Long time no blog I know. Very remiss of me 
Been real busy at work with VMware and RHEL. A bit of struggle getting everything to work. Still can’t get DB2 to start automatically at boot or find reliable scripts for IBM’s HTTP Admin Server for /etc/rc.d/init.d. Rather frustrating.
I did learn a lot about the apps though and got some interesting tuning stuff out of it. Most of the stuff comes off of various pages which I referenced in del.icio.us. Here’s the gist – I hope it will be useful for you 
Never swap – keep Virtual Machine memory usage under 75% of installed RAM on laptop
VMware Fusion: use 2.0.1 with Preferences->”Optimize for Mac OS application performance” and “Never optimize mouse for games”
/etc/grub/grub.conf
add noapic nolapic apci=off clocksource=acpi_pm elevator=noop to kernel line like this:
kernel /vmlinuz-2.6.18-92.el5 ro root=/dev/VolGroup00/LogVol00 rhgb quiet noapic nolapic apci=off clocksource=acpi_pm elevator=noop
/etc/security/limits.conf
domino soft nofile 16384
domino hard nofile 65535
domino soft nproc 16384
domino hard nproc 65535
db2adm9 soft nofile 16384
db2adm9 hard nofile 65535
db2adm9 soft nproc 16384
db2adm9 hard nproc 65535
/etc/pam.d/login
session required pam_limits.so
/etc/system/sysctl.conf
vm.swappiness = 0
vm.overcommit_memory = 1
vm.dirty_background_ratio = 5
vm.dirty_ratio = 10
vm.dirty_expire_centisecs = 1000
dev.rtc.max-user-freq = 1024
.vmx Options to add:
MemAllowAutoScaleDown = “FALSE”
MemTrimRate = “0″
mainMem.useNamedFile = “FALSE”
sched.mem.pshare.enable = “FALSE”
host.useFastClock = “FALSE”
monitor_control.virtual_rdtsc = “FALSE”
mem.ShareScanTotal=0
mem.ShareScanVM=0
mem.ShareScanThreshold=4096
sched.mem.maxmemctl=0
autostop = “softpoweroff”
prefvmx.useRecommendedLockedMemSize=”TRUE”
prefvmx.minVmMemPct=”100″
tmpDirectory=”/dev/shm”
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