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From "Ari Rabkin (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5060) Create a generic aggregator for Chukwa
Date Mon, 23 Feb 2009 20:00:09 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12676042#action_12676042
] 

Ari Rabkin commented on HADOOP-5060:
------------------------------------

Clarification:

Is the idea to aggregate off HDFS, or do it at the collector?

> Create a generic aggregator for Chukwa
> --------------------------------------
>
>                 Key: HADOOP-5060
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5060
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: contrib/chukwa
>            Reporter: Jerome Boulon
>            Assignee: Jerome Boulon
>
> Create a generic way to compute aggregation on top of chukwaRecords based on a config
file
> Should be able:
> - work on several Chukwa streams 
> - To aggregate by time period
> - Group by values for specific keys
> - Provide a redefine list of functions (AVG,MIN,MAX,Counter->Rate conversion...)
> - work with new functions

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