[
https://issues.apache.org/jira/browse/SOLR-3240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13562352#comment-13562352
]
Nalini Kartha commented on SOLR-3240:
-------------------------------------
Any timeline on when this would go in? It'd be useful for an extra option we're
trying to add to the DirectSpellChecker - we want to issue queries for each
suggestion to check that they would return some hits taking into account the fq
params of the main query. Since we only care about the suggestion returning at
least 1 hit, looks like this Collector would improve performance a lot.
> add spellcheck 'approximate collation count' mode
> -------------------------------------------------
>
> Key: SOLR-3240
> URL: https://issues.apache.org/jira/browse/SOLR-3240
> Project: Solr
> Issue Type: Improvement
> Components: spellchecker
> Reporter: Robert Muir
> Attachments: SOLR-3240.patch, SOLR-3240.patch
>
>
> SpellCheck's Collation in Solr is a way to ensure spellcheck/suggestions
> will actually net results (taking into account context like filtering).
> In order to do this (from my understanding), it generates candidate queries,
> executes them, and saves the total hit count: collation.setHits(hits).
> For a large index it seems this might be doing too much work: in particular
> I'm interested in ensuring this feature can work fast enough/well for
> autosuggesters.
> So I think we should offer an 'approximate' mode that uses an
> early-terminating
> Collector, collect()ing only N docs (e.g. n=1), and we approximate this result
> count based on docid space.
> I'm not sure what needs to happen on the solr side (possibly support for
> custom collectors?),
> but I think this could help and should possibly be the default.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
