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https://issues.apache.org/jira/browse/LUCENE-4503?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13483486#comment-13483486
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Ying Andrews commented on LUCENE-4503:
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Thanks for pointing it out, Robert.
In the application I worked on, we had to support a mix of local and remote
searchers. Due to the large scale and heterogeneous nature of our systems we
had to be able to search anything that implements "Searchable". We also had to
take advantage of ParallelMultiSearcher to boost the performance. In a special
case we had a ParallelMultiSearcher consisted of a group of local file indexes,
a group of remote searchers whose data may come further from other remote
searchers (kind like a tree) and one searcher that gets data from a SolrServer
over the network. Therefore we had to adopt MultiSearcher instead of
MultiReader strategy. We recently added MoreLikeThis feature into our
heterogenous system. As you can see MultiReader is not an option in our
environment. The links below roughly explains my situation. Thank you.
http://lucene.472066.n3.nabble.com/MultiSearcher-vs-MultiReader-td546968.html
http://mail-archives.apache.org/mod_mbox/lucene-java-user/200712.mbox/%3cof924d8f48.261c9541-onc22573a5.0077e70d-c22573a5.007a9...@il.ibm.com%3E
> MoreLikeThis supports multiple index readers.
> ---------------------------------------------
>
> Key: LUCENE-4503
> URL: https://issues.apache.org/jira/browse/LUCENE-4503
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Ying Andrews
> Priority: Minor
> Labels: patch
> Attachments: MoreLikeThis.java.patch
>
> Original Estimate: 72h
> Remaining Estimate: 72h
>
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