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Supported Engines

Engine Versions Status
Elasticsearch 7.x, 8.x, 9.x ✅ Verified
OpenSearch 1.x, 2.x, 3.x ✅ Verified
Solr 8.x, 9.x Coming soon

Tested against: ES 7.17, ES 8.17, ES 9.0, OpenSearch 2.19, OpenSearch 3.0.

How it works

ScaledSearch talks to clusters through a single SearchEngine interface, with one adapter per engine. Elasticsearch and OpenSearch both use the official @elastic/elasticsearch client, which is wire-compatible across ES 7–9 and OpenSearch.

Set the engine in your config:

engine: elasticsearch   # or: opensearch

Version constraints

A migration may declare a target_version constraint that is checked at apply time:

target_version: ">=8.0"

If the connected cluster doesn't satisfy the constraint, the migration won't be applied — useful for version-gated features like dense_vector.

System-object filtering on import

When importing an existing cluster, ScaledSearch excludes engine-owned objects so your baseline contains only your schema, not the cluster's plumbing:

  • Leading-dot system indices/templates (universal to ES and OpenSearch)
  • Elasticsearch built-ins: APM, Fleet, ML, monitoring, ILM/SLM history, watcher, connectors, behavioral analytics, and @template/@pipeline convention names
  • OpenSearch plugin state: .opensearch-*, .opendistro-*, .plugins-*, top_queries-*, .tasks

See the importing guide.