NewCNState creates a new CNState.

NewLogState creates a new LogState.

NewProxyState creates a new ProxyState.

NewRSMState creates a new HAKeeperRSMState instance.

NewTNState creates a new DNState.

HeaderSize is the size of the header for each logservice and hakeeper command.

NoLeader is the replica ID of the leader node.

BackupData is the information that needs to backup, including NextID and NextIDByKey in HAKeeperRSMState.

CheckerState contains all HAKeeper state required for making schedule commands.

ClusterInfo provides a global view of all shards in the cluster.

CNAllocateID is the periodic message sent tp the HAKeeper by CN stores.

CNState contains all CN details known to the HAKeeper.

CNStoreHeartbeat is the periodic message sent tp the HAKeeper by CN stores.

CNStoreInfo contains information on a CN store.

ConfigChange is the detail of a config change.

ConfigData is the content of config on cn,tn,log and proxy.

CreateTaskService start task service at current node.

DeleteCNStore deletes CN store from CNState to save hakeeper's memory.

DeleteProxyStore deletes Proxy store from ProxyState to save hakeeper's memory.

HAKeeperRSMState contains state maintained by HAKeeper's RSM.

LogRecord is what we store into the LogService.

LogReplicaInfo contains information of a log replica.

LogShardInfo contains information a log shard.

LogStoreHeartbeat is the periodic message sent to the HAKeeper by Log Stores.

LogStoreInfo contains information of all replicas found on a Log store.

Replica of the shard.

ReplicaInfo contains details of a replica.

ScheduleCommand contains a shard schedule command.

ShardInfoQueryResult contains the result of the shard info query.

ShutdownStore would stop store.

TNShardInfo contains information of a launched TN shard.

TNState contains all TN details known to the HAKeeper.

TNStoreHeartbeat is the periodic message sent to the HAKeeper by TN stores.

TNStoreInfo contains information on a TN store.

ConfigChangeType indicates config change command type.

HAKeeperState state transition diagram HAKeeperCreated │ │ cluster init info set ▼ HAKeeperBootstrapping │ │ init schedule commands received ▼ HAKeeperBootstrapCommandsReceived │ │ ┌───────────┴───────────┐ │ time out │ bootstrap successfully ▼ ▼ HAKeeperBootstrapFailed HAKeeperRunning.

ServiceType specifies type of service.

TaskSchedulerState state transition diagram TaskSchedulerCreated │ │ setTaskTableUser() ▼ TaskSchedulerStarted │ ▲ │ │ ▼ │ TaskSchedulerStopped.