Recommended haproxy settings to balance Riak protobuf and http interfaces (note: WORK IN PROGRESS)

haproxy.conf

# Documentation for HAProxy
#   http://code.google.com/p/haproxy-docs/w/list
#   http://haproxy.1wt.eu/download/1.2/doc/architecture.txt

# NOTES:
#   open files limits need to be > 256000, use ulimit -n to set (on most POSIX systems)

global
        log 127.0.0.1     local0
        log 127.0.0.1     local1 notice
        maxconn           256000
        chroot            /var/lib/haproxy
        user              haproxy
        group             haproxy
        spread-checks     5
        daemon
        quiet

defaults
        log               global
        option            dontlognull
        option            redispatch
        option            allbackups
        maxconn           256000
        timeout connect   5000

backend riak_rest_backend
       mode               http
       balance            roundrobin
       option             httpchk GET /ping
       option             httplog
       server riak1 riak1.<FQDN>:8098 weight 1 maxconn 1024  check
       server riak2 riak2.<FQDN>:8098 weight 1 maxconn 1024  check
       server riak3 riak3.<FQDN>:8098 weight 1 maxconn 1024  check
       server riak4 riak4.<FQDN>:8098 weight 1 maxconn 1024  check

frontend riak_rest
       bind               127.0.0.1:8098
       mode               http
       option             contstats
       default_backend    riak_rest_backend


backend riak_protocol_buffer_backend
       balance            leastconn
       mode               tcp
       option             tcpka
       option             srvtcpka
       server riak1 riak1.<FQDN>:8087 weight 1 maxconn 1024  check
       server riak2 riak2.<FQDN>:8087 weight 1 maxconn 1024  check
       server riak3 riak3.<FQDN>:8087 weight 1 maxconn 1024  check
       server riak4 riak4.<FQDN>:8087 weight 1 maxconn 1024  check


frontend riak_protocol_buffer
       bind               127.0.0.1:8087
       mode               tcp
       option             tcplog
       option             contstats
       option             tcpka
       option             srvtcpka
       default_backend    riak_protocol_buffer_backend

A RiakCS config is here https://gist.github.com/densone/a91cac3f968669c5fbe6

A RiakCS config is here https://gist.github.com/densone/a91cac3f968669c5fbe6

thanks for sharing! :)

thanks for sharing! :)

Just FYI, you have mode tcp listed twice on lines 57 and 60.

Just FYI, you have mode tcp listed twice on lines 57 and 60.

For more information on HAProxy with Riak see: http://docs.basho.com/riak/1.4.0/cookbooks/Linux-Performance-Tuning/#Load-balancer-configuration

For more information on HAProxy with Riak see: http://docs.basho.com/riak/1.4.0/cookbooks/Linux-Performance-Tuning/#Load-balancer-configuration