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| author | Jiri Mencak <jmencak@redhat.com> | 2017-08-10 17:09:29 +0200 |
|---|---|---|
| committer | Jiri Mencak <jmencak@redhat.com> | 2017-08-15 13:34:09 +0200 |
| commit | 527d8ccddd39f43bec885b4eb4981054419641a3 (patch) | |
| tree | 1f52b0c8be86e37444eddab1c0098176c386dfb2 /roles/openshift_node/templates/tuned/openshift-control-plane | |
| parent | 5fe4c8c5478ef8b87f88b413c9033ff68987d4e1 (diff) | |
| download | openshift-527d8ccddd39f43bec885b4eb4981054419641a3.tar.gz openshift-527d8ccddd39f43bec885b4eb4981054419641a3.tar.bz2 openshift-527d8ccddd39f43bec885b4eb4981054419641a3.tar.xz openshift-527d8ccddd39f43bec885b4eb4981054419641a3.zip | |
New tuned profile hierarchy.
Diffstat (limited to 'roles/openshift_node/templates/tuned/openshift-control-plane')
| -rw-r--r-- | roles/openshift_node/templates/tuned/openshift-control-plane/tuned.conf | 25 |
1 files changed, 25 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 |