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    25.3
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    CRD Reference
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    Overview
    Apache Airflow Apache Druid Apache HBase Apache Hadoop HDFS Apache Hive Apache Kafka Apache NiFi Apache Spark on K8S Apache Superset Trino Apache ZooKeeper
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    Stackable Documentation

      • Quickstart
      • Kubernetes
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      • Operators
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        • Apache Airflow
          • Getting started
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              • DruidCluster
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        • Apache HBase
          • Getting started
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            • Operations
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          • Reference
            • CRD Reference
              • HbaseCluster
            • Discovery
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        • Apache Hadoop HDFS
          • Getting started
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            • Service exposition with ListenerClasses
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          • Reference
            • CRD Reference
              • HdfsCluster
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        • Apache Hive
          • Getting started
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            • Data storage backends
            • Derby example
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          • Reference
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              • HiveCluster
            • Discovery
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        • Apache Kafka
          • Getting started
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          • Reference
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        • Apache NiFi
          • Getting started
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            • Service exposition with ListenerClasses
            • Connecting NiFi to Apache ZooKeeper
            • Adding external files to the NiFi servers
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          • Troubleshooting
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        • Apache Spark on K8S
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        • Apache Superset
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        • Trino
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            • Catalogs
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          • Reference
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              • TrinoCluster
              • TrinoCatalog
            • Command line parameters
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        • Apache ZooKeeper
          • Getting started
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          • Concepts
            • ZNodes
          • Usage guide
            • Service exposition with ListenerClasses
            • Encryption
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              • Cluster Operation
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          • Reference
            • CRD Reference
              • ZookeeperCluster
              • ZookeeperZnode
            • Discovery Profiles
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        • OpenPolicyAgent
          • Getting started
            • Installation
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          • Usage guide
            • Service exposition with ListenerClasses
            • Defining policies
            • User info fetcher
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        • Commons
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              • AuthenticationClass
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          • Installation
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          • Reference
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              • Listener
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        • Secret
          • Installation
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          • Concepts
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            • Scope
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              • SecretClass
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      • Management
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        • Glossary
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      • Contributor’s guide
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          • Source code style guide
          • Implementing log aggregation
          • Implementing service discovery
          • Implementing OPA authorization
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        • Contributing to documentation
          • Documentation overview
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          • Using tab blocks
          • Backporting changes
          • Releasing a new documentation version
          • Troubleshooting Antora build errors
          • CRD documentation
        • Architectural Decision Records
          • Current
            • ADR001: Use English as Documentation Language
            • ADR002: Use Multiple Repositories instead of one Large Repository
            • ADR003: Use RTC as Review Mechanism for Changes
            • ADR004: Use Rust as programming language for the agent
            • ADR005: Decide on handling and location of systemd unit files
            • ADR007: Decide if Kubernetes Components Are to be Reused for Stackable
            • ADR008: Allow Reuse of Existing Kubernetes Operators
            • ADR009: Assigning Services to Nodes
            • ADR010: Expressing one-shot commands in a Kubernetes-native way
            • ADR011: Directory Structure Used by Stackable Components on Managed Hosts
            • ADR012: Authentication token management
            • ADR013: Supported Kubernetes versions
            • ADR014: User Authentication for Products
            • ADR015: How Should Operators Use Values from ConfigMaps & Secrets
            • ADR016: Representation of S3 Buckets in CRDs
            • ADR017: TLS authentication
            • ADR018: Product Image Versioning
            • ADR019: Trino catalog definitions
            • ADR020: Trino catalog usage
            • ADR021: Initial Version of Stackable Stacks Functionality
            • ADR022: Spark history server
            • ADR023: Product image selection
            • ADR024: How to provide stable out-of-cluster access to products
            • ADR025: Logging and Log Aggregation Architecture
            • ADR026: Affinities
            • ADR027: Resource Status
            • ADR028: Automatic stackable version selection
            • ADR029: Standardize database connections
            • ADR030: Allowed Pod disruptions
            • ADR031: Resource Labels and Namespacing
            • ADR032: OIDC Support
            • ADR034: Foundation for conversion webhooks deployment
            • ADR035: User info fetcher CRD changes
          • Deprecated
            • Use X as storage backend for the orchestrator
          • Drafts
            • Choose Authorization Engine
      • Release notes
      • Product information
      • Lifecycle policies
      • Licenses
      • Export Control
    Stackable Documentation 25.3
    • SDP Management
      • nightly
    • Stackable Documentation
      • nightly
      • 25.3
      • 24.11
      • 24.7
      • 24.3
      • 23.11
      • 23.7
      • 23.4
      • 23.1
    • Stackable Documentation
    • Operators
    • Apache Hadoop HDFS
    • Reference
    • CRD Reference
    Edit this Page

    CRD Reference

    Find all CRD reference for the Stackable Operator for Apache HDFS at: https://crds.stackable.tech/hdfs-operator/25.3.0.

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