Thanks for the docs here Brian!

Cheers,
Chris

On Jul 20, 2012, at 1:35 PM, Brian Foster wrote:

> Hey Ricky,
> 
> You can just NFS mount the files to all resource manager nodes like you 
> mentioned or you can use cas-pge's filestaging support to stage the files 
> locally using the filemgr... see <fileStagine> element in this file:
> https://svn.apache.org/repos/asf/oodt/trunk/pge/src/main/testdata/pge-config.xml
> 
> it will stage all the files in the given metadata fields to the given dir and 
> will update the metadata fields provided with the new location of the files. 
> For example in that given pge-config.xml file if:
> 
> InputFiles = /path/to/product.one,/path/to/product.two
> 
> And you have the following configuration (note: force just says that if the 
> files is already staged there, stage it again):
>   <fileStaging dir="/my/pge/workspace/input" force="true">
>     <stageFiles metadataKey="InputFiles" />
>   </fileStaging>
> 
> Then the files would be staged to /my/pge/workspace/input and InputFiles 
> would now be:
> 
> InputFiles = 
> /my/pge/workspace/input/product.one,/my/pge/workspace/input/product.two
> 
> -brian
> 
> 
> On Jul 20, 2012, at 09:35 AM, "Nguyen, Ricky" <[email protected]> wrote:
> 
>> Hi folks,
>> 
>> I was thinking of using Resource Manager to execute my PGE tasks on various 
>> worker nodes (batch stubs) in hopes of improving the run time of my 
>> workflows. So my first question is, how will a batch stub obtain files from 
>> the File Manager? I'm only familiar with the local use case: PGE (without 
>> resmgr) will just use "$FileLocation/$Filename" returned by filemgr to 
>> access the file locally. My guess is that all the nodes should mount the 
>> filemgr archive dir at the same NFS location (as in 
>> https://cwiki.apache.org/OODT/getting-products-from-a-remote-filemanager.html).
>>  Or does the PushPull component have a role here?
>> 
>> Thanks,
>> Ricky
>> 
>> 
>> ---------------------------------------------------------------------
>> CONFIDENTIALITY NOTICE: This e-mail message, including any attachments, 
>> is for the sole use of the intended recipient(s) and may contain confidential
>> or legally privileged information. Any unauthorized review, use, disclosure
>> or distribution is prohibited. If you are not the intended recipient, please
>> contact the sender by reply e-mail and destroy all copies of this original 
>> message. 
>> 
>> ---------------------------------------------------------------------
>> 


++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Chris Mattmann, Ph.D.
Senior Computer Scientist
NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
Office: 171-266B, Mailstop: 171-246
Email: [email protected]
WWW:   http://sunset.usc.edu/~mattmann/
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Adjunct Assistant Professor, Computer Science Department
University of Southern California, Los Angeles, CA 90089 USA
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Reply via email to