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1a40961d62 fix: linkchecker include filter port mismatch (#2242)
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Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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2026-03-30 17:21:32 +02:00

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From Apache Solr 100

Migrate from Apache Solr to Qdrant

What You Need from Solr

  • Solr URL — the base URL of your Solr instance (e.g., http://localhost:8983)
  • Collection name — the Solr collection to migrate
  • Authentication — username and password, if configured

Concept Mapping

Solr Qdrant Notes
Collection Collection One-to-one mapping
Document Point Each document becomes a point
Dense vector field Vector Named vectors are preserved
Non-vector fields Payload Direct mapping
Document ID (id field) Payload field Stored via --qdrant.id-field

Run the Migration

docker run --net=host --rm -it registry.cloud.qdrant.io/library/qdrant-migration solr \
    --solr.url 'http://localhost:8983' \
    --solr.collection 'your-collection' \
    --qdrant.url 'https://your-instance.cloud.qdrant.io:6334' \
    --qdrant.api-key 'your-qdrant-api-key' \
    --qdrant.collection 'your-collection'

With Authentication

docker run --net=host --rm -it registry.cloud.qdrant.io/library/qdrant-migration solr \
    --solr.url 'https://your-solr-host:8983' \
    --solr.collection 'your-collection' \
    --solr.username 'your-username' \
    --solr.password 'your-password' \
    --qdrant.url 'https://your-instance.cloud.qdrant.io:6334' \
    --qdrant.api-key 'your-qdrant-api-key' \
    --qdrant.collection 'your-collection' \
    --migration.create-collection false

All Solr-Specific Flags

Flag Required Description
--solr.url Yes Solr base URL (e.g., http://localhost:8983)
--solr.collection Yes Solr collection name
--solr.username No Username for basic authentication
--solr.password No Password for basic authentication
--solr.insecure-skip-verify No Skip TLS certificate verification (default: false)

Qdrant-Side Options

Flag Default Description
--qdrant.id-field __id__ Payload field name for original Solr document IDs

Gotchas

  • Named vectors: If your Solr schema has multiple dense vector fields, all are migrated as named vectors. Ensure your pre-created collection has matching named vector configurations.
  • ID mapping: Solr document IDs (strings) are converted to Qdrant UUIDs. The original Solr ID is stored in payload under --qdrant.id-field.

Next Steps

After migration, verify your data arrived correctly with the Migration Verification Guide.