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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
Logan V 6 months ago
parent
commit
5a0b86b855
1 changed files with 1 additions and 0 deletions
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      openstack_deploy/user_variables.yml

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openstack_deploy/user_variables.yml View File

@@ -35,6 +35,7 @@ nova_console_type: novnc
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 # The intent is to allow flexible ratios (to a point) while using ram as the
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 # bottom line limiting factor in determining a full host normally.
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 nova_cpu_mode: host-passthrough
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+nova_libvirt_disk_cachemodes: writeback
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 nova_compute_ksm_enabled: True
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 nova_cpu_allocation_ratio: 10
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 nova_disk_allocation_ratio: 5

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