On 25-Sep-2009 Benjamin Franz wrote: > And I just learned something new. According to > http://communities.vmware.com/thread/105144;jsessionid=DE9B4FFB861971525BEDBD8 > 984F6A670?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. This is misleading. As I undestand it, anything in a tmpfs that has been opened with mmap(MAP_SHARED) will not pay the 'double the memory' penalty. /dev/shm is "simply" a standard place for a tmpfs. http://communities.vmware.com/thread/167897 -Philip