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From jfeist <>
Subject SolrIndexSearch slow doc retrieval problems
Date Wed, 26 Mar 2014 16:16:22 GMT
I'm writing a search extension that is needing to write results to an
external cache.  So Solr will only return a handful of results to the user,
but it puts all the rest into this cache where the user can do other
operations on the results if they need to.  The only thing that needs to go
into this cache is the ID of the document.  

The problem I'm running into is that when I use the SolrIndexSearcher
getDocList method, the DocList returned only contains the Lucene IDs, which
I do not need.  I can use the doc or readDocs method in SolrIndexSearcher to
get the IDs, but this process is very slow.  It can take several seconds for
around like 10K results.  

Does anyone have any workaround or experience with something like this?  If
the Lucene Document contains a field for the Solr document ID, can I cache
it somewhere for quick retrieval or somehow return it along with the lucene

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