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From Dogacan Güney (JIRA) <j...@apache.org>
Subject [jira] Commented: (NUTCH-443) allow parsers to return multiple Parse object, this will speed up the rss parser
Date Fri, 09 Feb 2007 08:37:05 GMT

    [ https://issues.apache.org/jira/browse/NUTCH-443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12471620
] 

Dogacan Güney commented on NUTCH-443:
-------------------------------------

This is pretty much the merge of our work(except parse-rss, it kept failing on something like
RSSContentUtils, so it returns a single parse for now). 

I also had a bug in MapWritable, this fixes it.

Since the code now compiles :), I ran junit tests over it. TestFetcher fails for some reason,
will look into it.

Also, there is a bug in updatedb. If getParse returns keys different than content.getUrl and
if these keys do not have entries in crawl_fetch, CrawlDbReducer will ignore those (assuming
[correctly] that they are not fetched and there is no point in processing them). I will look
into this too.

> allow parsers to return multiple Parse object, this will speed up the rss parser
> --------------------------------------------------------------------------------
>
>                 Key: NUTCH-443
>                 URL: https://issues.apache.org/jira/browse/NUTCH-443
>             Project: Nutch
>          Issue Type: New Feature
>          Components: fetcher
>    Affects Versions: 0.9.0
>            Reporter: Renaud Richardet
>            Priority: Minor
>             Fix For: 0.9.0
>
>         Attachments: NUTCH-443-draft-v1.patch, parse-map-core-draft-v1.patch, parse-map-core-untested.patch,
parsers.diff
>
>
> allow Parser#parse to return a Map<String,Parse>. This way, the RSS parser can
return multiple parse objects, that will all be indexed separately. Advantage: no need to
fetch all feed-items separately.
> see the discussion at http://www.nabble.com/RSS-fecter-and-index-individul-how-can-i-realize-this-function-tf3146271.html

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