From 5a0b86b855fdd3ba39a18ac8820b3a01e6f88dd1 Mon Sep 17 00:00:00 2001 From: Logan V Date: Mon, 24 Sep 2018 23:56:04 -0500 Subject: [PATCH] Use cache mode 'writeback' for instances This is an unsafe cache mode in production, but since this cloud only runs ephemeral test instances for CI, use cache mode writeback for maximum disk IO. Change-Id: I9c0f50c9182d0372e232f517cb431559eb98d233 --- openstack_deploy/user_variables.yml | 1 + 1 file changed, 1 insertion(+) diff --git a/openstack_deploy/user_variables.yml b/openstack_deploy/user_variables.yml index 7965417..de54415 100644 --- a/openstack_deploy/user_variables.yml +++ b/openstack_deploy/user_variables.yml @@ -35,6 +35,7 @@ nova_console_type: novnc # The intent is to allow flexible ratios (to a point) while using ram as the # bottom line limiting factor in determining a full host normally. nova_cpu_mode: host-passthrough +nova_libvirt_disk_cachemodes: writeback nova_compute_ksm_enabled: True nova_cpu_allocation_ratio: 10 nova_disk_allocation_ratio: 5