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From "Mattmann, Chris A (388J)" <chris.a.mattm...@jpl.nasa.gov>
Subject [DISCUSS] Workflow2 Architecture
Date Sun, 19 Jun 2011 03:43:57 GMT
Hi Guys,

I'd like to draw your attention to OODT-215 [1]. In case you haven't noticed the spam from
JIRA, I input a ton of issues related to this (and a couple other workflow related bugs/etc.)
from JPL's internal issue tracking system that existed before the Apache move. I will also
be flushing our other 95+ issues that we had open internally over here to Apache in the next
day or so so that others can pick up a shovel and help out. That will wrap up our internal
JIRA issues and everything will be entirely over here at Apache then. 

The Workflow2 architecture stuff is something that Brian Foster, Paul Ramirez, David Woollard
and I have been leading for a while. Paul and I originally were talking about it at JPL, and
then Dave and Brian worked on it while they were both JPL employees (before Goog and Project
WBS nabbed them up ^_^). Anyways, they'll recognize a bunch of the issues I'm sure.

To not disrupt too much of the work going on in trunk, while Brian was at JPL, I had him work
on a branch to evaluate the Workflow2 efforts he was doing for his NPP PEATE project. He's
made a ton of progress and the system is actually now being used operationally.

The existing branch though needs some massaging to fit into the trunk workflow architecture.
This has been on m plate at JPL for a while, but I'm going to make a concerted effort for
0.4 to forward port the branch improvements to the trunk. OODT-215 [1] represents my understanding
of what is required to do that. 

Just wanted to give you all a heads up. BTW, since i'm planning on working on 0.4 a ton, I'll
volunteer to RM it.


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

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