Frankly, the suggester is rather broken in Solr 4.x with large
indexes. Building the suggester index (or FST) requires that _all_ the
docs get read, the stored fields analyzed and added to the suggester.
Unfortunately, this happens _every_ time you start Solr and can take
many minutes whether or not you have buildOnStartup set to false, see:
https://issues.apache.org/jira/browse/SOLR-6845.

See: http://lucidworks.com/blog/solr-suggester/

See inline.

On Thu, May 21, 2015 at 6:12 AM, jon kerling
<jonkerl...@yahoo.com.invalid> wrote:
> Hi,
>
> I'm using solr 4.10 and I'm trying to add autosuggest ability to my 
> application.
> I'm currently using this kind of configuration:
>
>  <searchComponent name="suggest" class="solr.SuggestComponent">
>     <lst name="suggester">
>       <str name="name">mySuggester</str>
>       <str name="lookupImpl">FuzzyLookupFactory</str>
>       <str name="storeDir">suggester_fuzzy_dir</str>
>       <str name="dictionaryImpl">DocumentDictionaryFactory</str>
>       <str name="field">field2</str>
>       <str name="weightField">weightField</str>
>       <str name="suggestAnalyzerFieldType">text_general</str>
>     </lst>
> </searchComponent>
>
>   <requestHandler name="/suggest" class="solr.SearchHandler" startup="lazy">
>     <lst name="defaults">
>       <str name="suggest">true</str>
>       <str name="suggest.count">10</str>
>       <str name="suggest.dictionary">mySuggester</str>
>     </lst>
>     <arr name="components">
>       <str>suggest</str>
>     </arr>
>   </requestHandler>
>
> I wanted to know how the suggester Index/file is being rebuilt.
> Is it suppose to have all the terms of the desired field in the suggester?
Yes.
> if not, is it related to this kind of lookup implementation?
> if I'll use other lookup implementation which suggest also infix terms of 
> fields,
> doesn't it has to hold all terms of the field?
Yes.
>
> When i call suggest.build, does it build from scratch the suggester 
> Index/file,
> or is it just doing something like sort of "delta" indexing suggestions?
Builds from scratch
>
> Thank You,
> Jon

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