carbon-relay

#relay-rules.conf
[default]
default = true
DESTINATIONS = haproxy-relay:2015,haproxy-relay:2016

#carbon.conf
[relay:1]
USER = graphite
RELAY_METHOD = rules
DESTINATIONS = haproxy-relay:2015,haproxy-relay:2016
LINE_RECEIVER_INTERFACE = 0.0.0.0
LINE_RECEIVER_PORT = 2113
PICKLE_RECEIVER_INTERFACE = 0.0.0.0
PICKLE_RECEIVER_PORT = 2114
MAX_DATAPOINTS_PER_MESSAGE =  500
MAX_QUEUE_SIZE = 10000
USE_FLOW_CONTROL = True
LOG_UPDATES = True
[relay:2]
USER = graphite
RELAY_METHOD = rules
DESTINATIONS = haproxy-relay:2015,haproxy-relay:2016
LINE_RECEIVER_INTERFACE = 0.0.0.0
LINE_RECEIVER_PORT = 2213
PICKLE_RECEIVER_INTERFACE = 0.0.0.0
PICKLE_RECEIVER_PORT = 2214
MAX_DATAPOINTS_PER_MESSAGE =  500
MAX_QUEUE_SIZE = 10000
USE_FLOW_CONTROL = True
LOG_UPDATES = True

haproxy

listen carbon_relay_2003 0.0.0.0:2003
        balance leastconn
        mode tcp
        maxconn 1024
        server relay1 relay1:2113 check maxconn 1024
        server relay1 relay1:2213 check maxconn 1024

listen carbon_relay_2015 0.0.0.0:2015
        #balance leastconn
        mode tcp
        maxconn 1024
        server archive-relay1 archive-relay1:2113 check maxconn 1024
        server archive-relay1 archive-relay1:2213 check maxconn 1024
       
# distribute across our replication carbon-relays
listen carbon_relay_2016 0.0.0.0:2016
        #balance leastconn
        mode tcp
        maxconn 1024
        server live-relay1 live-relay1:2113 check maxconn 1024
        server live-relay1 live-relay1:2213 check maxconn 1024