Re: User History Location

2011-02-11 Thread Allen Wittenauer

On Feb 11, 2011, at 6:12 AM, Alexander Schätzle wrote:

> Hello,
> 
> I'm a little bit confused about the right key for specifying the User History 
> Location in CDH3B3 (which is Hadoop 0.20.2+737). Could anybody please give me 
> a short answer which key is the right one and which configuration file is the 
> right one to place the key?
> 
> 1) mapreduce.job.userhistorylocation ?
> 2) hadoop.job.history.user.location ?
> 
> Is the mapred-site.xml the right config-file for this key?

I don't know about Cloudera, but on the real Hadoop, you don't want to 
write these to HDFS.  If the write fails (which can happen under a variety of 
circumstances), all job logging gets turned off.

Re: User History Location

2011-02-11 Thread Harsh J
File is mapred-site.xml, and 'hadoop.job.history.user.location' is the
right one for locations on the (D)FS for jobs.

2011/2/11 Alexander Schätzle :
> Hello,
>
> I'm a little bit confused about the right key for specifying the User
> History Location in CDH3B3 (which is Hadoop 0.20.2+737). Could anybody
> please give me a short answer which key is the right one and which
> configuration file is the right one to place the key?
>
> 1) mapreduce.job.userhistorylocation ?
> 2) hadoop.job.history.user.location ?
>
> Is the mapred-site.xml the right config-file for this key?
>
> Thx a lot!
>
> Best regards,
>
> Alexander Schätzle
> University of Freiburg, Germany
>



-- 
Harsh J
www.harshj.com


Re: User History Location

2011-02-11 Thread Jean-Daniel Cryans
For cloudera-related questions, please use their mailing lists.

J-D

2011/2/11 Alexander Schätzle :
> Hello,
>
> I'm a little bit confused about the right key for specifying the User
> History Location in CDH3B3 (which is Hadoop 0.20.2+737). Could anybody
> please give me a short answer which key is the right one and which
> configuration file is the right one to place the key?
>
> 1) mapreduce.job.userhistorylocation ?
> 2) hadoop.job.history.user.location ?
>
> Is the mapred-site.xml the right config-file for this key?
>
> Thx a lot!
>
> Best regards,
>
> Alexander Schätzle
> University of Freiburg, Germany
>