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https://issues.apache.org/jira/browse/SOLR-1316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12910777#action_12910777
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John Beck commented on SOLR-1316:
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Hey guys, really nice work on this, it is extremely fast! In production right
now we're seeing 200-700ms latency, and with this I typically get between 1ms
and 10ms.
I did find one issue though. I'm going to use this with a dictionary of 150k
medical terms, and it's works, except for when my query happens to be a popular
starting word.
If I use this as a dictionary,
{noformat}
Hepatitis B Viruses, Duck
Hepatitis B e Antigens
Hepatitis B virus
Hepatitis B, Chronic
Hepatitis Be Antigens
Hepatitis C
Hepatitis C Antibodies
Hepatitis C Antigen
{noformat}
And then search for Hepatitis C,
{noformat}
curl
"http://localhost:8982/solr/suggest/?spellcheck=true&spellcheck.dictionary=suggest&spellcheck.extendedResults=true&spellcheck.count=5&q=Hepatitis%20C";
<response>
<lst name="responseHeader"><int name="status">0</int><int
name="QTime">1</int></lst><str name="command">build</str><lst
name="spellcheck"><lst name="suggestions"><lst name="Hepatitis"><int
name="numFound">5</int><int name="startOffset">0</int><int
name="endOffset">9</int><arr name="suggestion"><str>hepatitis b e
antigens</str><str>hepatitis b virus</str><str>hepatitis b viruses,
duck</str><str>hepatitis b, chronic</str><str>hepatitis be
antigens</str></arr></lst></lst></lst>
</response>
{noformat}
You can see it never makes it to Hepatitis C since it's #6 in that dictionary,
and I'm limiting the results to 5.
When I bump spellcheck.count=6, then I get the very first Hepatitis C result
but not the rest.
So there are about 2500 terms that start with "Receptor" and I don't want to
have to bump it to 3000 results. Is there anything else that can be done?
> Create autosuggest component
> ----------------------------
>
> Key: SOLR-1316
> URL: https://issues.apache.org/jira/browse/SOLR-1316
> Project: Solr
> Issue Type: New Feature
> Components: search
> Affects Versions: 1.4
> Reporter: Jason Rutherglen
> Assignee: Andrzej Bialecki
> Priority: Minor
> Fix For: Next
>
> Attachments: SOLR-1316.patch, SOLR-1316.patch, SOLR-1316.patch,
> SOLR-1316.patch, SOLR-1316.patch, SOLR-1316.patch, SOLR-1316.patch,
> SOLR-1316.patch, SOLR-1316.patch, SOLR-1316.patch, SOLR-1316.patch,
> SOLR-1316_3x-2.patch, SOLR-1316_3x.patch, suggest.patch, suggest.patch,
> suggest.patch, TST.zip
>
> Original Estimate: 96h
> Remaining Estimate: 96h
>
> Autosuggest is a common search function that can be integrated
> into Solr as a SearchComponent. Our first implementation will
> use the TernaryTree found in Lucene contrib.
> * Enable creation of the dictionary from the index or via Solr's
> RPC mechanism
> * What types of parameters and settings are desirable?
> * Hopefully in the future we can include user click through
> rates to boost those terms/phrases higher
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