That sounds about right ….. highly distributed well connected storage is their key …
It truly is staggering though when you think about it… > On Mar 1, 2017, at 12:08 PM, Nate Burke <n...@blastcomm.com> wrote: > > I was reading an article the other day that referenced that youtube users > upload 400 hours of video every minute, or 65 years of video every day. Is > my math right in showing that at an average of 2.5mb/s for the video size, > that's 600 TB of data per day being uploaded? Given redundant copies being > made, Youtube is bringing online over a Petabyte per day of storage. > > Since I've only been involved with Small businesses, wrapping my head around > this amount of storage and $$$ is hard. > > Realizing that Google is custom, I'll use Backblaze for some math. > Backblaze will do 45 drives in 4U@600w power draw 47U rack height = 11 4U > boxes = 495HD /rack If they're 8tb drives, that's 4PB/rack. If Google is > paying 1/2 retail cost for drives, that's $175/drive, or $90k per rack (+ > Hardware) 6.6kw power draw (+ Cooling). > > So every 4 Days, they spend $100k in Hardware, and increases their electric > bill by 8kw? > > I guess when you're dealing with Billions of Dollars, a $100k every couple > days' isn't such a big deal.
