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https://kevinclosson.net/category/_enable_numa_support/
Mar 18, 2010 · Posts about _enable_NUMA_support written by kevinclosson. Kevin Closson's Blog: Platforms, Databases and Storage. Platform, Database and Storage Topics. Blog; Papers, Webcasts, etc ... provided that full and clear credit is given to Kevin Closson and Kevin Closson's Blog: Platforms, Databases, and Storage with appropriate and specific direction ...
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://access.redhat.com/solutions/48756
No NUMA configuration found Faking a node at 0000000000000000-0000001027fff000 Bootmem setup node 0 0000000000000000-0000001027fff000 NODE_DATA [000000000000c000 - 000000000003ffff] bootmap [0000000000100000 - 0000000000304fff] pages 205 Even with NUMA enabled, dmesg does not show any information of NUMA initialization. Environment
https://kevinclosson.net/category/oracle-numa/
This is part 6 in a series about Oracle on Opteron-based NUMA servers running Linux. The list of prior installments can be found through my index of NUMA-related posts.. In part 5 of the series I discussed using Opteron-based servers with NUMA features disabled in the BIOS.
https://community.oracle.com/thread/2369798
Apr 02, 2012 · I.e enable NUMA_support=FALSE is by default from 11.2 database even if NUMA is configured from hardware/os level. Oracle recommends to do complete test n planning before going in production with NUMA enabled at database and os level. If you still want to enable NUMA in your database from 11.2, follow below note.
http://lse.sourceforge.net/numa/
Linux Support for NUMA Hardware Large count multiprocessors are being built with non-uniform memory access (NUMA) times - access times that are dependent upon where within the machine a piece of memory physically resides.
http://www.dba-oracle.com/t_numa.htm
NUMA is fully supported by Linux and Windows so that Oracle can now better exploit high end NUMA hardware in SMP servers. NUMA and RAC. In NUMA architecture, or non-uniform memory access, multiple processors in a computer system are grouped.
https://www.morganslibrary.org/reference/numa.html
This page demonstrates how you can tell and what you should do about it if you find NUMA. Also be sure you read the following MyOraclesupport doc because you may want to push back on your System Admins and have NUMA disabled. Enable Oracle NUMA support with Oracle Server Version 11.2.0.1 (Doc ID 864633.1)
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 …
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