sysmon overview

fix shutdown of collector/sender pair

does the timeout mechanism work to prevent starvation?

add more logging messages

memory management like daemon, not application

turn memory cache into disc cache

discontinue "select" on SIGINT

discontinue "select" on "accept"

bind "read_tables" and "produce_output" in transaction for shell scripts

don't allocate each field in "relation" separately.

close socket correctly on shutdown of refinery, so that it can be re-used quickly

allow split strings in config files