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Posted to dev@nutch.apache.org by "Chris A. Mattmann (JIRA)" <ji...@apache.org> on 2016/03/08 05:09:41 UTC
[jira] [Assigned] (NUTCH-2132) Publisher/Subscriber model for Nutch
to emit events
[ https://issues.apache.org/jira/browse/NUTCH-2132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chris A. Mattmann reassigned NUTCH-2132:
----------------------------------------
Assignee: Chris A. Mattmann
> Publisher/Subscriber model for Nutch to emit events
> ----------------------------------------------------
>
> Key: NUTCH-2132
> URL: https://issues.apache.org/jira/browse/NUTCH-2132
> Project: Nutch
> Issue Type: New Feature
> Components: fetcher, REST_api
> Reporter: Sujen Shah
> Assignee: Chris A. Mattmann
> Labels: memex
> Fix For: 1.12
>
> Attachments: NUTCH-2132.patch, NUTCH-2132.v2.patch, PubSub_routingkey.patch
>
>
> It would be nice to have a Pub/Sub model in Nutch to emit certain events (ex- Fetcher events like fetch-start, fetch-end, a fetch report which may contain data like outlinks of the current fetched url, score, etc).
> A consumer of this functionality could use this data to generate real time visualization and generate statics of the crawl without having to wait for the fetch round to finish.
> The REST API could contain an endpoint which would respond with a url to which a client could subscribe to get the fetcher events.
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