varnish 缓存到硬盘

方法一：在启动的时候设置

varnishd -s file,/var/lib/varnish/varnish_storage.bin,50%

方法二：修改默认启动文件

 vi /etc/default/varnish

DAEMON_OPTS="-a :9350 \
             -T localhost:9351 \
             -f /etc/varnish/default.vcl \
             -S /etc/varnish/secret \
                 -s file,/mnt/varnish/varnish_storage.bin,200G"

参考：http://nwlinux.com/varnish-file-storage-malloc-or-file/