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EDB Postgres Distributed -PGD 6.5.0 documentation - Home
  • Introduction
  • EDB Postgres Distributed 6 release notes
    • EDB Postgres Distributed 6.5.0 release notes
    • EDB Postgres Distributed 6.4.0 release notes
    • EDB Postgres Distributed 6.3.1 release notes
    • EDB Postgres Distributed 6.3.0 release notes
    • EDB Postgres Distributed 6.2.0 release notes
    • EDB Postgres Distributed 6.1.2 release notes
    • EDB Postgres Distributed 6.1.1 release notes
    • EDB Postgres Distributed 6.1.0 release notes
    • EDB Postgres Distributed 6.0.2 release notes
    • EDB Postgres Distributed 6.0.1 release notes
  • Quickstart guide
    • Creating your first cluster
    • Working with SQL and the PGD cluster
    • Loading data into your PGD Cluster
    • Using PGD CLI
  • Overview
    • Postgres Distributed terminology
    • Known issues and limitations
    • PGD compatibility
    • Product lifecycle and release roadmap
  • Planning your PGD deployment
    • Deployment patterns
      • Single data group
      • Two data groups, active-active
      • Three data groups, active-active-active
      • Single data group, global read scaling
      • Primary active group, DR group
      • Multiple locations, data residency
    • Choosing a Postgres distribution
    • Choosing your deployment method
    • Comparing replication solutions
    • Choosing between Physical Streaming Replication (PSR) and EDB Postgres Distributed (PGD)
    • Other considerations
      • Sizing
      • Time and PGD
  • Installing and configuring EDB Postgres Distributed
    • Manually
      • Prerequisites
      • Configuring PGD repositories
      • Installing the database and pgd
      • Configuring the cluster
      • Checking the cluster
      • Connecting to your PGD cluster
    • Deploying and configuring PGD using TPA
    • Deploying and configuring PGD on Kubernetes
    • Deploying and configuring PGD on Hybrid Manager
  • Upgrading
    • Upgrading PGD clusters manually
    • Supported PGD upgrade paths
    • Compatibility changes
    • Upgrading application schemas
    • In-place Postgres or Postgres and PGD major version upgrades
    • Performing a Postgres major version rolling upgrade on a PGD cluster
  • Maintaining your PGD cluster
    • Testing and tuning PGD clusters
    • Backup and recovery
    • Monitoring
      • Monitoring through SQL
      • Using the PGD Monitor
        • Using the web UI
        • Using Prometheus
    • Migrating to Postgres Distributed (PGD)
      • Migrating from Postgres Physical Streaming Replication (PSR) to PGD
        • Preparing your environment
        • Transferring data to the seed node
        • Converting to logical replication
        • Upgrading the seed node and installing PGD
        • Initializing PGD
        • Joining additional PGD nodes
        • Application cutover
        • Performing cleanup
  • Guidance for DBAs
    • Ensuring security
      • Setting up access controls
        • Securing inter-node connections
        • Securing client application connections
      • Encrypting columns in PGD
    • Configuring connection pooling
    • Managing geo-replication
      • Choosing a geo-replication deployment pattern
      • Setting up your geo-replication topology
      • Configuring routing
      • Configuring commit scopes for geo-replication
      • Controlling replication lag
      • Replication and sequence tuning
      • Performing cluster maintenance
    • Using tiered storage
      • Setting up PGAA
      • Implementing tiered tables
      • Replicating to analytics
      • Offloading to analytics
    • Recovering from failures
      • Handling replication apply errors
      • Recovering a failed node
  • Guidance for Developers
    • Designing applications for PGD
      • Assessing an existing application for PGD
      • Preparing your application for PGD
    • Achieving durability with commit scopes
      • Using predefined scopes
      • Fine-tuning with custom scopes
    • Using connection pooling in your application
    • Developing applications for geo-replication
      • Connecting through Connection Manager
      • Choosing commit scopes
      • Preventing conflicts
      • Configuring selective replication
      • Handling retries and failures
      • Running DDL safely
  • Deep Dive
    • Node types and capabilities
      • An overview of PGD Node types
      • Witness nodes
      • Logical standby nodes
