Elassandra documentation

Elassandra closely integrates Elasticsearch in Cassandra.

Contents:

• Architecture
  • Concepts Mapping
  • Durability
  • Shards and Replicas
  • Write path
  • Search path
  • Mapping and CQL schema management
• Quick Start
  • Create an Elasticsearch index from a Cassandra table
  • Create an Elasticsearch index from scratch
  • Search for a document
  • Manage Elasticsearch indices
• Installation
  • Tarball
  • Deb
  • Rpm
  • Docker image
    • Start an Elassandra server instance
    • Environment Variables
    • Files locations
    • Exposed ports
    • Create a cluster
  • Helm chart
  • Google Kubernetes Marketplace
• Configuration
  • Directory Layout
  • Configuration
  • Logging configuration
  • Multi datacenter configuration
  • Elassandra Settings
  • Sizing and tuning
    • Write performance
    • Search performance
• Mapping
  • Type mapping
  • Bi-directional mapping
  • Meta-Fields
  • Mapping change with zero downtime
  • Partitioned Index
  • Object and Nested mapping
  • Dynamic mapping of Cassandra Map
    • Dynamic Template with Dynamic Mapping
  • Parent-Child Relationship
  • Indexing Cassandra static columns
  • Elassandra as a JSON-REST Gateway
  • Elasticsearch pipeline processors
  • Check Cassandra consistency with Elasticsearch
• Operations
  • Indexing
  • GETing
  • Updates
  • Searching
    • Optimizing search requests
    • Caching features
  • Create, delete and rebuild index
  • Open, close index
  • Flush, refresh index
  • Managing Elassandra nodes
  • Backup and restore
    • Restoring a snapshot
    • Point in time recovery
    • Restoring to a different cluster
  • Data migration
    • Migrating from Cassandra to Elassandra
    • Migrating from Elasticsearch to Elassandra
• Search through CQL
  • Configuration
  • Search request through CQL
  • Paging
  • Routing
  • CQL Functions
  • Elasticsearch aggregations through CQL
  • Distributed Elasticsearch aggregation with Apache Spark
  • CQL Driver integration
  • Application UNIT Tests
  • CQL Tracing
• Enterprise
  • Install
  • License management
    • License installation
    • Checking your license
    • Upgrading your license
  • JMX Managment & Monitoring
    • JMX Monitoring
    • Monitoring Elassandra with InfluxDB
    • Monitoring Elassandra with Prometheus
    • Monitoring Elassandra through the Prometheus Operator
    • Enable/Disable search on a node
  • SSL Network Encryption
    • Elasticsearch SSL configuration
    • JMX traffic Encryption
  • Authentication and Authorization
    • Authenticated search request through CQL
    • Cassandra internal authentication
    • Cassandra LDAP authentication
    • Elasticsearch Authentication, Authorization and Content-Based Security
    • Privileges
    • Permissions
    • Privilege caching
  • Integration
    • Application UNIT Tests
    • Secured Transport Client
    • Multi-user Kibana configuration
    • Kibana and Content-Based Security
    • Elasticsearch Spark connector
    • Cassandra Spark Connector
  • Elasticsearch Auditing
    • Logback Audit
    • CQL Audit
  • Limitations
    • Content-Based Security Limitations
• Integration
  • Integration with an existing Cassandra cluster
    • Rolling upgrade from Cassandra to Elassandra
    • Create a new Elassandra datacenter
  • Installing Elasticsearch plugins
  • Running Kibana with Elassandra
  • JDBC Driver sql4es + Elassandra
  • Running Spark with Elassandra
• Testing
  • Testing environnement
  • Elassandra build tests
  • Application tests with Elassandra-Unit
• Breaking changes and limitations
  • Deleting an index does not delete cassandra data
  • Nested or Object types cannot be empty
  • Document version is meaningless
  • Primary term and Sequence Number
  • Index and type names
  • Column names
  • Null values
  • Refresh on write
  • Elasticsearch unsupported features
  • Cassandra limitations

Indices and tables

• Index
• Module Index
• Search Page