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From "Bill Graham (JIRA)" <>
Subject [jira] Commented: (CHUKWA-473) Make default processor configurable
Date Tue, 06 Apr 2010 22:01:33 GMT


Bill Graham commented on CHUKWA-473:

This seems like a different use case to me. The existing Demux MapClass and ReduceClass work
fine for me, but I just want to use a different processor in the mapper. I don't need to swap
out the entire mapper/reducer class. In particular I want to swap out the following section

String processorClass = jobConf.get(chunk.getDataType(),

with something like this:
String defaultProcessor = jobConf.get("",

String processorClass = jobConf.get(chunk.getDataType(), defaultProcessor);

> Make default processor configurable
> -----------------------------------
>                 Key: CHUKWA-473
>                 URL:
>             Project: Hadoop Chukwa
>          Issue Type: New Feature
>            Reporter: Bill Graham
>            Assignee: Bill Graham
> The default processor is hard coded to {{DefaultProcessor}} in the {{Demux}} class. This
should be configurable.

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