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Update application failover purge mode comments 

Signed-off-by: RainbowMango <qdurenhongcai@gmail.com>
This commit is contained in:
RainbowMango 2024-11-16 15:30:16 +08:00
parent 3acc14c0f0
commit d0497d41ce
1 changed files with 8 additions and 2 deletions
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10
pkg/apis/policy/v1alpha1/propagation_types.go
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@ -259,13 +259,19 @@ type SuspendClusters struct {
ClusterNames []string `json:"clusterNames,omitempty"`
}
// PurgeMode represents that how to deal with the legacy applications on the
// PurgeMode represents how to deal with the legacy application on the
// cluster from which the application is migrated.
type PurgeMode string
const (
// Immediately represents that Karmada will immediately evict the legacy
// application.
// application. This is useful in scenarios where an application can not
// tolerate two instances running simultaneously.
// For example, the Flink application supports exactly-once state consistency,
// which means it requires that no two instances of the application are running
// at the same time. During a failover, it is crucial to ensure that the old
// application is removed before creating a new one to avoid duplicate
// processing and maintaining state consistency.
Immediately PurgeMode = "Immediately"
// Graciously represents that Karmada will wait for the application to
// come back to healthy on the new cluster or after a timeout is reached