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Rather than continue to derail TWarden's UNL security blanket thread, I decided it would be a good idea to share knowledge and collect information on people's experiences with running rippled. We can see what kinds of specs and settings people have had success or problems with, and go from there. I'll start with my own experience: I have a home desktop PC which I use for my daily computing needs. I built the computer in 2009 and have upgraded it slightly over the years. Since late January 2016, I've been running rippled as a validator more or less continuously. System specs: CPU: 2.66GHz Intel Core i7 "Bloomfield" CPU RAM: 16GB Corsair XMS3 (what can I say, it was a Black Friday sale!) Disks: System partition is on a 80GB Intel X-25M SSD. My rippled's database is on my 2x3TB 7200 RPM disks in software RAID1 using mdadm. I think they're Hitachi-branded? OS: Arch Linux x86_64 (latest Linux kernel, which I've updated a few times in the time I've been running the validator) Network: I'm wired to a cheapo 10/100MBit Netgear ethernet switch and use my house's residential broadband. Settings: I'm using the default settings from the rippled-example.cfg, except for adding my validation seed. The automatic online delete seems to work just fine. Maintenance: Basically, the only maintenance I do is to upgrade to a new version of rippled when one comes out. So far I haven't had any problems with disk space: rippled seems to purge old ledgers often enough to stay within a reasonable amount of disk usage. Usage patterns: I occasionally run RPC commands against rippled for testing / work purposes, but by and large the daemon is dedicated to validating. I do use the machine for my daily computing and I've noticed that the process tends to use up as much RAM as it can when my computer is idle, but it quickly yields it to other programs when I'm actively using the computer. There hasn't been any major adverse effect on my general computing performance. Meanwhile, my validation agreement percentage has been hovering around 98% with few exceptions during that time.