CS-1: Job Description Languages and Dictionaries

Each experiment Grid data handling system includes Job Description and Resource Management mechanisms to support co-scheduling and co-management of data processing and delivery. In the spirit of PPDG we will work to leverage common and/or reusable  job description and resource management languages and interfaces both at the User level and the underlying Middleware service layer.

PPDG Job scheduling is through GRAM using RLS as the resource management language.  Most experiments use Condor-G as the grid job scheduler and ClassADs as the management language. The European Data Grid WP1 also uses ClassAds and Condor-G in this role. 

Data and Job placement and execution dependencies are expressed through DAGs. 

Portals are the preferred end user method for interfacing to Job Services. All experiments in addition require command line interfaces to the system to support automation, application interfaces, diagnostics etc.

Information Links:

ppdg-jdl@ppdg.net