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Posted to dev@nutch.apache.org by "Markus Jelsma (JIRA)" <ji...@apache.org> on 2017/06/26 10:47:00 UTC
[jira] [Commented] (NUTCH-2184) Enable IndexingJob to function with
no crawldb
[ https://issues.apache.org/jira/browse/NUTCH-2184?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16062909#comment-16062909 ]
Markus Jelsma commented on NUTCH-2184:
--------------------------------------
Any progress on this one?
> Enable IndexingJob to function with no crawldb
> ----------------------------------------------
>
> Key: NUTCH-2184
> URL: https://issues.apache.org/jira/browse/NUTCH-2184
> Project: Nutch
> Issue Type: Improvement
> Components: indexer
> Reporter: Lewis John McGibbney
> Assignee: Lewis John McGibbney
> Fix For: 1.14
>
> Attachments: NUTCH-2184.patch, NUTCH-2184v2.patch
>
>
> Sometimes when working with distributed team(s), we have found that we can 'loose' data structures which are currently considered as critical e.g. crawldb, linkdb and/or segments.
> In my current scenario I have a requirement to index segment data with no accompanying crawldb or linkdb.
> Absence of the latter is OK as linkdb is optional however currently in [IndexerMapReduce|https://github.com/apache/nutch/blob/trunk/src/java/org/apache/nutch/indexer/IndexerMapReduce.java] crawldb is mandatory.
> This ticket should enhance the IndexerMapReduce code to support the use case where you ONLY have segments and want to force an index for every record present.
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