Netflix contributes in a much more valuable currency, cold hard lines of code. From the new ssl-enabled sendfile syscall, general scalability and performance w

Netflix contributes in a much more valuable currency, cold hard lines of code. From the new ssl-enabled sendfile syscall, general scalability and performance work to the IO-scheduler they required because they shredded the SSD garbage-collection - it is all upstreamed. They actively try to run the smallest Diff they can.