Github user MikeThomsen commented on the issue:
https://github.com/apache/nifi/pull/2294
@mgaido91
I'll make the UTF-8 charset a configuration parameter.
WRT the batch issue, my preference for providing a batch option with a sane
default size comes from seeing less than optimal things involving how much work
is sent in a single batch. Trying to be polite on that point, but I think you
can get an idea of what I mean...---
