28 lines
1.2 KiB
YAML
28 lines
1.2 KiB
YAML
---
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upgrade:
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- |
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The default value for the "cpu_allocation_ratio", "ram_allocation_ratio"
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and "disk_allocation_ratio" configurations have been changed to ``None``.
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The ``initial_cpu_allocation_ratio``, ``initial_ram_allocation_ratio`` and
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``initial_disk_allocation_ratio`` configuration options have been added to
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the ``DEFAULT`` group:
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- initial_cpu_allocation_ratio with default value 16.0
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- initial_ram_allocation_ratio with default value 1.5
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- initial_disk_allocation_ratio with default value 1.0
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These options help operators specify initial virtual CPU/ram/disk to
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physical CPU/ram/disk allocation ratios. These options are only used when
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initially creating the ``computes_nodes`` table record for a given
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nova-compute service.
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Existing ``compute_nodes`` table records with ``0.0`` or ``None`` values
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for ``cpu_allocation_ratio``, ``ram_allocation_ratio`` or
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``disk_allocation_ratio`` will be migrated online when accessed or when
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the ``nova-manage db online_data_migrations`` command is run.
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For more details, refer to the `spec`__.
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.. __: https://specs.openstack.org/openstack/nova-specs/specs/stein/approved/initial-allocation-ratios.html
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