sudo dd if=/dev/zero of=/swapfile bs=1024 count=524288
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
在VPS上执行完耗内存程序再关闭
sudo swapoff /swapfile
Created
October 10, 2015 07:04
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add a swap file temporarily
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