-Re: Mechanism of hadoop -jar
in.abdul 2012-08-12, 00:54
Hi jay vas,
If you are trying for accessing bungle of text file . Instead of going
for class.getResource() why dont you go for distributed.cache in hadoop .
As i had previously noticed about that in the mailing list
I hope it will help you better . If there is any problem let us know
Syed abdul kather
On Aug 12, 2012 4:17 AM, "Bertrand Dechoux [via Lucene]" <
ml-node+[EMAIL PROTECTED]> wrote:
> 1) Source code for sure. I don't know if you could find any other
> document about it.
> 2) Where is your file? If it is inside your jar, hadoop should not infer
> with the 'normal way'. It is a 'classical jvm'. If you want to distribute
> your files (across your nodes), you should look at DistributedCache.
> On Sun, Aug 12, 2012 at 12:09 AM, Jay Vyas <[hidden email]<http://user/SendEmail.jtp?type=node&node=4000625&i=0>>
> > Hi guys: I'm trying to find documentation on how "hadoop jar" actually
> > works i.e. how it copies/runs the jar file across the cluster, in order
> > debug a jar issue.
> > 1) Where can I get a good explanation of how the hadoop commands (i.e.
> > -jar) are implemented ?
> > 2) Specifically, Im trying to access a bundled text file from a jar :
> > class.getResource("myfile.txt")
> > from inside a mapreduce job.... Is it okay to do this ? Or does a
> > ability to aquire local resources change in the mapper/reducer JVMs ?
> > --
> > Jay Vyas
> > MMSB/UCHC
> Bertrand Dechoux
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THANKS AND REGARDS,
SYED ABDUL KATHER
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