Some encyclopedia functions that are long running and have a tendency to cause DB2 contention on the encyclopedia tables are best scheduled to run in a single stream mode during non-peak processing hours. Setting up a time period for single stream batch jobs several nights a week can reduce the coordination of getting these jobs done. You can single stream jobs by using a common job name or by setting up a special job class with a single initiator. If you change the locksize on the encyclopedia tables during the period of single streaming from ANY to TABLESPACE, you can additionally increase the throughput of processes such as model copies and model deletes. A job to alter the tablespaces back to a locksize of ANY is needed before normal jobs can begin to process.
Most downloads can be planned. Encyclopedia users can take advantage on non-peak processing charges and decrease the failure rate due to contention by submitting downloads to run overnight. Encyclopedia administrators can set aside time periods during the night just for downloads. Each model can be associated with a jobname and all downloads for that model can be submitted to run under that job name during the time period.
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