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Anecdotally, Google's file system Colossus uses Reed-Solomon 1.5x replication. So those 150 drives might only turn out to be in the low 200's. And I remember r
by jdcarr 10y ago
Anecdotally, Google's file system Colossus uses Reed-Solomon 1.5x replication. So those 150 drives might only turn out to be in the low 200's.
And I remember reading a tweet from a Google engineer that they would be paged if their free storage dropped below 5PB.
- alecbaldwinlol 10y agoSweet, I appreciate that info :) I imagine 5PB fills up quite quickly for Google too! At that scale, it's just a function of (number of ethernet cables) x (avg size of ethernet cables), rather than disk space in their data center, I'd imagine!
- raisedbyninjas 10y agoI thought waking up at 3am, shambling to my desk and connecting to the VPN was bad. Imagine having to drive down to the datacenter and rack 200 hard drives.