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Job Description Language

The Job Description Language (JDL) is a high-level, user-oriented language based on Condor classified advertisements (classads) for describing jobs and aggregates of jobs such as Direct Acyclic Graphs (DAGs), Collections and Parametrics.

Being the JDL an extensible language the user is allowed to use whatever attribute for the description of a request without incurring in errors from the JDL parser. However, only a certain set of attributes, that we will refer as "supported attributes" from now on, is taken into account by the Workload Management System (WMS) components in order to schedule and submit a job or the jobs of a complex request.

JDL attributes represent request-specific information and specify in some way actions that have to be performed by the WMS to schedule the job or the jobs of a complex request.

Some of the attributes in the JDL are mandatory. If the user does not specify them, the WMS cannot handle the request. For the other attributes the system may find a default value if they are necessary for processing the request.

For more details please refer to the JDL attributes specification document.

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-- MassimoSgaravatto - 2010-11-29

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Topic revision: r1 - 2010-11-29 - MassimoSgaravatto
 
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