filename = "retention.lua"
message_matcher = "Logger == 'mozilla-loop-server' && Type == 'request.summary' && Fields[uid] != NIL && Fields[action] == 'join' && (Fields[userType] == 'Unregistered' || Fields[userType] == 'Registered')"
interval_days = 30
thread = 2

filename = "retention.lua"
message_matcher = "Logger == 'mozilla-loop-server' && Type == 'request.summary' && Fields[uid] != NIL && Fields[action] == 'join' && (Fields[userType] == 'Unregistered' || Fields[userType] == 'Registered')"
interval_days = 28
thread = 2

Make the monthly retention report use a 28 day sliding window
Make the monthly retention report use a 28 day sliding window
