| AlertHistory |
Maintains a history of alerts that have been fired, as well as actions taken, if any. |
| Alerts |
Describe alerts and corresponding metrics. |
| AlertStatus |
Get characteristics of alerts, whether they were fired, and their context. |
| ClusterConfiguration |
Persisted configuration properties for a cluster
|
| ClusterConstraints |
All of the constraints on a given cluster and its subcomponents, both physical and logical. |
| ConfigScope |
This class is deprecated.
replaced by HelixConfigScope
|
| ConstraintItem |
A single constraint and its associated attributes
|
| CurrentState |
Current states of partitions in a resource for an instance. |
| Error |
Defines an error that occurs in computing a valid ideal state or external view
|
| ExternalView |
External view is an aggregation (across all instances)
of current states for the partitions in a resource
|
| HealthStat |
Represents a set of properties that can be queried to determine the health of instances on a
Helix-managed cluster
|
| HelixConfigScope |
config-scope that replaces @link ConfigScope
|
| IdealState |
The ideal states of all partitions in a resource
|
| InstanceConfig |
Instance configurations
|
| LeaderHistory |
The history of instances that have served as the leader controller
|
| LiveInstance |
Instance that connects to zookeeper (stored ephemerally)
|
| Message |
Messages sent internally among nodes in the system to respond to changes in state. |
| Partition |
A distinct partition of a resource
Deprecated. |
| PartitionConfiguration |
Persisted configuration properties for a partition
|
| PauseSignal |
Represent a pause in the cluster
|
| PersistentStats |
Statistics for an instance
|
| Resource |
A resource contains a set of partitions and its replicas are managed by a state model
|
| ResourceAssignment |
Represents the assignments of replicas for an entire resource, keyed on partitions of the
resource. |
| ResourceConfiguration |
Persisted configuration properties for a resource
|
| StateModelDefinition |
Describe the state model
|
| StateModelDefinition.Builder |
Construct a state model
|
| StatusUpdate |
Wraps updates to Helix constructs, e.g. |
| Transition |
Defines a transition from one state to another
|