hadoop-common-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jay Vyas <jayunit...@gmail.com>
Subject Re: copyToLocal Failed inside the cleanup(.........) of Map task
Date Mon, 03 Jun 2013 22:05:12 GMT
Just for context and so that we can understand the question --- why are you needing to copy
intermediate mapper output?

On Jun 3, 2013, at 4:11 PM, samir das mohapatra <samir.helpdoc@gmail.com> wrote:

> Dear All,
> 
>      Is there any way to copy the intermediate output file of the mapper into     local
 folder  after each map task complete.
> 
>    Right now I am using 
>     
>    FileSystem.copyToLocalFile(hdfsLocation,localLocation); 
>  indiste the cleanup of mapper task , but it is failing . 
> 
> Exception file not found. 
> 
> But if I am giving same statement after the job complete in driver class ,it is working
fine. that i dont want.
> 
> protected void cleanup(Context context){
>    FileSystem.copyToLocalFile(hdfsLocation,localLocation);//failed
> }
> 
> Note: I need to copy the inter mediate output of the mapper to local file system just
after  each map task complete. I dont want any reducer.
> 
>    If this is not the right solution then how to solve this type of scenario.
>   
> Any help.............
> 
> regards,
> samir.
> -- 
>  
>  
>  

Mime
View raw message