Package org.apache.iotdb.confignode.manager.load.balancer.router.priority

Interface IPriorityBalancer

All Known Implementing Classes:

GreedyPriorityBalancer, LeaderPriorityBalancer

public interface IPriorityBalancer

Field Summary

Fields

Modifier and Type	Field	Description
static final String	GREEDY_POLICY
static final String	LEADER_POLICY

Method Summary

Modifier and Type	Method	Description
Map<TConsensusGroupId,TRegionReplicaSet>	generateOptimalRoutePriority(List<TRegionReplicaSet> replicaSets, Map<TConsensusGroupId,Integer> regionLeaderMap)	Generate an optimal route priority.

Field Details

LEADER_POLICY

static final String LEADER_POLICY

See Also:

• Constant Field Values

GREEDY_POLICY

static final String GREEDY_POLICY

See Also:

• Constant Field Values

Method Details

generateOptimalRoutePriority

Map<TConsensusGroupId,TRegionReplicaSet> generateOptimalRoutePriority(List<TRegionReplicaSet> replicaSets,
 Map<TConsensusGroupId,Integer> regionLeaderMap)

Generate an optimal route priority.

Parameters:

replicaSets - All RegionGroups

regionLeaderMap - The current leader of each RegionGroup

Returns:

Map<TConsensusGroupId, TRegionReplicaSet>, The optimal route priority for each RegionGroup. The replica with higher sorting result have higher priority.