[CentOS-virt] SATA vs RAID5 vs VMware
Benjamin Franz
jfranz at freerun.comFri Sep 25 15:19:19 UTC 2009
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Benjamin Franz wrote: > This will double your memory usage. But it should fix your I/O. > > Take a look at http://vmfaq.com/?View=entry&EntryID=25 > > In particular, putting your temporary directory in a ramdisk will > improve your I/O profile immensely. > > Edit /etc/vmware/config and add: > > tmpDirectory = "/tmp/vmware" > Edit /etc/fstab and add > > tmpfs /tmp/vmware tmpfs > defaults,size=100% 0 0 > > and edit /tmp/cron.daily/tmpwatch and add '-x /tmp/vmware' to the > tmpwatch command line for /tmp. > > make your mount point for /tmp/vmware and mount /tmp/vmware And I just learned something new. According to http://communities.vmware.com/thread/105144;jsessionid=DE9B4FFB861971525BEDBD8984F6A670?start=15&tstart=0 if you use /dev/shm for your tmpDirectory you don't pay the 'double the memory' penalty. I am testing it now. -- Benjamin Franz
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