Module org.elasticsearch.server
Package org.elasticsearch.cluster.routing

Interface RoutingChangesObserver

All Known Implementing Classes:
IndexMetadataUpdater, ResizeSourceIndexSettingsUpdater, RestoreService.RestoreInProgressUpdater, RoutingChangesObserver.DelegatingRoutingChangesObserver, RoutingNodesChangedObserver, ShardChangesObserver
public interface RoutingChangesObserver
Records changes made to RoutingNodes during an allocation round.

  • Method Details

    • shardInitialized

      default void shardInitialized(ShardRouting unassignedShard, ShardRouting initializedShard)
      Called when unassigned shard is initialized. Does not include initializing relocation target shards.

    • shardStarted

      default void shardStarted(ShardRouting initializingShard, ShardRouting startedShard)
      Called when an initializing shard is started.

    • relocationStarted

      default void relocationStarted(ShardRouting startedShard, ShardRouting targetRelocatingShard, String reason)
      Called when relocation of a started shard is initiated.

    • unassignedInfoUpdated

      default void unassignedInfoUpdated(ShardRouting unassignedShard, UnassignedInfo newUnassignedInfo)
      Called when an unassigned shard's unassigned information was updated

    • relocationFailureInfoUpdated

      default void relocationFailureInfoUpdated(ShardRouting relocatedShard, RelocationFailureInfo relocationFailureInfo)
      Called when a relocating shard's failure information was updated

    • shardFailed

      default void shardFailed(ShardRouting failedShard, UnassignedInfo unassignedInfo)
      Called when a shard is failed or cancelled.

    • relocationCompleted

      default void relocationCompleted(ShardRouting removedRelocationSource)
      Called on relocation source when relocation completes after relocation target is started.

    • relocationSourceRemoved

      default void relocationSourceRemoved(ShardRouting removedReplicaRelocationSource)
      Called on replica relocation target when replica relocation source fails. Promotes the replica relocation target to ordinary initializing shard.

    • replicaPromoted

      default void replicaPromoted(ShardRouting replicaShard)
      Called when started replica is promoted to primary.

    • initializedReplicaReinitialized

      default void initializedReplicaReinitialized(ShardRouting oldReplica, ShardRouting reinitializedReplica)
      Called when an initializing replica is reinitialized. This happens when a primary relocation completes, which reinitializes all currently initializing replicas as their recovery source node changes