[SOLR-12697] pure DocValues support for FieldValueFeature

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 9.0, 8.9
• Component/s: contrib - LTR
• Assignee: Christine Poerschke
• Reporter: Stanislav Livotov
• Created: 24/Aug/18 16:41
• Updated: 23/Jun/21 13:42
• Resolved: 28/May/21 17:46

Description

slivotov wrote in SOLR-12688:

... FieldValueFeature doesn't support pure DocValues fields (Stored false). Please also note that for fields which are both stored and DocValues it is working not optimal because it is extracting just one field from the stored document. DocValues are obviously faster for such usecases. ...

(Please see SOLR-12688 description for overall context and analysis results.)

Issue Links

• relates to: SOLR-15440 contrib/ltr FieldValueFeature: DocValues use for stored fields
• relates to: SOLR-13049 make contrib/ltr Feature.defaultValue configurable
• links to: GitHub Pull Request #123