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| author | Scott Dodson <sdodson@redhat.com> | 2017-08-24 08:45:43 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-08-24 08:45:43 -0400 |
| commit | 41736f76f582214afd0c4132c0345094017a4749 (patch) | |
| tree | abe3a34f26256de53495c9fed9490f8da48cd667 /roles/openshift_node | |
| parent | fd31f32f484e922e06cb58d582a6490223fc039b (diff) | |
| parent | 527d8ccddd39f43bec885b4eb4981054419641a3 (diff) | |
| download | openshift-41736f76f582214afd0c4132c0345094017a4749.tar.gz openshift-41736f76f582214afd0c4132c0345094017a4749.tar.bz2 openshift-41736f76f582214afd0c4132c0345094017a4749.tar.xz openshift-41736f76f582214afd0c4132c0345094017a4749.zip | |
Merge pull request #5054 from jmencak/tuned-profiles
New tuned profile hierarchy.
Diffstat (limited to 'roles/openshift_node')
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 |