Mehmet Nacar CGL Reports

Wednesday, January 24, 2007

Progress Report January 24th

Condor DAGMan

Condor 6.8.3 package is installed on a local Linux box for testing jobs on Condor-G scheduler. Birdbath is part of Condor package and it Web services interface. This Condor machine is configuring to work with web services clients.

DAGMan is Condor workflow mechanism. Its features are very similar to Java Cog Taskgraph, mostly intended to provide multi-staged and batch job submissions. Condor jobs work with input files which are configuration of the job parameters. Similar to Java Cog ‘multitask’, GTLAB tags is extended with Condor DAGman tags.

condorDagman
condorSubmit

TACC Condor portlets are an example implementation of Condor Java clients. However, there is no DAGMan API exist with it. We’re using BirdBath that provides Grid services for Condor. So Web services client stub enables us to generate Java client proxies to use as Condor beans.


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