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https://issues.apache.org/jira/browse/SOLR-14454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17098622#comment-17098622
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David Smiley commented on SOLR-14454:
-------------------------------------
The first two seem promising but I don't think the 3rd (compression) should be
present here. I think it's up to the codec to implement compression. In fact
Lucene 8.5 just got this -- See LUCENE-9211.
> support for UTF-8 (string) types with DocValuesType.BINARY
> ----------------------------------------------------------
>
> Key: SOLR-14454
> URL: https://issues.apache.org/jira/browse/SOLR-14454
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Components: Schema and Analysis
> Affects Versions: master (9.0)
> Reporter: Michael Gibney
> Priority: Minor
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The goal is to add support for string fields with arbitrarily large values in
> the {{/export}} handler and streaming expressions.
> {{StrField}} values are currently limited to 32766 bytes for the case where
> {{indexed=true}} or {{docValues=true}}. Exceeding this value triggers an
> "immense field" warning, and causes indexing to fail for the associated input
> doc.
> Configuring a {{StrField}} field as "{{indexed=false docValues=false}}"
> removes this size limitation, so it is already possible to have large
> _stored_ {{StrField}} values. But the "{{docValues=true}}" prerequisite for
> the {{/export}} handler (and consequently for streaming expressions) limits
> the size of field that can be used in conjunction with these features.
> Adding support for UTF-8/string field types with {{DocValuesType.BINARY}}
> would address this limitation and allow considerable flexibility in the
> implementation of custom field types. N.b.: this would address field value
> retrieval use cases only (e.g., {{/export}} and {{useDocValuesAsStored}});
> neither sorting nor faceting would be supported.
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