Disclaimer: googler, but not working on storage. link here: http://static.googleusercontent.com/external_content/untrusted_dlcp/research.google.reverse-proxy.o

Disclaimer: googler, but not working on storage. link here: http://static.googleusercontent.com/external_content/untrusted_dlcp/research.google.reverse-proxy.org/en/us/university/relations/facultysummit2010/storage_architecture_and_challenges.pdf http://static.googleusercontent.com/external_content/untrust... actually in colossus one can tune RS coding parameters per file, to get a tradeoff between performance/durablity. RS coding uses less copies, but same level of safety (tradeoff is the recovery computation time.)