Under OS X Mavericks and below we just could
launchctl unload the dynamic_pager plist, but trying to unload this plist doesn't have any effect since OS X Yosemite.
What is the new way to disable swap files now with OS X Yosemite?
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Have you tried something like this?
# Check installed RAM, disable VM if 8Gb or more. mem_inst=`/usr/sbin/sysctl -n hw.memsize` if [ "$mem_inst" -ge "8589934592" ]; then echo "8Gb+ Memory installed." if [ "$action" == "unload" ]; then sudo nvram boot-args="vm_compressor=2" sudo pmset -a hibernatemode 0 echo "vm.compressor_mode set to 2" else sudo nvram boot-args="vm_compressor=4" sudo pmset -a hibernatemode 3 echo "vm.compressor_mode reset to defaults" fi launch_control $action /System/Library/LaunchDaemons com.apple.dynamic_pager else echo "Less than 8Gb memory." fi
This isn't something I wrote, was information I found.
Here's what I do:
sudo pmset -a hibernatemode 0
(disables hibernation mode)
sudo rm -rf /private/var/vm/.
*(removes existing swap files)
sudo chflags uchg /private/var/vm/
(locks down the swapfile directory, prevents anything from being written to the folder)
As others have said, though, please only do this if you know what you're doing.
sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.dynamic_pager.plist
Tested on freshly installed Yosemite from App Store.
I used a program called Onyx to disable my swap file. & I have 16GB of RAM.
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