> I'm posting on ceph-devel because I didn't get any feedback on > ceph-users. This is an act of desperation… I keep thinking “I’ll catch up on ceph-users tomorrow”, then I realize that at the moment I have 208 digests in my inbox. I muse at times that a different format or division might address the volume, but have yet to come up with a strategy that doesn’t cause at least as many problems as it solves. Enforcing a strict limit on message size might do wonders. That said ... > TL;DR: Cluster runs good with Kernel 4.13, produces slow_requests with > Kernel 4.15. How to debug? This is something of a longshot, but is it possible that your 4.13 kernel tree has updated vendor drivers overlaid, but your 4.15 tree doesn’t?
