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When submitting jobs to remote sites the Pipeline II server still runs a single instance at SLAC. Batch jobs are submitted (at SLAC or elsewhere) using a simple batch submission daemon which is designed to hide the details of the batch submission process from the Pipeline II server. When jobs start they send an initial e-mail back to the pipeline server, and when they complete they send an a second e-mail stating that they have finished (successfully or not). A data catalog is maintained at SLAC which can contain information on data available at SLAC or elsewhere. Batch jobs to do not communicate directly with the database or with the pipeline II server.
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