if (m = line.match(/^Row Cache[^:]+: size ([0-9]+) \(bytes\), capacity ([0-9]+) \(bytes\), ([0-9]+) hits, ([0-9]+) requests/))
        output "#{config[:scheme]}.row_cache.size", m[1], @timestamp
        output "#{config[:scheme]}.row_cache.capacity", m[2], @timestamp
        output "#{config[:scheme]}.row_cache.hits", m[3], @timestamp
        output "#{config[:scheme]}.row_cache.requests", m[4], @timestamp