      • Subscriber-only nodes and groups
        • An overview of Subscriber-only nodes
        • Creating Subscriber-only groups and nodes
        • Joining nodes to a Subscriber-only group
        • Optimizing subscriber-only groups
    • Node management
      • Creating PGD nodes
      • Groups and subgroups
      • Creating and joining PGD groups
      • Viewing PGD topology
      • Removing nodes and groups
      • Node restart and down node recovery
      • Automatic synchronization
      • Node UUIDs
      • Replication slots created by PGD
    • Connection Manager
      • Connection Manager overview
      • Connection Manager Authentication
      • Connection pooling
      • Load Balancing with Connection Manager
      • Configuring Connection Manager
      • Monitoring the Connection Manager
    • Postgres configuration
    • AutoPartition in PGD
    • Working with
      • Overview of durability options
      • Durability terminology
      • Commit scopes
      • Predefined commit scopes
      • Commit scope groups
      • Commit scope rules
      • Comparing durability options
      • Degrading commit scope rules
      • Commit Scope Kinds
        • Synchronous Commit
        • Quorum Commit
        • Commit At Most Once
        • Lag Control
        • Group Commit (legacy)
      • Administering
      • Legacy synchronous replication using PGD
      • Internal timing of operations
    • Conflict Management
      • Conflicts
        • Overview
        • Types of Conflict
        • Conflict detection
        • Conflict resolution
        • Conflict logging
        • Data verification with LiveCompare
      • Column-level conflict detection
        • Overview
        • Enabling and disabling column-level conflict resolution
        • Timestamps in column-level conflict resolution
      • Conflict-free replicated data types
        • CRDTs Overview
        • Using CRDTs
        • Operation-based and state-based CRDTs
        • CRDT Disk-space requirements
        • CRDTs vs conflict handling/reporting
        • Resetting CRDT values
        • Implemented CRDTs
    • Advanced functionality
      • DDL replication
        • DDL overview
        • DDL replication options
        • DDL locking details
        • Managing DDL with PGD replication
        • DDL command handling matrix
        • DDL and role manipulation statements
        • Workarounds for DDL restrictions
        • PGD functions that behave like DDL
      • Application use
        • DML and DDL replication and nonreplication
        • Nodes with differences
        • Timing considerations and synchronous replication
        • Using extensions with PGD
        • Use of table access methods (TAMs) in PGD
        • Feature compatibility
      • Decoding worker
      • CDC Failover support
      • Parallel Apply
      • Replication sets
      • Security and roles
        • Roles
        • Role management
        • PGD predefined roles
        • Roles and replication
        • Access control
      • Sequences
      • Replicated large objects
      • Stream triggers
      • Transaction streaming
      • Explicit two-phase commit (2PC)
  • Referecne
    • PGD Reference
      • Tables, views and functions reference
        • User visible catalogs and views
        • System functions
        • Monitoring metrics reference
        • PGD settings
        • Node management
        • Node management interfaces
        • Routing functions
        • Commit scopes
        • Conflicts
        • Conflict functions
        • Replication set management
        • Replication set membership
        • DDL replication filtering
        • Testing and tuning commands
        • Global sequence management interfaces
        • Large object functions
        • Autopartition
        • Stream triggers reference
        • Internal catalogs and views
        • Internal system functions
        • Column-level conflict functions
      • EDB Postgres Distributed Command Line Interface (PGD CLI)
        • Installing PGD CLI
        • Using PGD CLI
        • Configuring PGD CLI
        • Discovering connection strings
        • Command reference
  • .rst

  • Administering
    • Planned shutdown and restarts
  • Legacy synchronous replication using PGD
    • Usage
    • Comparison
    • Postgres configuration parameters
    • Migration to commit scopes
  • Internal timing of operations

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Administering

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