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authorJiri Mencak <jmencak@redhat.com>2017-08-10 17:09:29 +0200
committerJiri Mencak <jmencak@redhat.com>2017-08-15 13:34:09 +0200
commit527d8ccddd39f43bec885b4eb4981054419641a3 (patch)
tree1f52b0c8be86e37444eddab1c0098176c386dfb2 /roles
parent5fe4c8c5478ef8b87f88b413c9033ff68987d4e1 (diff)
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New tuned profile hierarchy.
Diffstat (limited to 'roles')
-rw-r--r--roles/openshift_node/templates/tuned/openshift-control-plane/tuned.conf25
-rw-r--r--roles/openshift_node/templates/tuned/openshift-node/tuned.conf10
-rw-r--r--roles/openshift_node/templates/tuned/openshift/tuned.conf24
-rw-r--r--roles/openshift_node/templates/tuned/recommend.conf8
4 files changed, 67 insertions, 0 deletions
diff --git a/roles/openshift_node/templates/tuned/openshift-control-plane/tuned.conf b/roles/openshift_node/templates/tuned/openshift-control-plane/tuned.conf
new file mode 100644
index 000000000..f22f21065
--- /dev/null
+++ b/roles/openshift_node/templates/tuned/openshift-control-plane/tuned.conf
@@ -0,0 +1,25 @@
+#
+# tuned configuration
+#
+
+[main]
+summary=Optimize systems running OpenShift control plane
+include=openshift
+
+[sysctl]
+# ktune sysctl settings, maximizing i/o throughput
+#
+# Minimal preemption granularity for CPU-bound tasks:
+# (default: 1 msec# (1 + ilog(ncpus)), units: nanoseconds)
+kernel.sched_min_granularity_ns=10000000
+
+# The total time the scheduler will consider a migrated process
+# "cache hot" and thus less likely to be re-migrated
+# (system default is 500000, i.e. 0.5 ms)
+kernel.sched_migration_cost_ns=5000000
+
+# SCHED_OTHER wake-up granularity.
+#
+# Preemption granularity when tasks wake up. Lower the value to improve
+# wake-up latency and throughput for latency critical tasks.
+kernel.sched_wakeup_granularity_ns = 4000000
diff --git a/roles/openshift_node/templates/tuned/openshift-node/tuned.conf b/roles/openshift_node/templates/tuned/openshift-node/tuned.conf
new file mode 100644
index 000000000..78c7d19c9
--- /dev/null
+++ b/roles/openshift_node/templates/tuned/openshift-node/tuned.conf
@@ -0,0 +1,10 @@
+#
+# tuned configuration
+#
+
+[main]
+summary=Optimize systems running OpenShift nodes
+include=openshift
+
+[sysctl]
+net.ipv4.tcp_fastopen=3
diff --git a/roles/openshift_node/templates/tuned/openshift/tuned.conf b/roles/openshift_node/templates/tuned/openshift/tuned.conf
new file mode 100644
index 000000000..68ac5dadb
--- /dev/null
+++ b/roles/openshift_node/templates/tuned/openshift/tuned.conf
@@ -0,0 +1,24 @@
+#
+# tuned configuration
+#
+
+[main]
+summary=Optimize systems running OpenShift (parent profile)
+include=${f:virt_check:{{ openshift_tuned_guest_profile }}:throughput-performance}
+
+[selinux]
+avc_cache_threshold=65536
+
+[net]
+nf_conntrack_hashsize=131072
+
+[sysctl]
+kernel.pid_max=131072
+net.netfilter.nf_conntrack_max=1048576
+fs.inotify.max_user_watches=65536
+net.ipv4.neigh.default.gc_thresh1=8192
+net.ipv4.neigh.default.gc_thresh2=32768
+net.ipv4.neigh.default.gc_thresh3=65536
+net.ipv6.neigh.default.gc_thresh1=8192
+net.ipv6.neigh.default.gc_thresh2=32768
+net.ipv6.neigh.default.gc_thresh3=65536
diff --git a/roles/openshift_node/templates/tuned/recommend.conf b/roles/openshift_node/templates/tuned/recommend.conf
new file mode 100644
index 000000000..5fa765798
--- /dev/null
+++ b/roles/openshift_node/templates/tuned/recommend.conf
@@ -0,0 +1,8 @@
+[openshift-node]
+/etc/origin/node/node-config.yaml=.*region=primary
+
+[openshift-control-plane,master]
+/etc/origin/master/master-config.yaml=.*
+
+[openshift-control-plane,node]
+/etc/origin/node/node-config.yaml=.*region=infra