Features by engine version in Amazon OpenSearch Service - Amazon OpenSearch Service
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

Features by engine version in Amazon OpenSearch Service

Many OpenSearch Service features have a minimum OpenSearch version requirement or legacy Elasticsearch OSS version requirement. If you meet the minimum version for a feature, but the feature isn't available on your domain, update your domain's service software.

Feature

Minimum required OpenSearch version

Minimum required Elasticsearch version

Derived source

3.1

Not included

Star-tree index

Amazon Q support

2.17

Not included

Custom plugins

2.15

Not included

Concurrent segment search

2.13

Not included

Natural language query generation

2.13

Not included

Multimodal semantic search

2.11

Not included

Direct-query data sources

2.11

Not included

Machine learning connectors

2.9

Not included

Semantic search

2.9

Not included

Point in Time search

2.5

Not included

Notifications

2.3

Not included

ML Commons

1.3

Not included

Cross-cluster replication

1.1

7.10

Index transforms

1.0

Not included

Dedicated coordinator node

1.0

6.8

VPC support

1.0

1.0

Require HTTPS for all traffic to the domain

Multi-AZ support

Dedicated master nodes

Custom packages

Custom endpoints

Slow log publishing

Error log publishing

1.0

5.1

Encryption of data at rest

Cognito authentication for OpenSearch Dashboards

In-place upgrades

Hourly automated snapshots

1.0

5.3

Node-to-node encryption

1.0

6.0

Java high-level REST client support

HTTP request and response compression

Alerting

1.0

6.2

SQL

1.0

6.5

Cross-cluster search

1.0

6.7

Fine-grained access control

SAML authentication for OpenSearch Dashboards

Auto-Tune

Remote reindex

UltraWarm

1.0

6.8

Index State Management

k-NN by Euclidean distance

1.0

7.1

Anomaly Detection

1.0

7.4

k-NN by cosine similarity

1.0

7.7

Learning to Rank

Piped processing language

1.0

7.9

OpenSearch Dashboards reports

OpenSearch Dashboards Trace Analytics

ARM-based Graviton instances

Cold storage

Hamming distance, L1 Norm distance, and Painless scripting for k-NN

1.0

7.10

Asynchronous search

Curator support

Not included

5.1

For information about plugins, which enable some of these features and additional functionality, see Plugins by engine version in Amazon OpenSearch Service. For information about the OpenSearch API for each version, see Supported operations in Amazon OpenSearch Service.