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Posted to dev@nutch.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2018/01/16 22:00:00 UTC
[jira] [Commented] (NUTCH-2370) FileDumper: save JSON mapping file
-> URL
[ https://issues.apache.org/jira/browse/NUTCH-2370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16327882#comment-16327882 ]
ASF GitHub Bot commented on NUTCH-2370:
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chrismattmann commented on issue #180: fix for NUTCH-2370 contributed by msharan@usc.edu
URL: https://github.com/apache/nutch/pull/180#issuecomment-358121493
awesome!
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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
> Assignee: Sebastian Nagel
> 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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