Thank you, Moritz!I installed your packages on September 15. Since then, transmission behaves fine again. See munin-graph attached.
If this sample - five days on one machine from one user - is big enough to be significant, i don't know.
Best Moritz Mühlenhoff:
Can you please test the updated packages at https://people.debian.org/~jmm/
-- ilf If you upload your address book to "the cloud", I don't want to be in it.