Specifications

Table Of Contents
VMware, Inc. 145
CHAPTER 6 Performance Tuning and the
VMware Server Host
This!chapter!provides!suggestions!for!getting!the!best!performance!from!VMware!
Server!and!your!virtual!machines,!and!covers!the!following!topics:
! “Configuring!and!Maintaining!the!Host!Computer!on!page 145
! “Configuring!VMware!Server!on!page 146
! “Understanding!Memory!Usage”!on!page 154
Configuring and Maintaining the Host Computer
The!host!computer!is!an!obvious!place!to!look!to!improve!performance.!This!section!
discusses!these!key!areas:
! “Location!of!the!Working!Directory”!on!page 145
! “Defragmentation!of!Disk!Drives”!on!page 145
! Adequate!Free!Disk!Space”!on!page 146
! “NIC!Interrupts!Coalescing”!on!page 146
Location of the Working Directory
The!installer!locates!the!working!directory—holding!the!virtual!disk!files—on!the!host!
computer.!You!can!customize!your!configuration!to!place!the!working!directory!or!the!
virtual!disk!files!on!a!different!physical!computer.!You!might!experience!performance!
advantages!to!such!customizing.
Defragmentation of Disk Drives
Host!disks!and!virtual!disks!affect!the!performance!of!VMware!Server.
Host Hard Drives
Performance!is!weakened!by!fragmentation!of!the!physical!disk!holding!the!virtual!
machine’s!working!directory!or!virtual!disk!files.!Fragmentation!of!the!host!disk!can!
affect!any!or!all!of!the!following: