Specifications

VMware, Inc. 359
Chapter 12 VMware ESX Server Resource Management
Obtaining NUMA Statistics
This!command!checks!for!the!presence!of!a!NUMA!system.!If!it!finds!a!NUMA!system,!
it!also!lists!the!number!of!nodes,!the!amount!of!memory,!and!the!physical!CPUs!on!the!
NUMA!node:
cat /proc/vmware/NUMA/hardware
Here’s!an!example!of!what!you!might!see:
The!absence!of!the!/proc/vmware/NUMA!directory!indicates!that!this!system!is!not!a!
NUMA!system.!
There!are!two!NUMA!nodes.!The!fields!in!the!table!are!defined!as!follows:
! Node!–!Node!number.
! ID!–!Hardware!ID!number!of!the!NUMA!node.
! MachineMem!–!Amount!of!physical!memory!located!on!this!NUMA!node,!
including!memory!that!can!be!used!by!the!service!console.
! ManagedMem!–!Amount!of!physical!memory!located!on!this!NUMA!node,!
excluding!memory!used!by!the!service!console!and!the!ESX!Server!virtualization!
layer.
! CPUs!–!A!space‐separated!list!of!the!physical!processors!in!this!node.
Physical!CPUs!0,!1,!2,!and!3!are!in!NUMA!node!0,!and!physical!CPUs!4,!5,!6,!and!7!
are!in!NUMA!node!1.
Total!memory!tells!you!how!much!memory!is!physically!installed!on!each!NUMA!
node.
!However ,!not!all!this!memory!may!be!managed!by!the!VMkernel,!because!some!
of!the!memory!is!used!by!the!service!console.!
Determining the Amount of Memory for Each NUMA Node
Type!the!following:
cat /proc/vmware/mem/
#!NUMA!Nodes:!2
Total!memory:!8192!MB
Node ID MachineMem ManagedMe
m
CPUs
000 4096!MB 3257!MB 0!1!2!3
101 4096!MB 4096!MB 4!5!6!7