Ran into the opposite problem with Node streams, which will buffer by default, even if not doing IO on either end. That made it challenging to profile and manag

Ran into the opposite problem with Node streams, which will buffer by default, even if not doing IO on either end. That made it challenging to profile and manage throughout in a long ish pipeline, so we wound up disabling the native buffering altogether and put in a manual and explicit buffered reader and writer on either end.