Dag Man Design Docs

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Here are the areas that should be documented (see gittrac #2815). I re-ordered them somewhat to make the list more logical in terms of related functionality.

• Condor_submit_dag/scheduler universe startup
• DAG file parsing
• Rescue DAG/condor_rm of DAGMan
• Recovery mode/condor_hold/condor_release
• Proper ordering of jobs/scripts (ready queue, etc.)
• implementation of PRE/POST script semantics
• Reading the user logs
• deciding when the DAG is finished
• ABORT-DAG-ON
• final node
• Node variables
• Nested DAGs
• Multiple disjoint DAGs
• Splices
• Node retries
• submit retries
• DAG-wide throttles (maxjobs, maxidle, maxpre, maxpost)
• category throttles
• depth-first DAG traversal
• Node priorities
• Halt file
• NOOP nodes (at DAG level)
• multi-job clusters
• strict warnings
• DIR on nodes
• node status file
• jobstate.log file
• dot file
• Stork support
• Miscellaneous notes

This work is supported by NSF under Cooperative Agreement OAC-2030508 as part of the PATh Project. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the NSF. Site built using CVSTrac.