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https://issues.apache.org/jira/browse/PIG-940?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12750040#action_12750040
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Koji Noguchi commented on PIG-940:
----------------------------------

bq. Is this supported in hadoop ? 
Sure.

> Cross site HDFS access using the default.fs.name not possible in Pig
> --------------------------------------------------------------------
>
>                 Key: PIG-940
>                 URL: https://issues.apache.org/jira/browse/PIG-940
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.3.0
>         Environment: Hadoop 20
>            Reporter: Viraj Bhat
>             Fix For: 0.3.0
>
>
> I have a script which does the following.. access data from a remote HDFS 
> location (via a HDFS installed at:hdfs://remotemachine1.company.com/ ) [[as I 
> do not want to copy this huge amount of data between HDFS locations]].
> However I want my Pigscript  to write data to the HDFS running on 
> localmachine.company.com.
> Currently Pig does not support that behavior and complains that: 
> "hdfs://localmachine.company.com/user/viraj/A1.txt does not exist"
> {code}
> A = LOAD 'hdfs://remotemachine1.company.com/user/viraj/A1.txt' as (a, b); 
> B = LOAD 'hdfs://remotemachine1.company.com/user/viraj/B1.txt' as (c, d); 
> C = JOIN A by a, B by c; 
> store C into 'output' using PigStorage();  
> {code}
> =======================================================================================================================================
> 2009-09-01 00:37:24,032 [main] INFO  
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting 
> to hadoop file system at: hdfs://localmachine.company.com:8020
> 2009-09-01 00:37:24,277 [main] INFO  
> org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - Connecting 
> to map-reduce job tracker at: localmachine.company.com:50300
> 2009-09-01 00:37:24,567 [main] INFO  
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MRCompiler$LastInputStreamingOptimizer
>  - Rewrite: POPackage->POForEach to POJoinPackage
> 2009-09-01 00:37:24,573 [main] INFO  
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MultiQueryOptimizer
>  - MR plan size before optimization: 1
> 2009-09-01 00:37:24,573 [main] INFO  
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MultiQueryOptimizer
>  - MR plan size after optimization: 1
> 2009-09-01 00:37:26,197 [main] INFO  
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.JobControlCompiler
>  - Setting up single store job
> 2009-09-01 00:37:26,249 [Thread-9] WARN  org.apache.hadoop.mapred.JobClient - 
> Use GenericOptionsParser for parsing the arguments. Applications should 
> implement Tool for the same.
> 2009-09-01 00:37:26,746 [main] INFO  
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
>  - 0% complete
> 2009-09-01 00:37:26,746 [main] INFO  
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
>  - 100% complete
> 2009-09-01 00:37:26,747 [main] ERROR 
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
>  - 1 map reduce job(s) failed!
> 2009-09-01 00:37:26,756 [main] ERROR 
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
>  - Failed to produce result in: 
> "hdfs:/localmachine.company.com/tmp/temp-1470407685/tmp-510854480"
> 2009-09-01 00:37:26,756 [main] INFO  
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher
>  - Failed!
> 2009-09-01 00:37:26,758 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 
> 2100: hdfs://localmachine.company.com/user/viraj/A1.txt does not exist.
> Details at logfile: /home/viraj/pigscripts/pig_1251765443851.log
> =======================================================================================================================================
> The error file in Pig contains:
> =======================================================================================================================================
> ERROR 2998: Unhandled internal error. 
> org.apache.pig.backend.executionengine.ExecException: ERROR 2100: 
> hdfs://localmachine.company.com/user/viraj/A1.txt does not exist.
>         at 
> org.apache.pig.backend.executionengine.PigSlicer.validate(PigSlicer.java:126)
>         at 
> org.apache.pig.impl.io.ValidatingInputFileSpec.validate(ValidatingInputFileSpec.java:59)
>         at 
> org.apache.pig.impl.io.ValidatingInputFileSpec.<init>(ValidatingInputFileSpec.java:44)
>         at 
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.getSplits(PigInputFormat.java:228)
>         at 
> org.apache.hadoop.mapred.JobClient.writeOldSplits(JobClient.java:810)
>         at 
> org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:781)
>         at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:730)
>         at org.apache.hadoop.mapred.jobcontrol.Job.submit(Job.java:378)
>         at 
> org.apache.hadoop.mapred.jobcontrol.JobControl.startReadyJobs(JobControl.java:247)
>         at 
> org.apache.hadoop.mapred.jobcontrol.JobControl.run(JobControl.java:279)
>         at java.lang.Thread.run(Thread.java:619)
> java.lang.Exception: org.apache.pig.backend.executionengine.ExecException: 
> ERROR 2100: hdfs://localmachine.company.com/user/viraj/A1.txt does not exist.
>         at 
> org.apache.pig.backend.executionengine.PigSlicer.validate(PigSlicer.java:126)
>         at 
> org.apache.pig.impl.io.ValidatingInputFileSpec.validate(ValidatingInputFileSpec.java:59)
>         at 
> org.apache.pig.impl.io.ValidatingInputFileSpec.<init>(ValidatingInputFileSpec.java:44)
>         at 
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigInputFormat.getSplits(PigInputFormat.java:228)
>         at 
> org.apache.hadoop.mapred.JobClient.writeOldSplits(JobClient.java:810)
>         at 
> org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:781)
>         at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:730)
>         at org.apache.hadoop.mapred.jobcontrol.Job.submit(Job.java:378)
>         at 
> org.apache.hadoop.mapred.jobcontrol.JobControl.startReadyJobs(JobControl.java:247)
>         at 
> org.apache.hadoop.mapred.jobcontrol.JobControl.run(JobControl.java:279)
>         at java.lang.Thread.run(Thread.java:619)
> =======================================================================================================================================

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