Re: OODT 0.3 branch

2012-12-14 Thread Mistry, Chintu (GSFC-586.0)[COLUMBUS TECHNOLOGIES AND SERVICES INC]
Thank you for example. In our case, the file size can vary from 10K to 200MB. About 12000 files make up of 262GB data. We are using IBM GPFS for our storage, which is suppose to be faster for this kind of activity. The parallel performance that we are seeing in our test case is far from isolat

passing objects between tasks / workflows

2012-12-14 Thread Lindsey Davis
Hello, I work on the NRAO ALMA pipeline software. I have recently begun developing some prototype OODT workflows for use in the production pipeline. I would like to be able to pass an object between workflows and tasks. The object is modest in size, serializable in the Java sense, and can be en

Re: OODT 0.3 branch

2012-12-14 Thread Mattmann, Chris A (388J)
Hey Chintu, Thanks much. One thing you could try to use to speed up as well would be to: 1. Subclass, or roll your own LocalDataTransfer class -- call it MoveBasedLocalDataTransfer 2. Replace the class in that class from using FileUtils.copyFile or FileUtils.moveFile to calls to ExecHelper.execut

Re: passing objects between tasks / workflows

2012-12-14 Thread Mattmann, Chris A (388J)
Hey Lindsey, Thanks for your email! Some comments below: On 12/14/12 7:26 AM, "Lindsey Davis" wrote: >Hello, > >I work on the NRAO ALMA pipeline software. I have recently begun >developing >some prototype OODT workflows for use in the production pipeline. Great to hear! > >I would like to be