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From "Andrzej Bialecki (JIRA)" <>
Subject [jira] Commented: (NUTCH-655) Injecting Crawl metadata
Date Wed, 06 Jan 2010 06:59:55 GMT


Andrzej Bialecki  commented on NUTCH-655:

I'm not sure about the latest addition (the score option). If we go this route, then I suggest
doing the last minor step and recognize reserved metadata keys to do also other useful things
like setting fetch interval. I.e. define and recognize "nutch.score" and "nutch.fetchInterval",
and document it properly somewhere ...(wiki? javadoc? cmd-line synopsis?).

> Injecting Crawl metadata
> ------------------------
>                 Key: NUTCH-655
>                 URL:
>             Project: Nutch
>          Issue Type: Improvement
>          Components: injector
>            Reporter: Julien Nioche
>            Assignee: Julien Nioche
>            Priority: Minor
>             Fix For: 1.1
>         Attachments: Injector.patch, NUTCH-655.v2
> the patch attached allows to inject metadata into the crawlDB. The input file has to
contain fields separated by tabs, with the URL being on the first column. The metadata names
and values are separated by '='. A input line might look like this:
>  \t  categ=value1 \t categ2=value2
> This functionality can be useful to store external knowledge and index it with a custom

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