Merge pull request #158 from DasSkelett/dnsdist-chashed

dnsdist: set backend server selection policy to chashed to optimize cache usage

dnsdist/dnsdist.conf.j2

@@ -77,21 +77,21 @@ end
 setRingBuffersSize(100000)
 
 {%- if 'muc01' in salt['pillar.get']('netbox:site:slug') %}
-newServer({address="10.8.0.39:1653", name="web05", weight=3, retries=2, id="7cd4655e-071e-4a9a-9623-834ba49ea472", sockets=6})
-newServer({address="10.8.0.40:1653", name="web06", weight=3, retries=2, id="d5d0a3a9-6787-479f-ad0f-106d4618ccc2", sockets=6})
-newServer({address="10.8.0.38:1653", name="gw06", weight=3, retries=2, id="42c4bdfe-0ccc-4e9e-8816-7f88421b50f8", sockets=6})
-newServer({address="10.8.0.13:1653", name="gw07", weight=3, retries=2, id="1c961f33-3a09-4b40-ae9d-5b5a8dd71061", sockets=6})
+newServer({address="10.8.0.39:1653", name="web05", weight=500, retries=2, id="7cd4655e-071e-4a9a-9623-834ba49ea472", sockets=6})
+newServer({address="10.8.0.40:1653", name="web06", weight=500, retries=2, id="d5d0a3a9-6787-479f-ad0f-106d4618ccc2", sockets=6})
+newServer({address="10.8.0.38:1653", name="gw06", weight=500, retries=2, id="42c4bdfe-0ccc-4e9e-8816-7f88421b50f8", sockets=6})
+newServer({address="10.8.0.13:1653", name="gw07", weight=500, retries=2, id="1c961f33-3a09-4b40-ae9d-5b5a8dd71061", sockets=6})
 {%- elif 'vie01' in salt['pillar.get']('netbox:site:slug') %}
-newServer({address="10.8.0.29:1653", name="web03", weight=3, retries=2, id="23b0121d-91c5-4338-8c5a-cc8ba6f2ca8d", sockets=6})
-newServer({address="10.8.0.30:1653", name="web04", weight=3, retries=2, id="0ed35651-7766-492c-ab44-562e76d395b6", sockets=6})
-newServer({address="10.8.0.32:1653", name="gw04", weight=3, retries=2, id="fec91b13-6d71-4162-92a5-68c197ee99c4", sockets=6})
-newServer({address="10.8.0.33:1653", name="gw05", weight=3, retries=2, id="24d189ad-2070-458d-b34a-7c0c22ba7bcd", sockets=6})
+newServer({address="10.8.0.29:1653", name="web03", weight=500, retries=2, id="23b0121d-91c5-4338-8c5a-cc8ba6f2ca8d", sockets=6})
+newServer({address="10.8.0.30:1653", name="web04", weight=500, retries=2, id="0ed35651-7766-492c-ab44-562e76d395b6", sockets=6})
+newServer({address="10.8.0.32:1653", name="gw04", weight=500, retries=2, id="fec91b13-6d71-4162-92a5-68c197ee99c4", sockets=6})
+newServer({address="10.8.0.33:1653", name="gw05", weight=500, retries=2, id="24d189ad-2070-458d-b34a-7c0c22ba7bcd", sockets=6})
 {%- else %}
 newServer({address="1.1.1.1", name="anycastCF"})
 {%- endif %}
 
 setWHashedPertubation(3962345)
-setServerPolicy(wrandom)
+setServerPolicy(chashed)
 
 -- ask authorative servers for ffmuc.net directly
 {%- if 'authorative-dns' in salt['pillar.get']('netbox:tag_list', []) %}