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Posted to common-user@hadoop.apache.org by HRoger <ha...@163.com> on 2009/06/25 06:32:10 UTC

where is the "addDependingJob"?

Hi
As you know in the "org.apache.hadoop.mapred.jobcontrol.Job" there is a
method called "addDependingJob" but not in
"org.apache.hadoop.mapreduce.Job".Is there some method works like
addDependingJob in "mapreduce" package?

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Re: where is the "addDependingJob"?

Posted by Amareshwari Sriramadasu <am...@yahoo-inc.com>.

You can use 0.21-dev.
If not, you can try using old api jobcontrol to create dependingJobs by 
getting the conf from
org.apache.hadoop.mapreduce.Job.getConfiguration().

Thanks
Amareshwari
HRoger wrote:
> Thanks for your answer,I am using the 0.20 and programing with the new api,so
> how can I make one job ran after the other job in one class with the new
> api?
>
> Amareshwari Sriramadasu wrote:
>   
>> HRoger wrote:
>>     
>>> Hi
>>> As you know in the "org.apache.hadoop.mapred.jobcontrol.Job" there is a
>>> method called "addDependingJob" but not in
>>> "org.apache.hadoop.mapreduce.Job".Is there some method works like
>>> addDependingJob in "mapreduce" package?
>>>
>>>   
>>>       
>> "org.apache.hadoop.mapred.jobcontrol.Job" is moved to 
>> "org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob" in 0.21. In 
>> 0.20, The corresponding class for 
>> org.apache.hadoop.mapred.jobcontrol.Job with new api is not present. So, 
>> in 0.20, you should use "org.apache.hadoop.mapred.jobcontrol.Job".
>>
>> Thanks
>> Amareshwari
>>
>>
>>
>>
>>     
>
>

Re: where is the "addDependingJob"?

Posted by HRoger <ha...@163.com>.

Thanks for your answer,I am using the 0.20 and programing with the new api,so
how can I make one job ran after the other job in one class with the new
api?

Amareshwari Sriramadasu wrote:
> 
> HRoger wrote:
>> Hi
>> As you know in the "org.apache.hadoop.mapred.jobcontrol.Job" there is a
>> method called "addDependingJob" but not in
>> "org.apache.hadoop.mapreduce.Job".Is there some method works like
>> addDependingJob in "mapreduce" package?
>>
>>   
> "org.apache.hadoop.mapred.jobcontrol.Job" is moved to 
> "org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob" in 0.21. In 
> 0.20, The corresponding class for 
> org.apache.hadoop.mapred.jobcontrol.Job with new api is not present. So, 
> in 0.20, you should use "org.apache.hadoop.mapred.jobcontrol.Job".
> 
> Thanks
> Amareshwari
> 
> 
> 
> 

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Re: where is the "addDependingJob"?

Posted by Amareshwari Sriramadasu <am...@yahoo-inc.com>.

HRoger wrote:
> Hi
> As you know in the "org.apache.hadoop.mapred.jobcontrol.Job" there is a
> method called "addDependingJob" but not in
> "org.apache.hadoop.mapreduce.Job".Is there some method works like
> addDependingJob in "mapreduce" package?
>
>   
"org.apache.hadoop.mapred.jobcontrol.Job" is moved to 
"org.apache.hadoop.mapreduce.lib.jobcontrol.ControlledJob" in 0.21. In 
0.20, The corresponding class for 
org.apache.hadoop.mapred.jobcontrol.Job with new api is not present. So, 
in 0.20, you should use "org.apache.hadoop.mapred.jobcontrol.Job".

Thanks
Amareshwari