- "DS:used:GAUGE:25:0:1099511627776",
- "DS:free:GAUGE:25:0:1099511627776",
- "DS:cached:GAUGE:25:0:1099511627776",
- "DS:resv:GAUGE:25:0:1099511627776",
+ "DS:used:GAUGE:"COLLECTD_HEARTBEAT":0:1099511627776",
+ "DS:free:GAUGE:"COLLECTD_HEARTBEAT":0:1099511627776",
+ "DS:cached:GAUGE:"COLLECTD_HEARTBEAT":0:1099511627776",
+ "DS:resv:GAUGE:"COLLECTD_HEARTBEAT":0:1099511627776",