| Name | Description | Type | Package | Framework |
| ClusterStateMutator | Class | org.apache.solr.cloud.overseer | Apache Solr Lucene | |
| CollectionMutator | Class | org.apache.solr.cloud.overseer | Apache Solr Lucene | |
| Overseer | Cluster leader. | Class | org.apache.solr.cloud | Apache Solr Lucene |
| Overseer .FailedOp | Class | org.apache.solr.cloud.Overseer | Apache Solr Lucene | |
| Overseer .Stat | Class | org.apache.solr.cloud.Overseer | Apache Solr Lucene | |
| Overseer .Stats | Used to hold statistics about overseer operations. | Class | org.apache.solr.cloud.Overseer | Apache Solr Lucene |
| OverseerAction | Enum of actions supported by the overseer only. | Class | org.apache.solr.cloud.overseer | Apache Solr Lucene |
| OverseerAutoReplicaFailoverThread | In this simple initial implementation we are limited in how quickly we detect a failure by a worst case of roughly zk session timeout + WAIT_AFTER_EXPIRATION_SECONDS + WORK_LOOP_DELAY_MS | Class | org.apache.solr.cloud | Apache Solr Lucene |
| OverseerCollectionProcessor | Class | org.apache.solr.cloud | Apache Solr Lucene | |
| OverseerSolrResponse | Class | org.apache.solr.cloud | Apache Solr Lucene | |
| ReplicaMutator | Class | org.apache.solr.cloud.overseer | Apache Solr Lucene | |
| SliceMutator | Class | org.apache.solr.cloud.overseer | Apache Solr Lucene | |
| ZkStateWriter | Class | org.apache.solr.cloud.overseer | Apache Solr Lucene | |
| ZkStateWriter .ZkWriteCallback | Interface | org.apache.solr.cloud.overseer.ZkStateWriter | Apache Solr Lucene | |
| ZkWriteCommand | Class | org.apache.solr.cloud.overseer | Apache Solr Lucene | |