This service acts as the mouth of the event pipeline. Nom nom nom.
Writing a client for this service? Check out the API specification.
On Linux, you'll need to tune the POSIX Message Queue limits:
echo 'fs.mqueue.msgsize_max = 102400' >> /etc/sysctl.conf # maximum size of an individual message, bytes
echo 'fs.mqueue.msg_max = 65536' >> /etc/sysctl.conf # maximum number of messages in a queue