rediska)

This function adds a callback to every task that will read messages from a redis list and write them to your R console. Useful to pipe notifications from other processes and stay in the zone.

Set the following parameters:
rediska.channel - the name of the list to which other processes should lpush.
rediska.msg_threshold - maximum number of messages to be shown. If there are more messages a warning will be shown.
rediska.exitthezone - name of the variable through which one can signal rediska to exit the zone.