Apache Solr | Solr Admin UI (Solr Cloud)
  1. Welcome Page
  2. Nodes
  3. Collections
  4. Cores
  1. Welcome Page
    Access the default page of Solr: http://localhost:8983/solr

    Apache Solr - Dashboard

    • Dashboard
      • Instance: When the instance was started.
      • Versions: Solr/Lucene versions.
      • System: Disk/memory information.
      • JVM: JRE/CPU information + Solr JVM arguments.
      • JVM-Memory: JVM memory allocation/usage.

    • Logging: shows solr logging (Time, Level, Core, Logger, Message).
      • Level: Allows adjusting logging level (runtime).

    • Cloud:
      • Nodes: Shows the hosts where Solr nodes are installed and for each node it shows details about the node, CPU, Heap, Disk usage, Requests, Collections, and Replicas.
      • Tree: Show Solr config as stored in ZooKeeper.
      • ZK Status: ZooKeeper status.
      • Graph: Nodes/Collections/Shards/Replicas overview.
      • Graph (Radial): Nodes/Collections/Shards/Replicas overview.

    • Collections:
      • Collections/Shards/Replicas overview.
      • Add and delete collections.
      • Add and delete replicas.
      • Add and delete aliases.

    • Java Properties: Java system properties + Solr Java properties.

    • Thread Dump: Java thread dump.

    • Suggestions: Cluster suggestions.
  2. Nodes
    Apache Solr - Cloud/Nodes
  3. Collections
    Apache Solr - collection6

    Collection Selector:
    • Overview: Collection/Shards/Replicas overview.

    • Analysis: Indexing/query fields analysis (debug issues with indexing and queries).

    • Dataimport: Data Import Handler (DIH) information.

    • Documents: Interface to create documents (Document Builder, File Upload, JSON, XML, CSV).

    • Files: Collection configuration as saved in ZooKeeper (managed-schema, solrconfig.xml, ...).

    • Query: Interface to search documents.

    • Stream: Interface to execute stream expressions.

    • Schema: Fields details (type, properties, index/query analyzers). Add and delete fields.
  4. Cores
    Apache Solr - collection6-shard1

    Apache Solr - Plugins / Stats

    Core Selector:
    • Overview:

      • Statistics: Num Docs, Max Doc, Deleted Docs, ...

      • Replication (Master): replication information.

      • Instance: Data path (solr root, replicas, data, index, ...)

      • Healthcheck: Health check.

    • Ping: Ping solr node.

    • Plugins / Stats: Shows statistics and metrics.

    • Segments info: Lucene files (called segments in Lucene).

© 2025  mtitek