Uses of Package
org.apache.hadoop.ha
Packages that use org.apache.hadoop.ha
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Classes in org.apache.hadoop.ha used by org.apache.hadoop.haClassDescriptionThis class implements a simple library to perform leader election on top of Apache Zookeeper.Exception thrown when there is no active leaderCallback interface to interact with the ActiveStandbyElector object.Indicates that the operator has specified an invalid configuration for fencing methods.Exception thrown to indicate service failover has failed.A fencing method is a method by which one node can forcibly prevent another node from making continued progress.UsageInfo class holds args and help details.Protocol interface that provides High Availability related primitives to monitor and fail-over the service.An HA service may be in active or standby state.Information describing the source for a request to change state.Represents a target of the client side HA administration commands.Exception thrown to indicate that health check of a service failed.This class parses the configured list of fencing methods, and is responsible for trying each one in turn while logging informative output.Exception thrown to indicate that an operation performed to modify the state of a service or application failed.Protocol exposed by the ZKFailoverController, allowing for graceful failover.
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Classes in org.apache.hadoop.ha used by org.apache.hadoop.ha.protocolPBClassDescriptionProtocol interface that provides High Availability related primitives to monitor and fail-over the service.Information describing the source for a request to change state.Protocol exposed by the ZKFailoverController, allowing for graceful failover.