use metric.Id() as key instead of name.
use metric.Id() as key instead of name.

raintank/metrictank,replay/metrictank,raintank/raintank-metric,raintank/metrictank,replay/metrictank,raintank/raintank-metric,replay/metrictank,OOM-Killer/metrictank,OOM-Killer/metrictank,raintank/raintank-metric,raintank/metrictank,raintank/metrictank,OOM-Killer/metrictank,replay/metrictank