Probably safe to use the deprecated apis considering
https://issues.apache.org/jira/browse/MAPREDUCE-1734

ckw

On Jan 1, 2011, at 3:18 PM, Sarthak Dudhara wrote:

> Hi, 
> 
> I am trying to run chained jobs using Hadoop 0.20.2. I see that the class 
> JobControl is provided for the same purpose in 0.20.2. However, I can only 
> add the deprecated class
> org.apache.hadoop.mapred.jobcontrol.Job. 
> 
> For using the JobControl class I need to use the older deprecated Job class 
> and the other deprecated classes from the mapred package e.g. JobConf, etc. 
> to be able to use JobControl. I am starting out developing infrastructure for 
> us to create jobs etc and dont want to use deprecated classes/packages 
> preferably. 
> 
> In Hadoop 0.21.0, I have seen there is another class ControlledJob and 
> JobControl in the mapreduce.lib.jobcontrol package that takes care of this. 
> However 0.21.0 is not production ready as mentioned on the Hadoop site. 
> 
> What is the suggested course of action in this case? I see that using 
> deprecated classes is the only option I see. Actualy, using deprecated 
> classes will cause quite a few cascading changes, so I am trying to not do 
> that if possible. 
> 
> Thanks 
> 
> Sarthak Dudhara
> 

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Chris K Wensel
ch...@concurrentinc.com
http://www.concurrentinc.com

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