enterprise Edition and i want to check if numa is enabled and ...
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988 views

Check whether node interleaving is enabled on Dell R710 + Windows?

Is there a way to check whether node interleaving is enabled from within Windows on a Dell R710? omreport chassis biossetup doesn't appear to print any NUMA-related settings on the server I'm looking ...
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How can I tell if NUMA is enabled on a MongoDB server?

Our mongodb process is consistently using >100% of our CPU (this is on an Ubuntu 64-bit server on Linode) and we're casting about for performance improvements. One suggestion we found was that ...
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numa and taskset

I am trying to use taskset to assign some processes to specific CPU's. When I run taskset, it appears that the command has worked as I get a reply stating what the new affinity of the process is set. ...
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AMD 24 core server memory bandwidth

I need some help to determine whether the memory bandwidth I'm seeing under Linux on my server is normal or not. Here's the server spec: HP ProLiant DL165 G7 2x AMD Opteron 6164 HE 12-Core 40 GB RAM ...
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Linux Opteron system appears to be UMA but should be NUMA

According to numactl, this dual CPU Opteron box is UMA rather than the expected NUMA: $ numactl --hardware available: 1 nodes (0) node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 node 0 size: 65534 ...
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HP DL360p with Intel E5-2630 NUMA Capable?

I couldn't find any information via search to determine this via the Intel or HP website. Can you enable NUMA nodes on this? How can you tell the side of each node if so? Is it always best practice to ...
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894 views

What does `numactl --localalloc` do?

What does numactl --localalloc do? Does it bind program allocation to only the single node that numactl --localalloc was run on? Or does it ensure that whenever the program allocates it's given memory ...
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How to check if server is NUMA enabled?

My boss wants to know if the HP DL320 G5 is NUMA enabled. I've tried scouring the internet, but can't find any specific information. Does anyone know off hand if this server is suitable for running ...
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How to configure Linux for using only one CPU/core of a NUMA system

I'm currently working with an AMD Opteron-based NUMA system. For the needs of my current project, I'd like to make Linux and all of the system processes to utilize only the CPU0 (and preferably, only ...
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How can I correct the NUMA setup of the memory on my server?

I am trying to install VMware ESXi onto a new dedicated server. However, when I boot from the VMware ESXi Installer CD, I am given the following error: The system has found a problem on your ...