There are operations added on to the Swift REST API that are specific to StorageGRID Webscale system.
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GET container consistency request
Consistency level makes a trade-off between the availability of the objects and the consistency of those objects across different Storage Nodes and sites. The GET container consistency request allows you to determine the consistency level being applied to a particular container.
PUT container consistency request
The PUT container consistency request allows you to specify the consistency level to apply to operations performed on a container. By default, new containers are created using the "read-after-new-write" consistency level.