From 90b0ab18f62e362052868d89cba6fb0e0f3f142b Mon Sep 17 00:00:00 2001 From: Phil Cameron Date: Fri, 27 Oct 2017 16:00:26 -0400 Subject: dnsmasq cache-size dns-forward-max change On very large clusters dnsmasq performance suffers due to limited cache-size and dns-forward-max values. bug: 1482847 https://bugzilla.redhat.com/show_bug.cgi?id=1482847 --- roles/openshift_node_dnsmasq/files/networkmanager/99-origin-dns.sh | 2 ++ roles/openshift_node_dnsmasq/templates/origin-dns.conf.j2 | 2 ++ 2 files changed, 4 insertions(+) diff --git a/roles/openshift_node_dnsmasq/files/networkmanager/99-origin-dns.sh b/roles/openshift_node_dnsmasq/files/networkmanager/99-origin-dns.sh index 230f0a28c..f4e48b5b7 100755 --- a/roles/openshift_node_dnsmasq/files/networkmanager/99-origin-dns.sh +++ b/roles/openshift_node_dnsmasq/files/networkmanager/99-origin-dns.sh @@ -54,6 +54,8 @@ domain-needed server=/cluster.local/172.30.0.1 server=/30.172.in-addr.arpa/172.30.0.1 enable-dbus +dns-forward-max=5000 +cache-size=5000 EOF # New config file, must restart NEEDS_RESTART=1 diff --git a/roles/openshift_node_dnsmasq/templates/origin-dns.conf.j2 b/roles/openshift_node_dnsmasq/templates/origin-dns.conf.j2 index 5c9601277..4b55a0be4 100644 --- a/roles/openshift_node_dnsmasq/templates/origin-dns.conf.j2 +++ b/roles/openshift_node_dnsmasq/templates/origin-dns.conf.j2 @@ -3,6 +3,8 @@ domain-needed no-negcache max-cache-ttl=1 enable-dbus +dns-forward-max=5000 +cache-size=5000 bind-interfaces {% for interface in openshift_node_dnsmasq_except_interfaces %} except-interface={{ interface }} -- cgit v1.2.3