From: Tom Hughes <tom@compton.nu>
Date: Mon, 4 Jul 2022 08:31:55 +0000 (+0100)
Subject: Drop scheduler tuning that is not supported in newer kernels
X-Git-Url: https://git.openstreetmap.org./chef.git/commitdiff_plain/0be3a0dd15640dc0c11081ef63037c8da8601b07?ds=sidebyside

Drop scheduler tuning that is not supported in newer kernels
---

diff --git a/roles/imagery.rb b/roles/imagery.rb
index 8556d249a..78437a608 100644
--- a/roles/imagery.rb
+++ b/roles/imagery.rb
@@ -19,13 +19,6 @@ default_attributes(
       :parameters => {
         "net.core.somaxconn" => 10000
       }
-    },
-    :kernel_scheduler_tune => {
-      :comment => "Tune kernel scheduler preempt",
-      :parameters => {
-        "kernel.sched_min_granularity_ns" => 10000000,
-        "kernel.sched_wakeup_granularity_ns" => 15000000
-      }
     }
   },
   :nginx => {
diff --git a/roles/nepomuk.rb b/roles/nepomuk.rb
index 4035409b2..4abe868d1 100644
--- a/roles/nepomuk.rb
+++ b/roles/nepomuk.rb
@@ -36,15 +36,6 @@ default_attributes(
       }
     }
   },
-  :sysctl => {
-    :kvm => {
-      :comment => "Tuning for KVM guest",
-      :parameters => {
-        "kernel.sched_min_granularity_ns" => 10000000,
-        "kernel.sched_wakeup_granularity_ns" => 15000000
-      }
-    }
-  },
   :sysfs => {
     :hdd_tune => {
       :comment => "Tune the queue for improved performance",
diff --git a/roles/nominatim-v4.rb b/roles/nominatim-v4.rb
index 91ae6c2ca..69b620e8e 100644
--- a/roles/nominatim-v4.rb
+++ b/roles/nominatim-v4.rb
@@ -42,13 +42,6 @@ default_attributes(
         "kernel.shmall" => 26 * 1024 * 1024 * 1024 / 4096
       }
     },
-    :kernel_scheduler_tune => {
-      :comment => "Tune kernel scheduler preempt",
-      :parameters => {
-        "kernel.sched_min_granularity_ns" => 10000000,
-        "kernel.sched_wakeup_granularity_ns" => 15000000
-      }
-    },
     :swappiness => {
       :comment => "Reduce swap usage",
       :parameters => {
diff --git a/roles/nominatim.rb b/roles/nominatim.rb
index 93d917e7b..fd8295429 100644
--- a/roles/nominatim.rb
+++ b/roles/nominatim.rb
@@ -42,13 +42,6 @@ default_attributes(
         "kernel.shmall" => 26 * 1024 * 1024 * 1024 / 4096
       }
     },
-    :kernel_scheduler_tune => {
-      :comment => "Tune kernel scheduler preempt",
-      :parameters => {
-        "kernel.sched_min_granularity_ns" => 10000000,
-        "kernel.sched_wakeup_granularity_ns" => 15000000
-      }
-    },
     :swappiness => {
       :comment => "Reduce swap usage",
       :parameters => {