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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (NUTCH-2132) Publisher/Subscriber model for Nutch to emit events
Date Sat, 15 Apr 2017 11:32:42 GMT

    [ https://issues.apache.org/jira/browse/NUTCH-2132?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15969919#comment-15969919
] 

Hudson commented on NUTCH-2132:
-------------------------------

FAILURE: Integrated in Jenkins build Nutch-trunk #3425 (See [https://builds.apache.org/job/Nutch-trunk/3425/])
Fixes for NUTCH-2132: Added the library amqp (gitRoann3l;fhdez: [https://github.com/apache/nutch/commit/9d65ac6d6b33d83e1fc9ab387f29a3287b0b26b3])
* (edit) src/plugin/publish-rabbitmq/plugin.xml
Fixes for NUTCH-2132: Added new properties (gitRoann3l;fhdez: [https://github.com/apache/nutch/commit/bc9a2c859c2b2036aa58d899c529cbf6282a41df])
* (edit) conf/nutch-default.xml
* (edit) src/plugin/publish-rabbitmq/src/java/org/apache/nutch/publisher/rabbitmq/RabbitMQPublisherImpl.java
Fixes for NUTCH-2132: Deleted empty comments (gitRoann3l;fhdez: [https://github.com/apache/nutch/commit/5eb77a9de6d20f31a5fd6759022b25552744cc16])
* (edit) src/plugin/publish-rabbitmq/src/java/org/apache/nutch/publisher/rabbitmq/RabbitMQPublisherImpl.java
Fixes for NUTCH-2132: Fixed the default port (gitRoann3l;fhdez: [https://github.com/apache/nutch/commit/ee651752295468af75a14f6c98686c0d7c26136a])
* (edit) conf/nutch-default.xml
* (edit) src/plugin/publish-rabbitmq/src/java/org/apache/nutch/publisher/rabbitmq/RabbitMQPublisherImpl.java


> 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: 1.13
>
>         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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