Github user jsgilmore commented on the pull request:
https://github.com/apache/incubator-storm/pull/84#issuecomment-41364889
We have not seen the need to have different encoding schemes on a bolt
level. I can't see why you would want to use JSON at all if a scheme is
available that provides better throughput at lower CPU requirements. We moved
from JSON to protocol buffers and now all our topologies use that scheme.
It would be helpful to get some more thoughts on this subject and if it is
required, I would be happy to change it, but I would prefer to do it as a
future pull request. I don't mind changing the configuration option name.
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