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Posted to dev@lucene.apache.org by "James Dyer (JIRA)" <ji...@apache.org> on 2013/02/14 17:04:13 UTC
[jira] [Commented] (SOLR-4280) spellcheck.maxResultsForSuggest
based on filter query results
[ https://issues.apache.org/jira/browse/SOLR-4280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13578447#comment-13578447 ]
James Dyer commented on SOLR-4280:
----------------------------------
Markus,
On SOLR-4278, you said,
{quote}
It would be helpful if we can take the number of hits for a single filter from the filterCache itself.
{quote}
I think the key here is "single filter". I think it would be possible for a user to misuse this feature and have it constantly adding entries to the filterCache to check if different scenarios have a high enough percentage to get a suggestion. Can we lock it down so users won't have to deal with unexpected bad performance in this case?
> spellcheck.maxResultsForSuggest based on filter query results
> -------------------------------------------------------------
>
> Key: SOLR-4280
> URL: https://issues.apache.org/jira/browse/SOLR-4280
> Project: Solr
> Issue Type: Improvement
> Components: spellchecker
> Reporter: Markus Jelsma
> Fix For: 4.2, 5.0
>
> Attachments: SOLR-4280-trunk-1.patch
>
>
> spellcheck.maxResultsForSuggest takes a fixed number but ideally should be able to take a ratio and calculate that against the maximum number of results the filter queries return.
> At least in our case this would certainly add a lot of value. >99% of our end-users search within one or more filters of which one is always unique. The number of documents for each of those unique filters varies significantly ranging from 300 to 3.000.000 documents in which they search. The maxResultsForSuggest is set to a reasonable low value so it kind of works fine but sometimes leads to undesired suggestions for a large subcorpus that has more misspellings.
> Spun off from SOLR-4278.
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