Amazon OpenSearch Service
Official docs outline
11 sections- What is OpenSearch Service
Managed OpenSearch domains for search, log analytics and observability.
- Creating and managing domains
Domain sizing, instance and storage choices, upgrades and updates.
- OpenSearch Serverless
Collections, OCUs and capacity that scales without managing clusters.
- OpenSearch Ingestion
Data Prepper pipelines for ingesting and transforming data.
- Indexing data
Indexing documents and bulk requests.
- Searching data
Queries, aggregations and relevance features.
- Vector search
k-NN indexes and semantic search.
- Fine-grained access control
Roles, mappings and document and field level security.
- Security
Encryption, VPC access and authentication options.
- Monitoring domains
CloudWatch metrics, logs and alarms.
- Best practices
Sharding, sizing and operational guidance.
Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.
Versions and support
6 release lines| Line | Released | Latest | Support |
|---|---|---|---|
| 3.7 | Jul 30, 2026 | — | Supported |
| 3.5 | Mar 18, 2026 | — | Supported |
| 3.3 | Nov 24, 2025 | — | Supported |
| 3.1 | Sep 9, 2025 | — | Supported |
| 2.19 | Apr 30, 2025 | — | Until Nov 7, 2027 |
| 2.17 | Nov 13, 2024 | — | Until Nov 7, 2027 |
Source: endoflife.date