It seems they're using xnbd to provide the storage for the box. On Debian, the b... | Hacker News

Hacker News new | comments | show | ask | jobs | submit login mrsirduke 7 hours ago | parent It seems they're using xnbd to provide the storage for the box. On Debian, the box is running a xnbd-client, which provides the rootfs: xnbd-client --blocksize 4096 --retry=900 10.1.32.197 4096 /dev/nbd0 root@scw-6d2eff:~# df -h Filesystem Size Used Avail Use% Mounted on /dev/nbd0 46G 507M 44G 2% / I did not check, but I hope there's some filtering/authentication for that process. Like EC2 and others, the box has an internal ip allocated and an external ip via nat (or something else). I was able to download a file from OVH with ~500 Mbit/s throughput when writing to the filesystem. Writing to /dev/null it increases to ~650 Mbit/s. Running an untuned nginx, it can do ~300 req/s with ~20% cpu util. Seeing as the storage is still virtual, I'm not really sure why this woul...

Linked on 2015-04-02 18:42:55 | Similar Links