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https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/virtualization_tuning_and_optimization_guide/chap-virtualization_tuning_optimization_guide-numa
This behavior is no longer the case with recent x86 processors. In Non-Uniform Memory Access (NUMA), system memory is divided into zones (called nodes), which are allocated to particular CPUs or sockets. Access to memory that is local to a CPU is faster …
https://access.redhat.com/solutions/48756
How to determine if NUMA configuration is enabled or disabled? numactl --show does not show multiple nodes # numactl --show policy: ... Try Solution Engine—our new support tool. Log in to Your Red Hat Account. Log In. Your Red Hat account gives you access to your profile, preferences, and services, depending on your status. Register.
https://support.hpe.com/hpsc/doc/public/display?docId=emr_na-c03261871
Technical white paper Red Hat Linux NUMA Support for HP ProLiant Servers Table of contents ... NUMA servers The Linux kernel gained support for cache-coherent Non-Uniform Memory Access (NUMA) systems in the Linux 2.6 release series. The kernel's support for NUMA systems has continued to evolve over the lifespan of the 2.6 and 3.X kernels and now
https://www.redhat.com/archives/libvir-list/2008-December/msg00636.html
[libvirt] [PATCH 6/7] Enable NUMA support for RHEL-5. From: Markus Armbruster <armbru redhat com> To: libvir-list redhat com; Cc: Subject: [libvirt] [PATCH 6/7] Enable NUMA support for RHEL-5; Date: Tue, 23 Dec 2008 16:05:16 +0100; RHEL-5 supports NUMA since 5.2. Relax the version number checks. This breaks older versions, which will be fixed ...
https://www.kernel.org/doc/ols/2003/ols2003-pages-169-184.pdf
signed with non-uniform memory architecture (NUMA) characteristics. The 2.5 Linux® ker-nel includes many enhancements in support of NUMA machines. Data structures and macros are provided within the kernel for determin-ing the layout of the memory and processors on the system. These enable the VM subsys-tem to make decisions on the optimal place-
https://www.redhat.com/archives/nahant-list/2006-August/msg00180.html
> FWIW, the hardware here is Proliant DL585 with quad Opteron 885's (8 > cores) and 16GB RAM (spread 4GB across each node/CPU/socket/whatever you > wanna call it). just enabling config_numa probably won't do you much good because last I looked, the i386 arch part of the kernel is missing the opteron numa detection code.
https://bugzilla.redhat.com/show_bug.cgi?id=1520870
Bug 1520870 - huge pages per NUMA node are not ... unsupported configuration: huge pages per NUMA node are not supported with this QEMU ~~~ Setting up guest NUMA topology as described in section 9.3.9 and using huge pages are supported when used separately, but not when using them together as stated in section 9.3.10. ... //access.redhat.com ...
https://en.wikipedia.org/wiki/Non-uniform_memory_access
Non-uniform memory access (NUMA) is a computer memory design used in multiprocessing, where the memory access time depends on the memory location relative to the processor.Under NUMA, a processor can access its own local memory faster than non-local memory (memory local to another processor or memory shared between processors). The benefits of NUMA are limited to particular …
https://www.thegeekdiary.com/centos-rhel-how-to-find-if-numa-configuration-is-enabled-or-disabled/
Non-Uniform Memory Access or Non-Uniform Memory Architecture (NUMA) is a physical memory design used in SMP (multiprocessors) architecture, where the memory access time depends on the memory location relative to a processor. Under NUMA, a processor can access its own local memory faster than non-local memory, that is, memory local to another processor or memory shared between …
https://developers.redhat.com/blog/tag/numa/
In Network Function Virtualization, there is a need to scale functions (VNFs) and infrastructure (NFVi) across multiple NUMA nodes in order to maximize resource usage. In this blog, we’ll show how to configure Open vSwitch using DPDK datapath (OVS-DPDK) parameters for multiple NUMA systems, based on OVS 2.6/2.7 using DPDK 16.11 LTS.
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