X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/d7f96f8db950795e4a75a2ccc1d7c99587da4afc..f0669c5c4f6b6e0be40d788700ee18fe27643a77:/roles/base.rb

diff --git a/roles/base.rb b/roles/base.rb
index 310b2ddf1..2da7e4e24 100644
--- a/roles/base.rb
+++ b/roles/base.rb
@@ -24,6 +24,14 @@ default_attributes(
     },
     :search => ["openstreetmap.org"]
   },
+  :prometheus => {
+    :metrics => {
+      :exim_queue_limit => {
+        :help => "Mail queue alert level",
+        :metric => 50
+      }
+    }
+  },
   :sysctl => {
     :panic => {
       :comment => "Reboot automatically after a panic",
@@ -41,9 +49,9 @@ default_attributes(
       :parameters => {
         "net.core.rmem_max" => "16777216",
         "net.core.wmem_max" => "16777216",
-        "net.ipv4.tcp_rmem" => "4096\t87380\t16777216",
-        "net.ipv4.tcp_wmem" => "4096\t65536\t16777216",
-        "net.ipv4.udp_mem" => "3145728\t4194304\t16777216"
+        "net.ipv4.tcp_rmem" => "4096 87380 16777216",
+        "net.ipv4.tcp_wmem" => "4096 65536 16777216",
+        "net.ipv4.udp_mem" => "3145728 4194304 16777216"
       }
     },
     :network_backlog => {
@@ -66,16 +74,14 @@ default_attributes(
       }
     },
     :default_qdisc => {
-      :comment => "Use fq as the default queuing discipline and cubic for congestion control",
+      :comment => "Use fq as the default queuing discipline",
       :parameters => {
-        "net.core.default_qdisc" => "fq",
-        "net.ipv4.tcp_congestion_control" => "cubic"
+        "net.core.default_qdisc" => "fq"
       }
     },
     :tune_cpu_scheduler => {
       :comment => "Tune CPU scheduler for server scheduling",
       :parameters => {
-        "kernel.sched_migration_cost_ns" => 50000000,
         "kernel.sched_autogroup_enabled" => 0
       }
     }