OpenTSDB: Supported Ganglia v30x protocol. (https://rbcommons.com/s/pepperdata/r/3430)
- Opens an UDP port to receive Ganglia v30x protocol messages. - Decodes Ganglia
messages using gmetric4j and xdr. - Inserts just numeric metrics to OpenTSDB. -
Added ganglia version, hostname, ip address, and optionally cluster name to the
metric as tags. - Ignored units. - Ignored string metrics.