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From "Jerome Boulon (JIRA)" <>
Subject [jira] Commented: (CHUKWA-292) should allow demux reducers in any namespace
Date Mon, 15 Jun 2009 17:18:07 GMT


Jerome Boulon commented on CHUKWA-292:

I used to want aliases on reducer side. However I wonder if we really have to make any aggregation
on the reducer side. 
By doing so we cannot remove duplicate after demux.  So I may want to force demux to be parsing
only per stream and have a viewManager to combine recordTypes. If that the case I could easily
build a remove duplicates function on the reducer side.

> should allow demux reducers in any namespace
> --------------------------------------------
>                 Key: CHUKWA-292
>                 URL:
>             Project: Hadoop Chukwa
>          Issue Type: Improvement
>          Components: Data Processors
>            Reporter: Ari Rabkin
>   Original Estimate: 1.5h
>  Remaining Estimate: 1.5h
> Right now, the Demux Reduce only looks in org.apache.hadoop.chukwa.extraction.demux.processor.reducer
to find reduce processors.  This restriction should be dropped.
> Proposal:  Do what we do on the map side, and try a lookup against chukwa-demux-conf
to see if we get a match. 

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