Hi,
I just re-viewed this post and wanted to give an update.
Since the 1.3.x branch of the TA-nmon, this is issue cannot happen anymore.
Due to the changes I have done in the way the TA starts nmon binaries, in the worst case and if the current process does not end, the metric collection will stop and no new process can be started as long as the current process has not been terminated.
It does solve the root issue which is that the topas-nmon in some rare and weird cases do not terminate as it should, but at least the TA-nmon will have no effect of any kind on the server.
Kind regards,
Guilhem
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