Placement group configuration¶
Placement groups can be configured through a set of key/value configuration options. See How to use placement groups for instructions on how to create and manage placement groups.
The key/value configuration is namespaced. The following options are available:
Placement group options¶
Placement groups require two configuration keys to control instance placement behavior across cluster members.
| Key: | policy |
| Type: | string |
| Required: | yes |
Determines whether instances are spread across cluster members or compacted onto the same cluster member(s).
Possible values are spread and compact.
See Automatic placement of instances for more information.
| Key: | rigor |
| Type: | string |
| Required: | yes |
Determines whether the policy is strictly enforced or allows fallback.
Possible values are strict and permissive.
See Automatic placement of instances for more information.