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https://issues.apache.org/jira/browse/SOLR-1045?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12678763#action_12678763
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Ning Li commented on SOLR-1045:
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Shalin and Yonik, thanks for the comments on the two features. But what is a
Solr index? I thought it is everything in the data directory, not just the
Lucene index in the data/index directory, no? If that's the case:
- On writing a Solr index in a ram directory, I'm aware of the directory
factory, but it's only for the directory of Lucene index.
- On merging multiple Solr indexes, besides merging the Lucene indexes, it
also means somehow "merging" other data in the data directory (e.g. "merging"
by rebuilding the spell check index).
Am I correct?
> Build Solr index using Hadoop MapReduce
> ---------------------------------------
>
> Key: SOLR-1045
> URL: https://issues.apache.org/jira/browse/SOLR-1045
> Project: Solr
> Issue Type: New Feature
> Reporter: Ning Li
> Attachments: SOLR-1045.0.patch
>
>
> The goal is a contrib module that builds Solr index using Hadoop MapReduce.
> It is different from the Solr support in Nutch. The Solr support in Nutch
> sends a document to a Solr server in a reduce task. Here, the goal is to
> build/update Solr index within map/reduce tasks. Also, it achieves better
> parallelism when the number of map tasks is greater than the number of reduce
> tasks, which is usually the case.
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