HowTo

Here are some step-by-step guides for common tasks working with Aiven for OpenSearch. If there’s an example you’d find useful that isn’t here, please open an issue and let us know?

• Use Aiven for OpenSearch with cURL
  • Variables
  • Connect to OpenSearch
  • Manage indices
    • Create an index
    • List of indices
    • Add an item to the index
  • Search or retrieve data
    • Search all items
    • Simple search
    • Advanced search options
• Migrate Elasticsearch data to Aiven for OpenSearch
• Upgrade to OpenSearch
  • Fork an existing Elasticsearch to OpenSearch
  • Fork an existing Elasticsearch to Elasticsearch
  • Upgrade from Elasticsearch to OpenSearch
• Upgrade to OpenSearch with Terraform
• Upgrade Elasticsearch clients to OpenSearch
  • Migration steps
  • What if you can’t upgrade immediately?
  • Client migration examples
    • Java and Spring Boot
    • NodeJS
• Connect to OpenSearch cluster with NodeJS
• Write search queries with OpenSearch and NodeJS
  • Prepare the playground
    • File structure and GitHub repository
    • Connect to the cluster and load data
    • Extra helpers
  • Query the data
    • Find matching field values
    • Find fields with a value within a range
    • Find fields with fuzzy text matching
    • Find best match with multiple search words
    • Find matching phrases
    • Search with query string syntax
    • Combine queries to improve results
  • What’s next?
  • Resources
• Use Aggregations with OpenSearch and NodeJS
  • Prepare the playground
    • File structure and GitHub repository
    • Connect to the cluster and load data
  • Aggregations
    • Structure and syntax
  • Metrics aggregations
    • Average value
    • Other simple metrics
    • Cardinality
    • Field statistics
    • Percentiles
  • Bucket aggregations
    • Buckets based on ranges
    • Buckets for every unique value
    • Find least frequent items
    • Histograms
  • Pipeline aggregations
    • Calculate moving average
    • Other moving functions
  • What’s next
  • Resources
• Control access to content in your service
  • Switch on ACL support for your service
  • Define ACLs
• Restore an OpenSearch backup
• Set index retention patterns
• Switch off automatic replication factor adjustment
• Create alerts with OpenSearch API