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https://issues.apache.org/jira/browse/SOLR-12901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17487528#comment-17487528
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ASF subversion and git services commented on SOLR-12901:
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Commit 04e211735f5fc998ee03c8476588df7462cb2063 in solr's branch
refs/heads/branch_9_0 from David Smiley
[ https://gitbox.apache.org/repos/asf?p=solr.git;h=04e2117 ]
SOLR-12901: make hl.method=unified the default (#579)
* handle highlighting no fields; an edge-case
* fixed minor assertion failure about a RTimer state that could be wrong if the
request is re-used
* did not switch ClusteringComponent; it will take more care, can happen later
* custom SolrHighlighter impls have to be chosen with hl.method=original
* Remove PostingsSolrHighlighter (deprecated), missed from SOLR-13138
> Make UnifiedHighlighter the default
> -----------------------------------
>
> Key: SOLR-12901
> URL: https://issues.apache.org/jira/browse/SOLR-12901
> Project: Solr
> Issue Type: Improvement
> Components: highlighter
> Reporter: David Smiley
> Assignee: David Smiley
> Priority: Blocker
> Fix For: 9.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> I think the UnifiedHighlighter should be the default in 8.0. It's faster and
> more accurate than alternatives.
> The original highlighter however has some benefits:
> * Different passage/snippet delineation options; somewhat more flexible.
> Though no i18n BreakIterator based one.
> * Seems to handle some "special" Queries and/or QueryParsers by default
> better -- namely SurroundQParser. Though SOLR-12895 will address this UH
> issue.
> * Considers boosts in the query when computing a passage score
> * hl.alternateField, hl.maxAlternateFieldLength, hl.highlightAlternate
> options. Instead the UH has hl.defaultSummary boolean
> See
> https://builds.apache.org/job/Solr-reference-guide-master/javadoc/highlighting.html
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