Make sparse file creation an optional behavior and put the old full-allocation behavior back as the default. This also refactors the original zeroing behavior to write small chunks at a time to avoid allocating a massive chunk of memory that python isn't likely to return to the system. bug/885944
Make sparse file creation an optional behavior and put the old full-allocation
behavior back as the default. This also refactors the original zeroing behavior
to write small chunks at a time to avoid allocating a massive chunk of memory
that python isn't likely to return to the system. bug/885944

obfuscurity/whisper,akbooer/whisper,graphite-server/whisper,graphite-project/whisper,acdha/whisper,kerlandsson/whisper,deniszh/whisper,jjneely/whisper,alexandreboisvert/whisper,cbowman0/whisper,piotr1212/whisper,penpen/whisper