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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5018) Chukwa should support pipelined writers
Date Tue, 13 Jan 2009 23:44:59 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5018?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12663544#action_12663544

Eric Yang commented on HADOOP-5018:

Wouldn't it be better to decouple the pipeline logic from ServletCollector?  It may be better
to have a interface between ServletCollector and Pipeline logic.  Hence, the pipline logic
can be implemented as synchronized stages or paralleled stages for different use cases.  i.e
duplication data filtering, or real time monitoring alerts.

> Chukwa should support pipelined writers
> ---------------------------------------
>                 Key: HADOOP-5018
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5018
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: contrib/chukwa
>            Reporter: Ari Rabkin
>            Assignee: Ari Rabkin
>         Attachments: pipeline.patch
> We ought to support chaining together writers; this will radically increase flexibility
and make it practical to add new features without major surgery by putting them in pass-through
or filter classes.

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