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Remove kernel tweaks while allocating swap and only allocate swap if we have more than 5GB of diskspace available
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@ -11,16 +11,19 @@ source setup/functions.sh # load our functions
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# prevent for instance spam filtering from crashing
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# We will create a 1G file, this should be a good balance between disk usage
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# and buffers for the system
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# and buffers for the system. We will only allocate this file if there is more
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# than 5GB of disk space available
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# See https://www.digitalocean.com/community/tutorials/how-to-add-swap-on-ubuntu-14-04
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# for reference
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SWAP_MOUNTED=$(grep "swap" /proc/mounts)
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TOTAL_PHYSICAL_MEM=$(head -n 1 /proc/meminfo | awk '{print $2}')
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AVAILABLE_DISK_SPACE=$(df / --output=avail | tail -n 1)
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if [ $TOTAL_PHYSICAL_MEM -lt 1900000 ]; then
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if [ -z "$SWAP_MOUNTED" ]; then
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if [ ! -e /swapfile ]; then
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if [ $AVAILABLE_DISK_SPACE -gt 5242880 ]; then
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echo "Adding swap to the system..."
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# Allocate and activate the swap file
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@ -31,15 +34,7 @@ if [ ! -e /swapfile ]; then
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# Make sure swap is activated on boot
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echo "/swapfile none swap sw 0 0" >> /etc/fstab
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# Make sure the system only swaps as a last resort
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hide_output sysctl vm.swappiness=10
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tools/editconf.py /etc/sysctl.conf vm.swappiness=10
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# Make sure the systeem keeps the file system inodes in
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# memory as long as possible
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hide_output sysctl vm.vfs_cache_pressure=50
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tools/editconf.py /etc/sysctl.conf vm.vfs_cache_pressure=50
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fi
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fi
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fi
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fi
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