DSXchange

Are all the jobs involved actually marked and compiled as multi-instance jobs?

Yes, all the jobs are marked as multi-instance jobs.

ArndW wrote:Are all the jobs involved actually marked and compiled as multi-instance jobs? ...

This is possible contention on the job log. There is a single-threaded process that generates the next log key number. How many instances are you running concurrently? Keep in mind that parallel jobs have many more processes than equivalent server jobs, and so will typically have rather more events to be logged.