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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NUTCH-2370) FileDumper: save JSON mapping file -> URL
Date Sun, 17 Dec 2017 14:47:00 GMT

    [ https://issues.apache.org/jira/browse/NUTCH-2370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16294183#comment-16294183
] 

ASF GitHub Bot commented on NUTCH-2370:
---------------------------------------

sebastian-nagel commented on issue #180: fix for NUTCH-2370 contributed by msharan@usc.edu
URL: https://github.com/apache/nutch/pull/180#issuecomment-352260567
 
 
   +1 LGTM! Thanks, @smadha!

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> FileDumper: save JSON mapping file -> URL
> -----------------------------------------
>
>                 Key: NUTCH-2370
>                 URL: https://issues.apache.org/jira/browse/NUTCH-2370
>             Project: Nutch
>          Issue Type: Improvement
>          Components: dumpers
>    Affects Versions: 1.14
>            Reporter: Madhav Sharan
>            Priority: Minor
>             Fix For: 1.14
>
>
> - nutch dump [0] is a great tool to simply dump all the crawled files from nutch segments.
> - After dump we loose information about URL from which this file was crawled. URL is
used to name dumped file but that information is encrypted.
> - In `reverseUrlDirs` option one can figure out URL by checking the file path but even
accessing file path is little complicated than simple mapping file.
> - In `flatdir` there is no way to know actual URL.
> I am submitting a PR which edits [0] and saves a json for each crawled segment which
maps a file path to URL.
> [0] https://github.com/apache/nutch/blob/3e2d3d456489bf52bc586dae0e2e71fb7aad8fe7/src/java/org/apache/nutch/tools/FileDumper.java



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