Cleanup kann keine pending Joblogs aufräumen (mal einen Featurerequest abgeben?).
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Hier steht, im Abschnitt

Job Log Pending

WRKJOBLOG PERIOD((*AVAIL *BEGIN)) will show all pending joblogs. Joblogs are sent to pend status based on the LOGOUTPUT parameter in the Job Description. These jobs are eligible for Cleanup routine, so if they are building up, either Cleanup is not running (see the OutQ section above) or they are being created/ended at a very rapid pace. If they are being created/ended, contact proper support for the job (user support for user jobs or the Support Center team for IBM jobs).

Ich interpetiere, das Cleanup die aufräumt