Nova 컴퓨트 스케줄러

1 개요

Compute schedulers
컴퓨트 스케줄러

https://docs.openstack.org/nova/2024.1/admin/scheduling.html

2 Prefilters

2.1 Compute Image Type Support

2.2 Compute Disabled Status Support

2.3 Isolate Aggregates

3 The Filter Scheduler

4 Filters

AggregateImagePropertiesIsolation AggregateInstanceExtraSpecsFilter AggregateIoOpsFilter AggregateMultiTenancyIsolation AggregateNumInstancesFilter AggregateTypeAffinityFilter AllHostsFilter ComputeCapabilitiesFilter

5 ComputeFilter

6 DifferentHostFilter

6.1 ImagePropertiesFilter

6.2 IsolatedHostsFilter

6.3 IoOpsFilter

6.4 JsonFilter

6.5 MetricsFilter

6.6 NUMATopologyFilter

6.7 NumInstancesFilter

6.8 PciPassthroughFilter

6.9 SameHostFilter

6.10 ServerGroupAffinityFilter

6.11 ServerGroupAntiAffinityFilter

6.12 SimpleCIDRAffinityFilter

7 Weights

7.1 RAMWeigher

7.2 CPUWeigher

7.3 DiskWeigher

7.4 MetricsWeigher

7.5 IoOpsWeigher

7.6 PCIWeigher

7.7 ServerGroupSoftAffinityWeigher

7.8 ServerGroupSoftAntiAffinityWeigher

7.9 BuildFailureWeigher

7.10 CrossCellWeigher

7.11 HypervisorVersionWeigher

7.12 NumInstancesWeigher

8 Utilization-aware scheduling

9 Allocation ratios

10 Cells considerations

10.1 Command-line interface

11 Compute capabilities as traits

12 Writing Your Own Filter

13 Writing your own weigher