QRYDEGREE Setting
If the SMP feature is on your machine, set the system value QRYDEGREE to *OPTIMIZE. Include a CHGQRYA DEGREE(*MAX) in the calling CL program within the jobs that update/add/delete files to let your system use as many DBL3 jobs as possible. However, use CHGQRYA DEGREE (*OPTIMIZE) in jobs that run SQL, OPNQRYF, or AS/400 Query. (Jobs that have the QRYDEGREE system value set to *OPTIMIZE don’t need to include a CL command.) *OPTIMIZE tells the system to use some of the DBL3 tasks but to not fill the system with them.
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