arv.node.list[:items].each do |node|
if node[:crunch_worker_state] != 'down'
ping_age = (Time.now - Time.parse(node[:last_ping_at])).to_i rescue -1
arv.node.list[:items].each do |node|
if node[:crunch_worker_state] != 'down'
ping_age = (Time.now - Time.parse(node[:last_ping_at])).to_i rescue -1