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Analytics Cloud Commerce DXP / Portal DXP Cloud Reference

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• Solr Limitations

Solr Limitations

Important

Liferay’s Solr support is deprecated. Please plan to migrate to Elasticsearch.

Search Results Quality

Elasticsearch-specific APIs and mappings are being leveraged in Liferay’s search functionality. Because some of these features are not included in Solr, a lower quality of search results is expected when using Solr as Liferay’s search engine.

For example, the language aware sorting behavior in Liferay relies on the collation rules present only because of the ICU Analysis Plugin from Elasticsearch. When searching in Solr some non-optimal sorting behavior is expected, especially when field values contain diacritical marks.

End-User Feature Limitations

Liferay’s Solr integration has limitations. Elasticsearch is required to use the following features:

• Liferay Commerce

• Workflow Metrics

• Custom Filter search widget

• The Low Level Search Options widget

• Search Tuning: Customizing Search Results

• Search Tuning: Synonyms

• Content Dashboard

• Similar Results

• All Liferay Enterprise Search applications, including

  • Cross-Cluster Replication

  • Search Experiences

  • Learning to Rank

  • Monitoring

Developer Feature Limitations

The following APIs are not currently supported by Liferay’s Solr connector.

• From Portal Core (Module: portal-kernel, Artifact: com.liferay.portal.kernel):

  • com.liferay.portal.kernel.search.generic.NestedQuery

  • com.liferay.portal.kernel.search.filter:

    • ComplexQueryPart

    • GeoBoundingBoxFilter

    • GeoDistanceFilter

    • GeoDistanceRangeFilter

    • GeoPolygonFilter

• From the Portal Search API (Module: portal-search-api, Artifact: com.liferay.portal.search.api):

  • com.liferay.portal.search.filter:

    • ComplexQueryPart

    • TermsSetFilter

  • com.liferay.portal.search.geolocation.*

  • com.liferay.portal.search.highlight.*

  • com.liferay.portal.search.query.function.*

  • com.liferay.portal.search.query.*:

  • com.liferay.portal.search.script.*

  • com.liferay.portal.search.significance.*

  • com.liferay.portal.search.sort.*: only Sort,FieldSort, and ScoreSort are supported

• Portal Search Engine Adapter API (Module: portal-search-engine-adapter-api, Artifact: com.liferay.portal.search.engine.adapter.api)

  • com.liferay.portal.search.engine.adapter.cluster.*

  • com.liferay.portal.search.engine.adapter.document.UpdateByQueryDocumentRequest

  • com.liferay.portal.search.engine.adapter.index.*: only RefreshIndexRequest is supported

  • com.liferay.portal.search.engine.adapter.search.*:

    • MultisearchSearchRequest

    • SuggestSearchRequest

  • com.liferay.portal.search.engine.adapter.snapshot.*

Note

Liferay Commerce requires the TermsSetFilter implementation which is only available in the Elasticsearch connector.

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