[jira] [Updated] (SOLR-11852) retrieval of contrib/ltr model definitions via a streaming expression

["Christine Poerschke (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-11852?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Christine Poerschke updated SOLR-11852:
---------------------------------------
    Attachment: SOLR-11852.patch

Attaching a rough proof-of-concept where a new StreamingExpressionWrapperModel class extends the abstract WrapperModel class added by SOLR-11250 --  the {{WrapperModel.fetchModelMap()}} implementation uses a streaming expression.

A shell script {{ltr-model-from-streaming-expression-poc.sh}} demonstrates how a streaming expression can be used to retrieve a model stored as a document field in a different collection.


> retrieval of contrib/ltr model definitions via a streaming expression
> ---------------------------------------------------------------------
>
>                 Key: SOLR-11852
>                 URL: https://issues.apache.org/jira/browse/SOLR-11852
>             Project: Solr
>          Issue Type: New Feature
>          Components: contrib - LTR, streaming expressions
>            Reporter: Christine Poerschke
>         Attachments: SOLR-11852.patch
>
>
> This ticket is to explore retrieval of Learning-To-Rank model definitions via a streaming expression, as an alternative to full model definitions stored in ZooKeeper.



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