Specifications

Administration Guide
148 VMware, Inc.
Running Many Virtual Machines on ESX Server
To!run!or!register!more!than!60!virtual!machines,!you!must!change!some!settings!in!the!
service!console.!By!changing!these!settings,!you!provide!additional!CPU!and!memory!
resources!to!the!service!console,!allowing!ESX!Server!to!operate!more!efficiently!under!
this!higher!load.
Increasing the Reserved Memory for the Service Console
Increasing!the!memory!in!the!service!console!allows!the!service!console!to!operate!more!
efficiently!when!a!greater!number!of!virtual!machines!are!active.
To increase the memory allocation in the service console
1Log!into!the!VMware!Management!Interface!as!root.
2Click!the!Options!tab!and!click!Startup!Profile.
3 Increase!the!Reserved!Memory!to!at!least!512MB,!and!up!to!
800MB!(the!maximum!
recommended!setting).
4Click!OK!to!save!the!changes.
5Click!OK!and!reboot!ESX!Server.
For!more!information,!see!“Service!Console!Memory”!on!page 364.
Allocating CPU Resources to the Management Interface
If,!after!changing!these!settings,!you!are!unable!to!open!the!VMware!Management!
Interface!to!your!server,!the!number!of!outstanding!processes!that!are!waiting!to!be!
executed!is!too!high.!Allocate!the!necessary!CPU!resources!to!the!management!interface!
by!increasing!the!priority!for!the!vmware‐serverd!and!httpd!processes.
!
To increase the priority for the vmware-serverd and httpd processes
1Log!in!as!the!root!user!on!the!service!console.!
2Type!ps auxw!and!find!the!process!IDs!of!the!httpd!and!vmware-serverd!
processes.
If!there!are!multiple!httpd!processes,!type!top.!Press!Shift‐p!(P)!to!sort!the!output!
by!CPU!usage.!Note!the!process!ID!for!the!httpd!process
!using!the!most!CPU.!
N
OTE If!you!decrease!the!number!of!registered!or!running!virtual!machines!to!less!than!60,!
revert!the!settings!back!to!their!defaults!through!the!management!interface!or!through!
the!service!console.