[jira] Commented: (SOLR-1045) Build Solr index using Hadoop MapReduce

["Alex Baranov (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-1045?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12746545#action_12746545 ] 

Alex Baranov commented on SOLR-1045:
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{quote}write a Solr index in a ram directory{quote}

Please, take a look at [https://issues.apache.org/jira/browse/SOLR-1379] - RAMDirectoryFactory

> 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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