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I believe the date/time can limit a search; a quick test seems to support that. So to limit a job name search, optionally pre-search the history for the job [start &] stop time, and limit the search of the receiver data by at least the job end date/time, using TOTIME() to prevent the DSPJRN from searching past what would obviously be the last possible entry from that job. Of course the same scanning issue exists for the DSPLOG, but hopefully for fewer entries; e.g. only 65K -- QHSTLOGSIZ should IMO be set to the max on all systems.
If multiple searches will be made, but either a full copy of the ENTDTA is not desired or only of interest in an actual DSPJRN, then an OUTFILE of the DSPJRN minimizing the Entry Data Length could be used to lookup start and end sequence numbers to be used on the DSPJRN. Maybe better, to find/use start and end times, since my quick test did not seem to show good benefits for sequence numbers as compared to time. Optionally having indexed the common lookup fields to make that search even faster, but at least SETOBJACC and parallel scan is available for database files.

Regards, Chuck

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