Starting up Rethinkdb 2.3.4 on the beta of macOS Sierra takes over 40 seconds even with no data. Any idea what could be happening? Installed RethinkDB via brew.

Running rethinkdb 2.3.4 (CLANG 7.3.0 (clang-703.0.31))...
Running on Darwin 16.0.0 x86_64
Here is the configuration I am using:
directory=/Users/justin/Sites/my-project/rethinkdb/data
log-file=/Users/justin/Sites/my-project/rethinkdb/rethinkdb.log
bind=127.0.0.1
http-port=8000
cache-size=128